76 pubblicazioni classificate nel seguente modo:

One-Dimensional Failure Modes for Bodies with Non-convex Plastic Energies
JOURNAL OF ELASTICITY
Autore/i: Del Piero, G; Lancioni, G; March, R
Classificazione: 1 Contributo su Rivista
Abstract: In this paper, a complete picture of the different plastic failure modes that can be predicted by the strain gradient plasticity model proposed in Del Piero et al. (J. Mech. Mater. Struct. 8:109-151, 2013) is drawn. The evolution problem of the elasto-plastic strain is formulated in Del Piero et al. (J. Mech. Mater. Struct. 8:109-151, 2013) as an incremental minimization problem acting on an energy functional which includes a local plastic term and a non-local gradient contribution. Here, an approximate analytical solution of the evolution problem is determined in the one-dimensional case of a tensile bar. Different solutions are found describing specific plastic strain processes, and correlations between the different evolution modes and the convexity/concavity properties of the plastic energy density are established. The variety of solutions demonstrates the large versatility of the model in describing many failure mechanisms, ranging from brittle to ductile. Indeed, for a convex plastic energy, the plastic strain diffuses in the body, while, for a concave plastic energy, it localizes in regions whose amplitude depends on the internal length parameter included into the non-local energy term, and, depending on the convexity properties of the first derivative of the plastic energy, the localization band expands or contracts. Complex failure processes combining different modes can be reproduced by assuming plastic energy functionals with specific convex and concave branches. The quasi-brittle failure of geomaterials in simple tension tests was reproduced by assuming a convex-concave plastic energy, and the accuracy of the analytical predictions was checked by comparing them with the numerical results of finite element simulations.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/312587

An Ogden-like formulation incorporating phase-field fracture in elastomers: From brittle to pseudo-ductile failures
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A: MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Autore/i: Ciambella, J.; Lancioni, G.; Stortini, N.
Classificazione: 1 Contributo su Rivista
Abstract: Over the past 50 years the Ogden model has been widely used in material modelling owing to its ability to match accurately the experimental data on elastomers at large strain, as well as its mathematical properties, such as polyconvexity. In this paper, these characteristics are exploited to formulate a finite-strain model that incorporates, through the phase-field approach recently proposed by Wu (Wu 2017 J. Mech. Phys. Solids 103, 72-99) for small strains, a cohesive damage mechanism which leads to the progressive degradation of the material stiffness and to failure under tension. By properly tailoring the constitutive parameters, the model is capable of encompassing a wide range of effects, from brittle to pseudo-ductile failure modes. A plane stress problem is formulated to test the model against experiments on double-network elastomers, which display a pseudo-ductile damage behaviour at large strain, and on conventional rubber compounds with brittle failure. The results show that the proposed model is applicable to fracture coalescence and propagation in a wide range of materials. This article is part of the theme issue 'The Ogden model of rubber mechanics: Fifty years of impact on nonlinear elasticity'.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/308282

Flexural Behaviour of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) Under Monotonic Loads and Loading-Unloading Cycles
Flexural Behaviour of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) Under Monotonic Loads and Loading-Unloading Cycles
Autore/i: Generosi, Nicola; Donnini, Jacopo; Lancioni, Giovanni; Corinaldesi, Valeria
Editore: Springer Science and Business Media B.V.
Classificazione: 2 Contributo in Volume
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/306308

The potential of $Lambda$ and $Chi^{-}$ studies with PANDA at FAIR
THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI
Autore/i: Barucca, G.; Davi', F.; Lancioni, G.; Mengucci, P.; Montalto, L.; Natali, P. P.; Paone, N.; Rinaldi, D.; Scalise, L.; Erni, W.; Krusche, B.; Steinacher, M.; Walford, N.; Cao, N.; Liu, Z.; Liu, C.; Liu, B.; Shen, X.; Sun, S.; Tao, J.; Xiong, X. A.; Zhao, G.; Zhao, J.; Albrecht, M.; Alkakhi, W.; Bökelmann, S.; Feldbauer, F.; Fink, M.; Frech, J.; Freudenreich, V.; Fritsch, M.; Hagdorn, R.; Heinsius, F. H.; Held, T.; Holtmann, T.; Keshk, I.; Koch, H.; Kopf, B.; Kuhlmann, M.; Kümmel, M.; Küßner, M.; Li, J.; Mustafa, A.; Pelizäus, M.; Pitka, A.; Reher, J.; Reicherz, G.; Richter, M.; Schnier, C.; Sohl, L.; Steinke, M.; Triffterer, T.; Wenzel, C.; Wiedner, U.; Denizli, H.; Er, N.; Beck, R.; Hammann, C.; Hartmann, J.; Ketzer, B.; Müllers, J.; Rossbach, M.; Salisbury, B.; Schmidt, C.; Thoma, U.; Urban, M.; Bianconi, A.; Bragadireanu, M.; Pantea, D.; Domagala, M.; Filo, G.; Lisowski, E.; Lisowski, F.; Michałek, M.; Poznański, P.; Płażek, J.; Korcyl, K.; Kozela, A.; Lebiedowicz, P.; Pysz, K.; Schäfer, W.; Szczurek, A.; Fiutowski, T.; Idzik, M.; Swientek, K.; Terlecki, P.; Korcyl, G.; Lalik, R.; Malige, A.; Moskal, P.; Nowakowski, K.; Przygoda, W.; Rathod, N.; Rudy, Z.; Salabura, P.; Smyrski, J.; Augustin, I.; Böhm, R.; Lehmann, I.; Schmitt, L.; Varentsov, V.; Al-Turany, M.; Belias, A.; Deppe, H.; Dzhygadlo, R.; Flemming, H.; Gerhardt, A.; Götzen, K.; Heinz, A.; Jiang, P.; Karabowicz, R.; Koch, S.; Kurilla, U.; Lehmann, D.; Lühning, J.; Lynen, U.; Orth, H.; Peters, K.; Rieger, J.; Saito, T.; Schepers, G.; Schmidt, C. J.; Schwarz, C.; Schwiening, J.; Täschner, A.; Traxler, M.; Voss, B.; Wieczorek, P.; Abazov, V.; Alexeev, G.; Arefiev, V. A.; Astakhov, V.; Barabanov, M. Yu.; Batyunya, B. V.; Dodokhov, V. Kh.; Efremov, A.; Fechtchenko, A.; Galoyan, A.; Golovanov, G.; Koshurnikov, E. K.; Lobanov, Y. Yu.; Olshevskiy, A. G.; Piskun, A. A.; Samartsev, A.; Shimanski, S.; Skachkov, N. B.; Skachkova, A. N.; Strokovsky, E. A.; Tokmenin, V.; Uzhinsky, V.; Verkheev, A.; Vodopianov, A.; Zhuravlev, N. I.; Branford, D.; Watts, D.; Böhm, M.; Eyrich, W.; Lehmann, A.; Miehling, D.; Pfaffinger, M.; Quin, N.; Robison, L.; Seth, K.; Xiao, T.; Bettoni, D.; Ali, A.; Hamdi, A.; Himmelreich, M.; Krebs, M.; Nakhoul, S.; Nerling, F.; Belousov, A.; Kisel, I.; Kozlov, G.; Pugach, M.; Zyzak, M.; Bianchi, N.; Gianotti, P.; Lucherini, V.; Bracco, G.; Bettner, Y.; Bodenschatz, S.; Brinkmann, K. T.; Brück, L.; Diehl, S.; Dormenev, V.; Düren, M.; Erlen, T.; Föhl, K.; Hahn, C.; Hayrapetyan, A.; Hofmann, J.; Kegel, S.; Kesselkaul, M.; Köseoglu, I.; Kripko, A.; Kühn, W.; Lange, J. S.; Metag, V.; Moritz, M.; Nanova, M.; Novotny, R.; Orsich, P.; Pereira-de-Lira, J.; Peter, M.; Sachs, M.; Schmidt, M.; Schubert, R.; Stenzel, H.; Straube, M.; Strickert, M.; Thöring, U.; Wasem, T.; Wohlfahrt, B.; Zaunick, H. G.; Tomasi-Gustafsson, E.; Glazier, D.; Ireland, D.; Seitz, B.; Deepak, P. N.; Kulkarni, A.; Kappert, R.; Kavatsyuk, M.; Loehner, H.; Messchendorp, J.; Rodin, V.; Schakel, P.; Vejdani, S.; Dutta, K.; Kalita, K.; Huang, G.; Liu, D.; Peng, H.; Qi, H.; Sun, Y.; Zhou, X.; Kunze, M.; Azizi, K.; Derichs, A.; Dosdall, R.; Esmail, W.; Gillitzer, A.; Goldenbaum, F.; Grunwald, D.; Jokhovets, L.; Kannika, J.; Kulessa, P.; Orfanitski, S.; Pérez Andrade, G.; Prasuhn, D.; Prencipe, E.; Pütz, J.; Ritman, J.; Rosenthal, E.; Schadmand, S.; Schmitz, R.; Scholl, A.; Sefzick, T.; Serdyuk, V.; Stockmanns, T.; Veretennikov, D.; Wintz, P.; Wüstner, P.; Xu, H.; Zhou, Y.; Cao, X.; Hu, Q.; Li, Z.; Li, H.; Liang, Y.; Ma, X.; Rigato, V.; Isaksson, L.; Achenbach, P.; Aycock, A.; Corell, O.; Denig, A.; Distler, M.; Hoek, M.; Lauth, W.; Leithoff, H. H.; Liu, Z.; Merkel, H.; Müller, U.; Pochodzalla, J.; Schlimme, S.; Sfienti, C.; Thiel, M.; Zambrana, M.; Ahmed, S.; Bleser, S.; Bölting, M.; Capozza, L.; Dbeyssi, A.; Ehret, A.; Grasemann, P.; Klasen, R.; Kliemt, R.; Maas, F.; Maldaner, S.; Morales Morales, C.; Motzko, C.; Noll, O.; Pflüger, S.; Rodríguez Piñeiro, D.; Schupp, F.; Steinen, M.; Wolff, S.; Zimmermann, I.; Fedorov, A.; Kazlou, D.; Korzhik, M.; Missevitch, O.; Balashoff, A.; Boukharov, A.; Malyshev, O.; Balanutsa, P.; Chernetsky, V.; Demekhin, A.; Dolgolenko, A.; Fedorets, P.; Gerasimov, A.; Golubev, A.; Goryachev, V.; Kantsyrev, A.; Kirin, D. Y.; Kristi, N.; Ladygina, E.; Luschevskaya, E.; Matveev, V. A.; Panjushkin, V.; Stavinskiy, A. V.; Basant, K. N.; Kumawat, H.; Roy, B.; Saxena, A.; Yogesh, S.; Bonaventura, D.; Brand, P.; Fritzsch, C.; Grieser, S.; Hargens, C.; Hergemöller, A. K.; Hetz, B.; Hüsken, N.; Kellers, J.; Khoukaz, A.; Bumrungkoh, D.; Herold, C.; Khosonthongkee, K.; Kobdaj, C.; Limphirat, A.; Manasatitpong, K.; Nasawad, T.; Pongampai, S.; Simantathammakul, T.; Srisawad, P.; Wongprachanukul, N.; Yan, Y.; Yu, C.; Zhang, X.; Zhu, W.; Blinov, A. E.; Kononov, S.; Kravchenko, E. A.; Antokhin, E.; Barnyakov, A. Yu.; Beloborodov, K.; Blinov, V. E.; Kuyanov, I. A.; Pivovarov, S.; Pyata, E.; Tikhonov, Y.; Kunne, R.; Ramstein, B.; Hunter, G.; Lattery, M.; Pace, H.; Boca, G.; Duda, D.; Finger, M.; Finger Jr., M.; Kveton, A.; Pesek, M.; Peskova, M.; Prochazka, I.; Slunecka, M.; Volf, M.; Gallus, P.; Jary, V.; Korchak, O.; Marcisovsky, M.; Neue, G.; Novy, J.; Tomasek, L.; Tomasek, M.; Virius, M.; Vrba, V.; Abramov, V.; Bukreeva, S.; Chernichenko, S.; Derevschikov, A.; Ferapontov, V.; Goncharenko, Y.; Levin, A.; Maslova, E.; Melnik, Y.; Meschanin, A.; Minaev, N.; Mochalov, V.; Moiseev, V.; Morozov, D.; Nogach, L.; Poslavskiy, S.; Ryazantsev, A.; Ryzhikov, S.; Semenov, P.; Shein, I.; Uzunian, A.; Vasiliev, A.; Yakutin, A.; Roy, U.; Yabsley, B.; Belostotski, S.; Fedotov, G.; Gavrilov, G.; Izotov, A.; Manaenkov, S.; Miklukho, O.; Zhdanov, A.; Atac, A.; Bäck, T.; Cederwall, B.; Makonyi, K.; Preston, M.; Tegner, P. E.; Wölbing, D.; Gandhi, K.; Rai, A. K.; Godre, S.; Crede, V.; Dobbs, S.; Eugenio, P.; Lersch, D.; Calvo, D.; De Remigis, P.; Filippi, A.; Mazza, G.; Rivetti, A.; Wheadon, R.; Bussa, M. P.; Spataro, S.; Iazzi, F.; Lavagno, A.; Martin, A.; Akram, A.; Calen, H.; Ikegami Andersson, W.; Johansson, T.; Kupsc, A.; Marciniewski, P.; Papenbrock, M.; Regina, J.; Schönning, K.; Wolke, M.; Diaz, J.; Pothodi Chackara, V.; Chlopik, A.; Kesik, G.; Melnychuk, D.; Tarasiuk, J.; Wojciechowski, M.; Wronka, S.; Zwieglinski, B.; Amsler, C.; Bühler, P.; Kratochwil, N.; Marton, J.; Nalti, W.; Steinschaden, D.; Widmann, E.; Zimmermann, S.; Zmeskal, J.
Classificazione: 1 Contributo su Rivista
Abstract: The antiproton experiment PANDA at FAIR is designed to bring hadron physics to a new level in terms of scope, precision and accuracy. In this work, its unique capability for studies of hyperons is outlined. We discuss ground-state hyperons as diagnostic tools to study non-perturbative aspects of the strong interaction, and fundamental symmetries. New simulation studies have been carried out for two benchmark hyperon-antihyperon production channels: ¯→¯ and ¯→¯+−. The results, presented in detail in this paper, show that hyperon-antihyperon pairs from these reactions can be exclusively reconstructed with high efficiency and very low background contamination. In addition, the polarisation and spin correlations have been studied, exploiting the weak, self-analysing decay of hyperons and antihyperons. Two independent approaches to the finite efficiency have been applied and evaluated: one standard multidimensional efficiency correction approach, and one efficiency independent approach. The applicability of the latter was thoroughly evaluated for all channels, beam momenta and observables. The standard method yields good results in all cases, and shows that spin observables can be studied with high precision and accuracy already in the first phase of data taking with PANDA.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/289960

Feasibility studies for the measurement of time-like proton electromagnetic form factors from ¯p p → μ + μ − at PANDA at FAIR
THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI
Autore/i: Barucca, Gianni; Davi', F.; Lancioni, G.; Mengucci, P.; Montalto, L.; Natali, P. P.; Paone, N.; Rinaldi, D.; Scalise, L.; Erni, W.; Krusche, B.; Steinacher, M.; Walford, N.; Cao, N.; Liu, Z.; Liu, C.; Liu, B.; Shen, X.; Sun, S.; Tao, J.; Xiong, X. A.; Zhao, G.; Zhao, J.; Albrecht, M.; Alkakhi, W.; Bökelmann, S.; Coen, S.; Feldbauer, F.; Fink, M.; Frech, J.; Freudenreich, V.;   , ; M. Fritsch,   ; J. Grochowski,   ; R. Hagdorn,   ; F. H. Heinsius,   ; T. Held,   ; T. Holtmann,   ; I. Keshk,   ; H. Koch,   ; B. Kopf,   ; M. Kuhlmann,   ; M. Kümmel,   ; M. Küßner,   ; J. Li,   ; L. Linzen,   ; S. Maldaner,   ; J. Oppotsch,   ; S. Pankonin,   ; M. Pelizäus,   ; S. Pflüger,   ; A. Pitka,   ; J. Reher,   ; G. Reicherz,   ; C. Schnier,   ; M. Steinke,   ; T. Triffterer,   ; C. Wenzel,   ; Wiedner, U.; Denizli, H.;   , ; N. Er,   ; U. Keskin,   ; A. T. Olgun,   ; Yerlikaya, S.; Yilmaz, A.; Beck, R.;   , ; C. Hammann,   ; J. Hartmann,   ; B. Ketzer,   ; J. Müllers,   ; M. Rossbach,   ; B. Salisbury,   ; C. Schmidt,   ; U. Thoma,   ; Urban, M.; Bianconi, A.; Bragadireanu, M.; Pantea, D.; Domagala, M.;   , ; G. Filo,   ; E. Lisowski,   ; F. Lisowski,   ; M. Michałek,   ; Poznański, P.; Płażek, J.; Korcyl, K.;   , ; A. Kozela,   ; P. Lebiedowicz,   ; K. Pysz,   ; W. Schäfer,   ; Szczurek, A.; Firlej, M.;   , ; T. Fiutowski,   ; M. Idzik,   ; J. Moron,   ; Swientek, K.; Terlecki, P.; Korcyl, G.;   , ; R. Lalik,   ; A. Malige,   ; P. Moskal,   ; K. Nowakowski,   ; W. Przygoda,   ; N. Rathod,   ; Z. Rudy,   ; Salabura, P.; Smyrski, J.; Augustin, I.;   , ; R. Böhm,   ; I. Lehmann,   ; Schmitt, L.; Varentsov, V.; Al-Turany, M.;   , ; A. Belias,   ; H. Deppe,   ; R. Dzhygadlo,   ; H. Flemming,   ; A. Gerhardt,   ; K. Götzen,   ; A. Heinz,   ; P. Jiang,   ; R. Karabowicz,   ; S. Koch,   ; U. Kurilla,   ; D. Lehmann,   ; J. Lühning,   ; U. Lynen,   ; H. Orth,   ; K. Peters,   ; T. Saito,   ; G. Schepers,   ; C. J. Schmidt,   ; C. Schwarz,   ; J. Schwiening,   ; A. Täschner,   ; M. Traxler,   ; Voss, B.; Wieczorek, P.; Abazov, V.;   , ; G. Alexeev,   ; V. A. Arefiev,   ; V. Astakhov,   ; M. Yu. Barabanov,   ; B. V. Batyunya,   ; V. Kh. Dodokhov,   ; A. Efremov,   ; A. Fechtchenko,   ; A. Galoyan,   ; G. Golovanov,   ; E. K. Koshurnikov,   ; Y. Yu. Lobanov,   ; A. G. Olshevskiy,   ; A. A. Piskun,   ; A. Samartsev,   ; S. Shimanski,   ; N. B. Skachkov,   ; A. N. Skachkova,   ; E. A. Strokovsky,   ; V. Tokmenin,   ; V. Uzhinsky,   ; A. Verkheev,   ; Vodopianov, A.; Zhuravlev, N. I.; Branford, D.; Watts, D.; Böhm, M.;   , ; W. Eyrich,   ; A. Lehmann,   ; Miehling, D.; Pfaffinger, M.; Quin, N.;   , ; L. Robison,   ; Seth, K.; Xiao, T.; Bettoni, D.; Ali, A.;   , ; A. Hamdi,   ; M. Himmelreich,   ; M. Krebs,   ; Nakhoul, S.; Nerling, F.; Belousov, A.;   , ; I. Kisel,   ; G. Kozlov,   ; Pugach, M.; Zyzak, M.; Bianchi, N.;   , ; Gianotti, P.; Lucherini, V.; Bracco, G.; Bettner, Y.;   , ; S. Bodenschatz,   ; K. T. Brinkmann,   ; L. Brück,   ; S. Diehl,   ; V. Dormenev,   ; M. Düren,   ; T. Erlen,   ; K. Föhl,   ; C. Hahn,   ; A. Hayrapetyan,   ; J. Hofmann,   ; S. Kegel,   ; M. Kesselkaul,   ; I. Köseoglu,   ; A. Kripko,   ; W. Kühn,   ; J. S. Lange,   ; V. Metag,   ; M. Moritz,   ; M. Nanova,   ; R. Novotny,   ; P. Orsich,   ; J. Pereira-de-Lira,   ; M. Peter,   ; M. Sachs,   ; M. Schmidt,   ; R. Schubert,   ; H. Stenzel,   ; M. Straube,   ; M. Strickert,   ; U. Thöring,   ; T. Wasem,   ; Wohlfahrt, B.; Zaunick, H. G.; Tomasi-Gustafsson, E.; Glazier, D.;   , ; Ireland, D.; Seitz, B.; Deepak, P. N.; Kulkarni, A.; Kappert, R.;   , ; M. Kavatsyuk,   ; H. Loehner,   ; J. Messchendorp,   ; V. Rodin,   ; Schakel, P.; Vejdani, S.; Dutta, K.; Kalita, K.; Huang, G.;   , ; D. Liu,   ; H. Peng,   ; H. Qi,   ; Sun, Y.; Zhou, X.; Kunze, M.; Azizi, K.; Tavukoglu, Z.; Derichs, A.;   , ; R. Dosdall,   ; W. Esmail,   ; A. Gillitzer,   ; F. Goldenbaum,   ; D. Grunwald,   ; L. Jokhovets,   ; J. Kannika,   ; P. Kulessa,   ; S. Orfanitski,   ; G. Pérez Andrade,   ; D. Prasuhn,   ; E. Prencipe,   ; J. Pütz,   ; J. Ritman,   ; E. Rosenthal,   ; S. Schadmand,   ; R. Schmitz,   ; A. Scholl,   ; T. Sefzick,   ; V. Serdyuk,   ; T. Stockmanns,   ; D. Veretennikov,   ; P. Wintz,   ; P. Wüstner,   ; Xu, H.; Zhou, Y.; Cao, X.;   , ; Q. Hu,   ; Z. Li,   ; H. Li,   ; Liang, Y.; Ma, X.; Rigato, V.; Isaksson, L.; Achenbach, P.;   , ; O. Corell,   ; A. Denig,   ; M. Distler,   ; M. Hoek,   ; W. Lauth,   ; H. H. Leithoff,   ; Z. Liu,   ; H. Merkel,   ; U. Müller,   ; J. Pochodzalla,   ; S. Schlimme,   ; C. Sfienti,   ; Thiel, M.; Zambrana, M.; Ahmed, S.;   , ; S. Bleser,   ; M. Bölting,   ; L. Capozza,   ; A. Dbeyssi,   ; A. Ehret,   ; R. Klasen,   ; R. Kliemt,   ; F. Maas,   ; C. Motzko,   ; O. Noll,   ; D. Rodríguez Piñeiro,   ; F. Schupp,   ; M. Steinen,   ; Wolff, S.; Zimmermann, I.; Fedorov, A.;   , ; D. Kazlou,   ; Korzhik, M.; Missevitch, O.; Balanutsa, P.;   , ; V. Chernetsky,   ; A. Demekhin,   ; A. Dolgolenko,   ; P. Fedorets,   ; A. Gerasimov,   ; A. Golubev,   ; V. Goryachev,   ; A. Kantsyrev,   ; D. Y. Kirin,   ; N. Kristi,   ; E. Ladygina,   ; E. Luschevskaya,   ; V. A. Matveev,   ; Panjushkin, V.; Stavinskiy, A. V.; Balashoff, A.;   , ; Boukharov, A.; Malyshev, O.; Basant, K. N.;   , ; H. Kumawat,   ; B. Roy,   ; Saxena, A.; Yogesh, S.; Bonaventura, D.;   , ; P. Brand,   ; C. Fritzsch,   ; S. Grieser,   ; C. Hargens,   ; A. K. Hergemöller,   ; B. Hetz,   ; N. Hüsken,   ; J. Kellers,   ; A. Khoukaz,   ; Mannweiler, C.; Vestrick, S.; Bumrungkoh, D.;   , ; C. Herold,   ; K. Khosonthongkee,   ; C. Kobdaj,   ; A. Limphirat,   ; K. Manasatitpong,   ; T. Nasawad,   ; S. Pongampai,   ; T. Simantathammakul,   ; P. Srisawad,   ; Wongprachanukul, N.; Yan, Y.; Yu, C.;   , ; Zhang, X.; Zhu, W.; Blinov, A. E.;   , ; Kononov, S.; Kravchenko, E. A.; Antokhin, E.;   , ; A. Yu. Barnyakov,   ; K. Beloborodov,   ; V. E. Blinov,   ; I. A. Kuyanov,   ; S. Pivovarov,   ; Pyata, E.; Tikhonov, Y.; Hunter, G.;   , ; Lattery, M.; Pace, H.; Boca, G.; Duda, D.; Finger, M.;   , ; Finger, M.;   , Jr.; A. Kveton,   ; M. Pesek,   ; M. Peskova,   ; I. Prochazka,   ; Slunecka, M.; Volf, M.; Gallus, P.;   , ; V. Jary,   ; O. Korchak,   ; M. Marcisovsky,   ; G. Neue,   ; J. Novy,   ; L. Tomasek,   ; M. Tomasek,   ; Virius, M.; Vrba, V.; Abramov, V.;   , ; S. Bukreeva,   ; S. Chernichenko,   ; A. Derevschikov,   ; V. Ferapontov,   ; Y. Goncharenko,   ; A. Levin,   ; E. Maslova,   ; Y. Melnik,   ; A. Meschanin,   ; N. Minaev,   ; V. Mochalov,   ; V. Moiseev,   ; D. Morozov,   ; L. Nogach,   ; S. Poslavskiy,   ; A. Ryazantsev,   ; S. Ryzhikov,   ; P. Semenov,   ; I. Shein,   ; A. Uzunian,   ; Vasiliev, A.; Yakutin, A.; Roy, U.; Yabsley, B.; Belostotski, S.;   , ; G. Fedotov,   ; G. Gavrilov,   ; A. Izotov,   ; S. Manaenkov,   ; Miklukho, O.; Zhdanov, A.; Atac, A.;   , ; Bäck, T.; Cederwall, B.; Makonyi, K.;   , ; M. Preston,   ; Tegner, P. E.; Wölbing, D.; Gandhi, K.; Rai, A. K.; Godre, S.; Crede, V.;   , ; S. Dobbs,   ; Eugenio, P.; Lersch, D.; Calvo, D.;   , ; P. De Remigis,   ; A. Filippi,   ; G. Mazza,   ; Rivetti, A.; Wheadon, R.; Bussa, M. P.; Spataro, S.; Iazzi, F.; Lavagno, A.; Martin, A.; Akram, A.;   , ; H. Calen,   ; W. Ikegami Andersson,   ; T. Johansson,   ; A. Kupsc,   ; P. Marciniewski,   ; M. Papenbrock,   ; J. Regina,   ; J. Rieger,   ; Schönning, K.; Wolke, M.; Pothodi Chackara, V.; Chlopik, A.;   , ; G. Kesik,   ; D. Melnychuk,   ; J. Tarasiuk,   ; M. Wojciechowski,   ; Wronka, S.; Zwieglinski, B.; Amsler, C.;   , ; P. Bühler,   ; J. Marton,   ; W. Nalti,   ; D. Steinschaden,   ; E. Widmann,   ; S. Zimmermann, J. Zmeskal
Classificazione: 1 Contributo su Rivista
Abstract: This paper reports on Monte Carlo simulation results for future measurements of the moduli of time-like proton electromagnetic form factors, || | G E | and || | G M | , using the ¯→+− p ¯ p → μ + μ − reaction at P⎯⎯⎯ANDA P ¯ ANDA (FAIR). The electromagnetic form factors are fundamental quantities parameterizing the electric and magnetic structure of hadrons. This work estimates the statistical and total accuracy with which the form factors can be measured at P⎯⎯⎯ANDA P ¯ ANDA , using an analysis of simulated data within the PandaRoot software framework. The most crucial background channel is ¯→+− p ¯ p → π + π − , due to the very similar behavior of muons and pions in the detector. The suppression factors are evaluated for this and all other relevant background channels at different values of antiproton beam momentum. The signal/background separation is based on a multivariate analysis, using the Boosted Decision Trees method. An expected background subtraction is included in this study, based on realistic angular distributions of the background contribution. Systematic uncertainties are considered and the relative total uncertainties of the form factor measurements are presented.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/286840

PANDA Phase one
EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI
Autore/i: Barucca, G.; Davi', F.; Lancioni, G.; Mengucci, P.; Montalto, L.; Natali, P. P.; Paone, N.; Rinaldi, D.; Scalise, L.; Krusche, B.; Steinacher, M.; Liu, Z.; Liu, C.; Liu, B.; Shen, X.; Sun, S.; Zhao, G.; Zhao, J.; Albrecht, M.; Alkakhi, W.; Bökelmann, S.; Coen, S.; Feldbauer, F.; Fink, M.; Frech, J.; Freudenreich, V.; Fritsch, M.; Grochowski, J.; Hagdorn, R.; Heinsius, F. H.; Held, T.; Holtmann, T.; Keshk, I.; Koch, H.; Kopf, B.; Kümmel, M.; Ner, M. Kü.; Li, J.; Linzen, L.; Maldaner, S.; Oppotsch, J.; Pankonin, S.; Pelizäus, M.; Pflüger, S.; Reher, J.; Reicherz, G.; Schnier, C.; Steinke, M.; Triffterer, T.; Wenzel, C.; Wiedner, U.; Denizli, H.; Er, N.; Keskin, U.; Yerlikaya, S.; Yilmaz, A.; Beck, R.; Chauhan, V.; Hammann, C.; Hartmann, J.; Ketzer, B.; Müllers, J.; Salisbury, B.; Schmidt, C.; Thoma, U.; Urban, M.; Bianconi, A.; Bragadireanu, M.; Pantea, D.; Rimjaem, S.; Domagala, M.; Filo, G.; Lisowski, E.; Lisowski, F.; Michałek, M.; Pozna´ nski, P.; Płazek, J.; Korcyl, K.; Lebiedowicz, P.; Pysz, K.; Schäfer, W.; Szczurek, A.; Firlej, M.; Fiutowski, T.; Idzik, M.; Moron, J.; Swientek, K.; Terlecki, P.; Korcyl, G.; Lalik, R.; Malige, A.; Moskal, P.; Nowakowski, K.; Przygoda, W.; Rathod, N.; Salabura, P.; Smyrski, J.; Augustin, I.; Böhm, R.; Lehmann, I.; Schmitt, L.; Varentsov, V.; Al-Turany, M.; Belias, A.; Deppe, H.; Dzhygadlo, R.; Flemming, H.; Gerhardt, A.; Götzen, K.; Heinz, A.; Jiang, P.; Karabowicz, R.; Koch, S.; Kurilla, U.; Lehmann, D.; Lühning, J.; Lynen, U.; Orth, H.; Peters, K.; Pütz, J.; Ritman, J.; Schepers, G.; Schmidt, C. J.; Schwarz, C.; Schwiening, J.; Täschner, A.; Traxler, M.; Voss, B.; Wieczorek, P.; Abazov, V.; Alexeev, G.; Barabanov, M. Yu.; Dodokhov, V. Kh.; Efremov, A.; Fechtchenko, A.; Galoyan, A.; Golovanov, G.; Koshurnikov, E. K.; Lobanov, Y. Yu.; Olshevskiy, A. G.; Piskun, A. A.; Samartsev, A.; Shimanski, S.; Skachkov, N. B.; Skachkova, A. N.; Strokovsky, E. A.; Tokmenin, V.; Uzhinsky, V.; Verkheev, A.; Vodopianov, A.; Zhuravlev, N. I.; Watts, D.; Böhm, M.; Eyrich, W.; Lehmann, A.; Miehling, D.; Pfaffinger, M.; Seth, K.; Xiao, T.; Ali, A.; Hamdi, A.; Himmelreich, M.; Krebs, M.; Nakhoul, S.; Nerling, F.; Gianotti, P.; Lucherini, V.; Bracco, G.; Bodenschatz, S.; Brinkmann, K. T.; Brück, L.; Diehl, S.; Dormenev, V.; Düren, M.; Erlen, T.; Hahn, C.; Hayrapetyan, A.; Hofmann, J.; Kegel, S.; Khalid, F.; Köseoglu, I.; Kripko, A.; Kühn, W.; Metag, V.; Moritz, M.; Nanova, M.; Novotny, R.; Orsich, P.; Pereira-de-Lira, J.; Sachs, M.; Schmidt, M.; Schubert, R.; Strickert, M.; Wasem, T.; Zaunick, H. G.; Tomasi-Gustafsson, E.; Glazier, D.; Ireland, D.; Seitz, B.; Kappert, R.; Kavatsyuk, M.; Loehner, H.; Messchendorp, J.; A, ; Rodin, V.; Kalita, K.; Huang, G.; Liu, D.; Peng, H.; Qi, H.; Sun, Y.; Zhou, X.; Kunze, M.; Azizi, K.; Olgun, A. T.; Tavukoglu, Z.; Derichs, A.; Dosdall, R.; Esmail, W.; Gillitzer, A.; Goldenbaum, F.; Grunwald, D.; Jokhovets, L.; Kannika, J.; Kulessa, P.; Orfanitski, S.; Perez-Andrade, G.; Prasuhn, D.; Prencipe, E.; Rosenthal, E.; Schadmand, S.; Schmitz, R.; Scholl, A.; Sefzick, T.; Serdyuk, V.; Stockmanns, T.; Veretennikov, D.; Wintz, P.; Wüstner, P.; Xu, H.; Zhou, Y.; Cao, X.; Hu, Q.; Liang, Y.; Rigato, V.; Isaksson, L.; Achenbach, P.; Corell, O.; Denig, A.; Distler, M.; Hoek, M.; Lauth, W.; Leithoff, H. H.; Merkel, H.; Müller, U.; Petersen, J.; Pochodzalla, J.; Schlimme, S.; Sfienti, C.; Thiel, M.; Bleser, S.; Bölting, M.; Capozza, L.; Dbeyssi, A.; Ehret, A.; Klasen, R.; Kliemt, R.; Maas, F.; Motzko, C.; Noll, O.; Rodríguez Piñeiro, D.; Schupp, F.; Steinen, M.; Wolff, S.; Zimmermann, I.; Kazlou, D.; Korzhik, M.; Missevitch, O.; Balanutsa, P.; Chernetsky, V.; Demekhin, A.; Dolgolenko, A.; Fedorets, P.; Gerasimov, A.; Golubev, A.; Kantsyrev, A.; Kirin, D. Y.; Kristi, N.; Ladygina, E.; Luschevskaya, E.; Matveev, V. A.; Panjushkin, V.; Stavinskiy, A. V.; Balashoff, A.; Boukharov, A.; Bukharova, M.; Malyshev, O.; Vishnevsky, E.; Bonaventura, D.; Brand, P.; Hetz, B.; Hüsken, N.; Kellers, J.; Khoukaz, A.; Klostermann, D.; Mannweiler, C.; Vestrick, S.; Bumrungkoh, D.; Herold, C.; Khosonthongkee, K.; Kobdaj, C.; Limphirat, A.; Manasatitpong, K.; Nasawad, T.; Pongampai, S.; Simantathammakul, T.; Srisawad, P.; Wongprachanukul, N.; Yan, Y.; Yu, C.; Zhang, X.; Zhu, W.; Antokhin, E.; Barnyakov, A. Yu.; Beloborodov, K.; Blinov, V. E.; Kuyanov, I. A.; Pivovarov, S.; Pyata, E.; Tikhonov, Y.; Blinov, A. E.; Kononov, S.; Kravchenko, E. A.; Lattery, M.; Boca, G.; Duda, D.; Finger, M.; Finger Jr., M.; Kveton, A.; Prochazka, I.; Slunecka, M.; Volf, M.; Jary, V.; Korchak, O.; Marcisovsky, M.; Neue, G.; Novy, J.; Tomasek, L.; Tomasek, M.; Virius, M.; Vrba, V.; Abramov, V.; Bukreeva, S.; Chernichenko, S.; Derevschikov, A.; Ferapontov, V.; Goncharenko, Y.; Levin, A.; Maslova, E.; Melnik, Y.; Meschanin, A.; Minaev, N.; Mochalov, V.; Moiseev, V.; Morozov, D.; Nogach, L.; Poslavskiy, S.; Ryazantsev, A.; Ryzhikov, S.; Semenov, P.; Shein, I.; Uzunian, A.; Vasiliev, A.; Yakutin, A.; Belostotski, S.; Fedotov, G.; Izotov, A.; Manaenkov, S.; Miklukho, O.; Cederwall, B.; Preston, M.; Tegner, P. E.; Wölbing, D.; Gandhi, K.; Rai, A. K.; Godre, S.; Crede, V.; Dobbs, S.; Eugenio, P.; Bussa, M. P.; Spataro, S.; Calvo, D.; De Remigis, P.; Filippi, A.; Mazza, G.; Wheadon, R.; Iazzi, F.; Lavagno, A.; Akram, A.; Calen, H.; Ikegami Andersson, W.; Johansson, T.; Kupsc, A.; Marciniewski, P.; Papenbrock, M.; Regina, J.; Rieger, J.; Schönning, K.; Wolke, M.; Chlopik, A.; Kesik, G.; Melnychuk, D.; Tarasiuk, J.; Wojciechowski, M.; Wronka, S.; Zwieglinski, B.; Amsler, C.; Bühler, P.; Marton, J.; Zimmermann, S.; Fischer, C. S.; Haidenbauer, J.; Hanhart, C.; Lutz, M. F. M.; Ryan, Sinéad M.
Classificazione: 1 Contributo su Rivista
Abstract: The Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany, provides unique possibilities for a new generation of hadron-, nuclear- and atomic physics experiments. The future antiProton ANnihilations at DArmstadt (PANDA or PANDA) experiment at FAIR will offer a broad physics programme, covering different aspects of the strong interaction. Understanding the latter in the nonperturbative regime remains one of the greatest challenges in contemporary physics. The antiproton–nucleon interaction studied with PANDA provides crucial tests in this area. Furthermore, the high-intensity, low-energy domain of PANDA allows for searches for physics beyond the Standard Model, e.g. through high precision symmetry tests. This paper takes into account a staged approach for the detector setup and for the delivered luminosity from the accelerator. The available detector setup at the time of the delivery of the first antiproton beams in the HESR storage ring is referred to as the Phase One setup. The physics programme that is achievable during Phase One is outlined in this paper.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/290677

Uniaxial tensile behavior of ultra-high performance fiber-reinforced concrete (uhpfrc): Experiments and modeling
COMPOSITE STRUCTURES
Autore/i: Donnini, J.; Lancioni, G.; Chiappini, G.; Corinaldesi, V.
Classificazione: 1 Contributo su Rivista
Abstract: Ultra-High Performance Fiber-Reinforced Concrete (UHPFRC) is considered a promising material for many structural applications where high strength and high energy absorption capacity are required. The purpose of this work is to study the uniaxial tensile behavior of soft cast (flowable at casting time) UHPFRC by varying the amount of hooked steel fibers (30-mm long) from 0% up to 2.55% by volume. Direct tensile tests have been performed on dog-bone shaped specimens and Digital Image Correlation (DIC) has been used to measure displacements and deformations and to monitor the evolution of cracks. Then, a phase-field model has been implemented in a FE code and numerical simulations have been performed to better understand the effects of different fiber dosages on the mechanical behavior of UHPFRC composites and on their post-elastic evolution. Concrete matrix and fiber reinforcement have been modeled as brittle and elasto-plastic phases of a mixture, whose internal energies are enriched by non-local damage and plasticity contributions. The different failure mechanisms observed in experiments have been reproduced, including the ductile failure experienced by specimens with sufficiently high fiber dosage, which distinguishes for a strain-hardening phase of matrix multi- micro-cracking that anticipates material failure.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/286671

Study of excited Ξ baryons with the PANDA detector
THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI
Autore/i: Barucca, G.; Davi', F.; Lancioni, G.; Mengucci, P.; Montalto, L.; Natali, P. P.; Paone, N.; Rinaldi, D.; Scalise, L.; Krusche, B.; Steinacher, M.; Li, Z.; Liu, C.; Liu, B.; Shen, X.; Sun, S.; Zhao, G.; Zhao, J.; Albrecht, M.; Alkakhi, W.; Bökelmann, S.; Coen, S.; Feldbauer, F.; Fink, M.; Frech, J.; Freudenreich, V.; Fritsch, M.; Grochowski, J.; Hagdorn, R.; Heinsius, F. H.; Held, T.; Holtmann, T.; Keshk, I.; Koch, H.; Kopf, B.; Kümmel, M.; Küner, M.; Li, J.; Linzen, L.; Maldaner, S.; Oppotsch, J.; Pankonin, S.; Pelizä, M.; Pflüger, S.; Reher, J.; Reicherz, G.; Schnier, C.; Steinke, M.; Triffterer, T.; Wenzel, C.; Wiedner, U.; Denizli, H.; Er, N.; Keskin, U.; Yerlikaya, S.; Yilmaz, A.; Bec, R.; Chauhan, V.; Hammann, C.; Hartmann, J.; Ketzer, B.; Müllers, J.; Salisbury, B.; Schmidt, C.; Thoma, U.; Urban, M.; Bianconi, A.; Bragadireanu, M.; Pantea, D.; Domagala, M.; Filo, G.; Lisowski, E.; Lisowski, F.; Michałek, M.; Poznanski, P.; Płazek, J.; Korcyl, K.; Lebiedowicz, P.; Pysz, K.; Schäfer, W.; Szczurek, A.; Firlej, M.; Fiutowski, T.; Idzik, M.; Moron, J.; Swientek, K.; Terlecki, P.; Korcyl, G.; Lalik, R.; Malige, A.; Moskal, P.; Nowakowski, K.; Przygoda, W.; Rathod, N.; Salabura, P.; Smyrski, J.; Augustin, I.; Böhm, R.; Lehmann, I.; Schmitt, L.; Varentsov, V.; Al-Turany, M.; Belias, A.; Deppe, H.; Dzhygadlo, R.; Flemming, H.; Gerhardt, A.; Götzen, K.; Heinz, A.; Jiang, P.; Karabowicz, R.; Koch, S.; Kurilla, U.; Lehmann, D.; Lühning, J.; Lynen, U.; Orth, H.; Peters, K.; Schepers, G.; Schmidt, C. J.; Schwarz, C.; Schwiening, J.; Täschner, A.; Traxler, M.; Voss, B.; Wieczorek, P.; Abazov, V.; Alexeev, G.; Barabanov, M. Yu.; Dodokhov, V. Kh.; Efremov, A.; Fechtchenko, A.; Galoyan, A.; Golovanov, G.; Koshurnikov, E. K.; Lobanov, Y. Yu.; Olshevskiy, A. G.; Piskun, A. A.; Samartsev, A.; Shimanski, S.; Skachkov, N. B.; Skachkova, A. N.; Strokovsky, E. A.; Tokmenin, V.; Uzhinsky, V.; Verkheev, A.; Vodopianov, A.; Zhuravlev, N. I.; Watts, D.; Böhm, M.; Eyrich, W.; Lehmann, A.; Miehling, D.; Pfaffinger, M.; Seth, K.; Xiao, T.; Ali, A.; Hamdi, A.; Himmelreich, M.; Krebs, M.; Nakhoul, S.; Nerling, F.; Gianotti, P.; Lucherini, V.; Bracco, G.; Bodenschatz, S.; Brinkmann, K. T.; Brück, L.; Diehl, S.; Dormenev, V.; Düren, M.; Erlen, T.; Hahn, C.; Hayrapetyan, A.; Hofmann, J.; Kegel, S.; Khalid, F.; Köseoglu, I.; Kripko, A.; Kühn, W.; Metag, V.; Moritz, M.; Nanova, M.; Novotny, R.; Orsich, P.; Pereira-de-Lira, J.; Sachs, M.; Schmidt, M.; Schubert, R.; Strickert, M.; Wasem, T.; Zaunick, H. G.; Tomasi-Gustafsson, E.; Glazier, D.; Ireland, D.; Seitz, B.; Kappert, R.; Kavatsyuk, M.; Loehner, H.; Messchendorp, J.; Rodin, V.; Kalita, K.; Huang, G.; Liu, D.; Peng, H.; Qi, H.; Sun, Y.; Zhou, X.; Kunze, M.; Azizi, K.; Olgun, A. T.; Tavukoglu, Z.; Derichs, A.; Dosdall, R.; Esmail, W.; Gillitzer, A.; Goldenbaum, F.; Grunwald, D.; Jokhovets, L.; Kannika, J.; Kulessa, P.; Orfanitski, S.; Pérez-Andrade, G.; Prasuhn, D.; Prencipe, E.; Pütz, J.; Ritman, J.; Rosenthal, E.; Schadmand, S.; Schmitz, R.; Scholl, A.; Sefzick, T.; Serdyuk, V.; Stockmanns, T.; Veretennikov, D.; Wintz, P.; Wüstner, P.; Xu, H.; Zhou, Y.; Cao, X.; Hu, Q.; Liang, Y.; Rigato, V.; Isaksson, L.; Achenbach, P.; Corell, O.; Denig, A.; Distler, M.; Hoek, M.; Lauth, W.; Leithoff, H. H.; Merkel, H.; Müller, U.; Petersen, J.; Pochodzalla, J.; Schlimme, S.; Sfienti, C.; Thiel, M.; Bleser, S.; Bölting, M.; Capozza, L.; Dbeyssi, A.; Ehret, A.; Klasen, R.; Kliemt, R.; Maas, F.; Motzko, C.; Noll, O.; Rodríguez Piñeiro, D.; Schupp, F.; Steinen, M.; Wolff, S.; Zimmermann, I.; Kazlou, D.; Korzhik, M.; Missevitch, O.; Balanutsa, P.; Chernetsky, V.; Demekhin, A.; Dolgolenko, A.; Fedorets, P.; Gerasimov, A.; Golubev, A.; Kantsyrev, A.; Kirin, D. Y.; Kristi, N.; Ladygina, E.; Luschevskaya, E.; Matveev, V. A.; Panjushkin, V.; Stavinskiy, A. V.; Balashoff, A.; Boukharov, A.; Bukharova, M.; Malyshev, O.; Vishnevsky, E.; Bonaventura, D.; Brand, P.; Hetz, B.; Hüsken, N.; Kellers, J.; Khoukaz, A.; Klostermann, D.; Mannweiler, C.; Vestrick, S.; Bumrungkoh, D.; Herold, C.; Khosonthongkee, K.; Kobdaj, C.; Limphirat, A.; Manasatitpong, K.; Nasawad, T.; Pongampai, S.; Simantathammakul, T.; Srisawad, P.; Wongprachanukul, N.; Yan, Y.; Yu, C.; Zhang, X.; Zhu, W.; Antokhin, E.; Barnyakov, A. Yu.; Beloborodov, K.; Blinov, V. E.; Kuyanov, I. A.; Pivovarov, S.; Pyata, E.; Tikhonov, Y.; Blinov, A. E.; Kononov, S.; Kravchenko, E. A.; Lattery, M.; Boca, G.; Duda, D.; Finger, M.; Finger Jr., M.; Kveton, A.; Pesek, M.; Peskova, M.; Prochazka, I.; Slunecka, M.; Volf, M.; Gallus, P.; Jary, V.; Korchak, O.; Marcisovsky, M.; Neue, G.; Novy, J.; Tomasek, L.; Tomasek, M.; Virius, M.; Vrba, V.; Abramov, V.; Bukreeva, S.; Chernichenko, S.; Derevschikov, A.; Ferapontov, V.; Goncharenko, Y.; Levin, A.; Maslova, E.; Melnik, Y.; Meschanin, A.; Minaev, N.; Mochalov, V.; Moiseev, V.; Morozov, D.; Nogach, L.; Poslavskiy, S.; Ryazantsev, A.; Ryzhikov, S.; Semenov, P.; Shein, I.; Uzunian, A.; Vasiliev, A.; Yakutin, A.; Belostotski, S.; Fedotov, G.; Izotov, A.; Manaenkov, S.; Miklukho, O.; Preston, M.; Tegner, P. E.; Wölbing, D.; Cederwall, B.; Gandhi, K.; Rai, A. K.; Godre, S.; Crede, V.; Dobbs, S.; Eugenio, P.; Calvo, D.; De Remigis, P.; Filippi, A.; Mazza, G.; Wheadon, R.; Iazzi, F.; Lavagno, A.; Bussa, M. P.; Spataro, S.; Akram, A.; Calen, H.; Ikegami Andersson, W.; Johansson, T.; Kupsc, A.; Marciniewski, P.; Papenbrock, M.; Regina, J.; Rieger, J.; Schönning, K.; Wolke, M.; Chlopik, A.; Kesik, G.; Melnychuk, D.; Tarasiuk, J.; Wronka, S.; Zwieglinski, B.; Amsler, C.; Bühler, P.; Marton, J.; Zimmermann, S.
Classificazione: 1 Contributo su Rivista
Abstract: The study of baryon excitation spectra provides insight into the inner structure of baryons. So far, most of the world-wide efforts have been directed towards N∗ and Δ spectroscopy. Nevertheless, the study of the double and triple strange baryon spectrum provides independent information to the N∗ and Δ spectra. The future antiproton experiment PANDA will provide direct access to final states containing a ΞΞ pair, for which production cross sections up to μb are expected in ¯pp reactions.With a luminosity of L = 1031 cm−2 s−1 in the first phase of the experiment, the expected cross sections correspond to a production rate of ∼ 106 events/day. With a nearly 4π detector acceptance, PANDA will thus be a hyperon factory. In this study, reactions of the type ¯pp → Ξ+Ξ∗− as well as ¯pp → Ξ∗+Ξ− with various decay modes are investigated. For the exclusive reconstruction of the signal events a full decay tree fit is used, resulting in reconstruction efficiencies between 3 and 5%. This allows high statistics data to be collected within a few weeks of data taking.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/289859

Experimental and Numerical Study on the Flexural Behavior of Ultra High Performance Fiber Reinforced Concrete (UHPFRC)
Proceedings of ICNAAM 2021
Autore/i: Donnini, Jacopo; Lancioni, Giovanni
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/289950

Variational modeling of micro-cracking and failure in fiber-reinforced concretes
Proceedings of the 6th European Conference on Computational Mechanics: Solids, Structures and Coupled Problems, ECCM 2018 and 7th European Conference on Computational Fluid Dynamics, ECFD 2018
Autore/i: Lancioni, G.; Alessi, R.; Baioni, E.
Editore: International Centre for Numerical Methods in Engineering, CIMNE
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Abstract: A variational micro-mechanical model is proposed to reproduce the complex response of fiber-reinforced concretes to tensile loadings. The composite is described as a mixture where two phases are combined: a brittle phase, corresponding to the cementitious matrix, and an elasto-plastic phase, describing the ductile contribution of fibers. The model is formulated in the simple one-dimensional setting of a tensile bar, and implemented in a finite element code. Simulations of tensile tests are performed, which capture the different stages of the evolution typically observed in experiments: the stress-hardening phase of microcracking, and the subsequent stage of stress-softening in which a macro-crack opens, leading to the sample failure. Simulations also reproduce the stiffness degradation and the occurrence of residual strains observed when samples are unloaded.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/276091

Modeling micro-cracking and failure in short fiber-reinforced composites
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
Autore/i: Lancioni, G.; Alessi, R.
Classificazione: 1 Contributo su Rivista
Abstract: Composites made of reinforcing short fibers embedded into brittle matrices, like, e.g., fiber-reinforced concretes, exhibit enhanced strength and ductility properties. Their failure process induced by tensile loadings involves hardening and softening stages as a result of matrix multiple micro-cracking, due to stress bridging of fibers across matrix micro-cracks, and strain localization phenomena. In the present paper, a variational model is proposed for the description of the intriguing failure mechanisms observed in short fibre-reinforced composites subjected to tensile loadings. The key modeling idea is to schematize the composite as a mixture of two phases, a brittle phase, representative of the matrix, and a ductile phase, accounting for the fibers reinforcement, which are coupled by elastic bonds. Different modeling levels of increasing complexity are proposed, ranging from a simplified one-dimensional analytical model to a three-dimensional variational model. Within the variational formulation, specific damage and plastic energies are assigned to the two phases, incorporating non-local gradient terms, and governing equations and evolution laws for the internal variables, as yield inequalities, consistency conditions and normality rules, are deduced from minimum principles. Parameters calibration is discussed as well as the importance of three internal lengths incorporated into the model. Moreover, the variational structure of the problem allow for a straightforward finite element implementation based on an incremental energy minimization algorithm and several aspects of the response are highlighted by means of numerical examples.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/276089

Strain gradient plasticity: Deformation patterning, localization, and fracture
Handbook of Nonlocal Continuum Mechanics for Materials and Structures
Autore/i: Lancioni, G.; Yalcinkaya, T.
Editore: Springer International Publishing
Classificazione: 2 Contributo in Volume
Abstract: In this chapter, two different strain gradient plasticity models based on nonconvex plastic energies are presented and compared through analytical estimates and numerical experiments. The models are formulated in the simple onedimensional setting, and their ability to reproduce heterogeneous plastic strain processes is analyzed, focusing on strain localization phenomena observed in metallic materials at different length scales. In a geometrically linear context, both models are based on the additive decomposition of the strain into elastic and plastic parts. Moreover, they share the same non-convex plastic energy, and they are both characterized by the same nonlocal plastic energy as well, i.e., a quadratic form of the plastic strain gradient. In the first model, proposed in Yalçinkaya et al. (Int J Solids Struct 49:2625-2636, 2012) and Yalcinkaya (Microstructure evolution in crystal plasticity: strain path effects and dislocation slip patterning. Ph.D. thesis, Eindhoven University of Technology, 2011), the plastic energy is assumed to be conservative, and plastic dissipation is introduced through a viscous term, which makes the formulation rate-dependent. In the second model, developed in Del Piero et al. (J Mech Mater Struct 8(2-4):109- 151, 2013), the plastic term is supposed to be totally dissipative. As a result, plastic deformations are not recoverable, and the resulting framework is rateindependent, contrary to the first model. First, the evolution problems resulting from the two theories are analytically solved in a special simplified case, and correlations between the shape of the plastic potential and the modeling predictions are established. Then, the models are numerically implemented by finite elements, and numerical solutions of two different one-dimensional problems, associated with different plastic energies, are determined. In the first problem, a double-well plastic energy is considered, and the evolution of plastic slip patterning observed in crystals at the mesoscale is reproduced. In the second problem, a convex-concave plastic energy is used to simulate the macroscopic response of a tensile steel bar, which experiences the so-called necking process, with plastic strains localization and final coalescing into fracture. Numerical results provided by the two models are analyzed and compared.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/276096

Tensile behaviour of glass FRCM systems with fabrics’ overlap: Experimental results and numerical modeling
COMPOSITE STRUCTURES
Autore/i: Donnini, Jacopo; Chiappini, Gianluca; Lancioni, Giovanni; Corinaldesi, Valeria
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/266132

Sustainable Engineering for Resilient Built and Natural Environments
The First Outstanding 50 Years of “Università Politecnica delle Marche”
Autore/i: Alici, Antonello; Bocci, Maurizio; Bonvini, Paolo; Brocchini, Maurizio; Calamai, Alessandro; Canestrari, Francesco; Capozucca, Roberto; Carbonari, Alessandro; Carbonari, Sandro; Cardone, Fabrizio; Clementi, Francesco; Clini, Paolo; Cocchi, Giammichele; Corvaro, Sara; Darvini, Giovanna; Davì, Fabrizio; Dezi, Luigino; Di Giuseppe, Elisa; D’Orazio, Marco; Ferretti, Maddalena; Ferrotti, Gilda; Gara, Fabrizio; Giretti, Alberto; Graziani, Andrea; Lancioni, Giovanni; Lemma, Massimo; Lenci, Stefano; Lorenzoni, Carlo; Malinverni, Eva Savina; Mancinelli, Alessandro; Mariano, Fabio; Mentrasti, Lando; Mondaini, Gianluigi; Montecchiari, Piero; Munafò, Placido; Naticchia, Berardo; Postacchini, Matteo; Quagliarini, Enrico; Quattrini, Ramona; Ragni, Laura; Serpilli, Michele; Soldini, Luciano; Virgili, Amedeo; Zampini, Giovanni
Editore: Springer
Classificazione: 2 Contributo in Volume
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/272866

An Overview of the Structural Safety-Oriented Research in the Region Marche Seismic Area
The First Outstanding 50 Years of “Università Politecnica delle Marche”
Autore/i: Capozucca, R.; Carbonari, S.; Clementi, F.; Cocchi, G.; Davi, F.; Dezi, L.; Gara, F.; Lancioni, G.; Lenci, S.; Mentrasti, L.; Ragni, L.; Serpilli, M.
Editore: Springer, Cham
Classificazione: 2 Contributo in Volume
Abstract: In recent years, Italy has been hit by earthquakes, causing significant damage to masonry and reinforced concrete (RC) structures. Especially, common buildings and ordinary structures in many small historical towns of Italian central regions, such as Marche, have suffered dramatic consequences and destruction. Dynamic analysis and seismic structural safety are important topics in civil engineering, which have been studied and deepened for many years by the researchers of the Structural Division of the Department of Civil and Building Engineering, and Architecture of UnivPM. The researches have been oriented towards the investigation of structures under seismic loads in order to improve the knowledge of the structural response under high actions, due to the soil dynamic movements and, thus, define adequate techniques to strengthen the damaged structures. In this paper we present a wide spectrum of main results of our research group, comprising experimental studies, vulnerability analysis and assessment of existing structures, new methods of modelling and theoretical approaches to define the dynamic behavior of structures, also in presence of damage. Finally, we show and discuss new prospects of research for safety, employing advanced techniques and materials to prevent collapse and/or relevant damages in structures.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/281739

Precision resonance energy scans with the PANDA experiment at FAIR
THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI
Autore/i: Barucca, G; Davı, F; Lancioni, G; Mengucci, P; Montalto, L; Natali, P; Paone, N; Rinaldi, D; Scalise, L; Erni, W; Krusche, B; Steinacher, M; Walford, N; Cao, N; Liu, Z; Liu, C; Liu, B; Shen, X; Sun, S; Tao, J; Zhao, G; Zhao, J; Albrecht, M; Bökelmann, S; Erlen, T; Feldbauer, F; Fink, M; Frech, J; Freudenreich, V; Fritsch, M; Hagdorn, R; Heinsius, H; Held, T; Holtmann, T; Keshk, I; Koch, H; Kopf, B; Kuhlmann, M; Kümmel, M; Küßner, M; Leiber, S; Musiol, P; Mustafa, A; Pelizäus, M; Pitka, A; Reher, J; Reicherz, G; Richter, M; Schnier, C; Sersin, S; Sohl, L; Sowa, C; Steinke, M; Triffterer, T; Weber, T; Wiedner, U; Beck, R; Hammann, C; Hartmann, J; Ketzer, B; Müllers, J; Rossbach, M; Salisbury, B; Schmidt, C; Thoma, U; Urban, M; Bianconi, A; Bragadireanu, M; Pantea, D; Czyzycki, W; Domagala, M; Filo, G; Jaworowski, J; Krawczyk, M; Lisowski, E; Lisowski, F; Michałek, M; Płażek, J; Korcyl, K; Kozela, A; Kulessa, P; Lebiedowicz, P; Pysz, K; Schäfer, W; Szczurek, A; Fiutowski, T; Idzik, M; Swientek, K; Terlecki, P; Korcyl, G; Lalik, R; Malige, A; Moskal, P; Nowakowski, K; Przygoda, W; Rathod, N; Rudy, Z; Salabura, P; Smyrski, J; Augustin, I; Böhm, R; Lehmann, I; Nicmorus Marinescu, D; Schmitt, L; Varentsov, V; Al-Turany, M; Belias, A; Deppe, H; Dzhygadlo, R; Flemming, H; Gerhardt, A; Götzen, K; Heinz, A; Karabowicz, R; Kurilla, U; Lehmann, D; Lühning, J; Lynen, U; Nakhoul, S; Orth, H; Peters, K; Saito, T; Schepers, G; Schmidt, C J; Schwarz, C; Schwiening, J; Täschner, A; Traxler, M; Voss, B; Wieczorek, P; Abazov, V; Alexeev, G; Arefiev, V A; Astakhov, V; Barabanov, M Yu; Batyunya, B V; Dodokhov, V Kh; Fechtchenko, A; Galoyan, A; Golovanov, G; Koshurnikov, E K; Lobanov, Y Yu; Olshevskiy, A G; Piskun, A A; Samartsev, A; Shimanski, S; Skachkov, N B; Skachkova, A N; Strokovsky, E A; Tokmenin, V; Uzhinsky, V; Verkheev, A; Vodopianov, A; Zhuravlev, N I; Branford, D; Glazier, D; Watts, D; Böhm, M; Eyrich, W; Lehmann, A; Miehling, D; Pfaffinger, M; Stelter, S; Quin, N; Robison, L; Seth, K; Xiao, T; Bettoni, D; Ali, A; Hamdi, A; Krebs, M; Nerling, F; Belousov, A; Kisel, I; Kozlov, G; Pugach, M; Zyzak, M; Bianchi, N; Gianotti, P; Lucherini, V; Bracco, G; Bodenschatz, S; Brinkmann, K T; Diehl, S; Dormenev, V; Düren, M; Etzelmüller, E; Föhl, K; Galuska, M; Geßler, T; Gutz, E; Hahn, C; Hayrapetyan, A; Kesselkaul, M; Kühn, W; Lange, J S; Liang, Y; Metag, V; Moritz, M; Nanova, M; Novotny, R; Schmidt, M; Stenzel, H; Strickert, M; Thöring, U; Wasem, T; Wohlfahrt, B; Zaunick, H G; Tomasi-Gustafsson, E; Ireland, D; Seitz, B; Deepak, P N; Kulkarni, A; Apostolou, A; Kappert, R; Kavatsyuk, M; Loehner, H; Messchendorp, J; Rodin, V; Schakel, P; Vejdani, S; Dutta, K; Kalita, K; Sohlbach, H; Bianchi, L; Deermann, D; Derichs, A; Dosdall, R; Erven, A; Gillitzer, A; Goldenbaum, F; Grunwald, D; Jokhovets, L; Lai, A; Orfanitski, S; Prasuhn, D; Prencipe, E; Pütz, J; Ritman, J; Rosenthal, E; Schadmand, S; Schmitz, R; Sefzick, T; Serdyuk, V; Sterzenbach, G; Stockmanns, T; Wintz, P; Wüstner, P; Xu, H; Zhou, Y; Cao, X; Hu, Q; Li, H; Li, Z; Ma, X; Rigato, V; Isaksson, L; Achenbach, P; Aycock, A; Corell, O; Denig, A; Distler, M; Hoek, M; Lauth, W; Liu, Z; Merkel, H; Müller, U; Pochodzalla, J; Schlimme, S; Sfienti, C; Thiel, M; Zambrana, M; Ahmadi, H; Ahmed, S; Bleser, S; Bölting, M; Capozza, L; Dbeyssi, A; Grasemann, P; Klasen, R; Kliemt, R; Leithoff, H H; Maas, F; Maldaner, S; Michel, M; Morales Morales, C; Motzko, C; Noll, O; Pflüger, S; Rodríguez Piñeiro, D; Steinen, M; Wolff, S; Zimmermann, I; Fedorov, A; Korzhik, M; Missevitch, O; Balashoff, A; Boukharov, A; Malyshev, O; Balanutsa, P; Chernetsky, V; Demekhin, A; Dolgolenko, A; Fedorets, P; Gerasimov, A; Golubev, A; Goryachev, V; Kantsyrev, A; Kirin, D Y; Kotov, A; Kristi, N; Ladygina, E; Luschevskaya, E; Matveev, V A; Panjushkin, V; Stavinskiy, A V; Basant, K N; Jha, V; Kumawat, H; Mohanty, A K; Roy, B; Saxena, A; Yogesh, S; Bonaventura, D; Fritzsch, C; Grieser, S; Hargens, C; Hergemöller, A K; Hetz, B; Hüsken, N; Khoukaz, A; Wessels, J P; Herold, C; Khosonthongkee, K; Kobdaj, C; Limphirat, A; Nasawad, T; Simantathammakul, T; Srisawad, P; Yan, Y; Blinov, A E; Kononov, S; Kravchenko, E A; Antokhin, E; Barnyakov, M; Beloborodov, K; Blinov, V E; Kuyanov, I A; Pivovarov, S; Pyata, E; Tikhonov, Y; Kunne, R; Ramstein, B; Boca, G; Duda, D; Finger, M; Finger, M; Kveton, A; Pesek, M; Peskova, M; Prochazka, I; Slunecka, M; Gallus, P; Jary, V; Novy, J; Tomasek, M; Tomasek, L; Virius, M; Vrba, V; Abramov, V; Bukreeva, S; Chernichenko, S; Derevschikov, A; Ferapontov, V; Goncharenko, Y; Levin, A; Maslova, E; Melnik, Y; Meschanin, A; Minaev, N; Mochalov, V; Moiseev, V; Morozov, D; Nogach, L; Poslavskiy, S; Ryazantsev, A; Ryzhikov, S; Semenov, P; Shein, I; Uzunian, A; Vasiliev, A; Yakutin, A; Roy, U; Yabsley, B; Belostotski, S; Gavrilov, G; Izotov, A; Manaenkov, S; Miklukho, O; Veretennikov, D; Zhdanov, A; Makonyi, K; Preston, M; Tegner, P E; Wölbing, D; Atac, A; Bäck, T; Cederwall, B; Gandhi, K; Rai, A K; Godre, S; Calvo, D; De Remigis, P; Filippi, A; Mazza, G; Rivetti, A; Wheadon, R; Iazzi, F; Lavagno, A; Bussa, M P; Spataro, S; Martin, A; Akram, A; Calen, H; Ikegami Andersson, W; Johansson, T; Kupsc, A; Marciniewski, P; Papenbrock, M; Regina, J; Schönning, K; Wolke, M; Diaz, J; Pothodi Chackara, V; Chlopik, A; Kesik, G; Melnychuk, D; Trzcinski, A; Wojciechowski, M; Wronka, S; Zwieglinski, B; Amsler, C; Bühler, P; Kratochwil, N; Marton, J; Nalti, W; Steinschaden, D; Suzuki, K; Widmann, E; Zimmermann, S; Zmeskal, J
Classificazione: 1 Contributo su Rivista
Abstract: This paper summarises a comprehensive Monte Carlo simulation study for precision resonance energy scan measurements. Apart from the proof of principle for natural width and line shape measurements of very narrow resonances with PANDA, the achievable sensitivities are quantified for the concrete example of the charmonium-like X(3872) state discussed to be exotic, and for a larger parameter space of various assumed signal cross-sections, input widths and luminosity combinations. PANDA is the only experiment that will be able to perform precision resonance energy scans of such narrow states with quantum numbers of spin and parities that differ from {$} J^{{}PC{}} = 1^{{}--{}}{$}JPC=1--.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/264613

Variational modelling of diffused and localized damage with applications to fiber-reinforced concretes
MECCANICA
Autore/i: Lancioni, Giovanni; Corinaldesi, Valeria
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/249959

Failure modes in FRCM systems with dry and pre-impregnated carbon yarns: Experiments and modeling
COMPOSITES. PART B, ENGINEERING
Autore/i: Donnini, Jacopo; Lancioni, Giovanni; Corinaldesi, Valeria
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/253719

A non-local probabilistic method for modeling of crack propagation
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
Autore/i: Gironacci, Elia; Mousavi Nezhad, Mohaddeseh; Rezania, Mohammad; Lancioni, Giovanni
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/254331

Fracture mechanisms in FRCM systems: Experiments and variational modeling
AIMETA 2017 - Proceedings of the 23rd Conference of the Italian Association of Theoretical and Applied Mechanics
Autore/i: Lancioni, G.; Donnini, J.
Editore: Centro Servizi d'Ateno srl
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/258227

Feasibility Study of a Table Prototype Made of High-Performance Fiber-Reinforced Concrete
TECHNOLOGIES
Autore/i: Baioni, Elisa; Alessi, Roberto; Corinaldesi, Valeria; Lancioni, Giovanni; Rizzini, Robin
Classificazione: 1 Contributo su Rivista
Abstract: The challenging and innovative idea of realizing a table totally made of fiber-reinforced concrete is explored through an interdisciplinary research activity, where contributions coming from different fields (design, material science, experimental testing, numerical modeling) are combined. The paper describes the different phases of the study, starting from the design of the table, moving through the development of a purpose-made high-performance fiber-reinforced concrete and the mechanical characterization via experimental testing, and concluding with numerical modeling. Numerical results are determined by implementing a damage plasticity constitutive model in a finite element code. The mechanical response of the table has been analyzed for different loading and boundary conditions, and an exhaustive and complete picture of the possible failure mechanisms has been drawn. Simulations have clearly described the different stress-softening processes of damage evolution and plastic strains localization, pointing out the vulnerable parts of the table. Finally, strategies for improving the table mechanical performances are discussed.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/250050

Bond behavior of FRCM carbon yarns embedded in a cementitious matrix: Experimental and numerical results
Mechanics of Masonry Structures Strengthened with Composite Materials II
Autore/i: Donnini, Jacopo; Lancioni, Giovanni; Bellezze, Tiziano; Corinaldesi, Valeria
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/252864

A variational model for determining fracture modes in FRCM Systems
PROCEDIA STRUCTURAL INTEGRITY
Autore/i: Lancioni, Giovanni; Donnini, Jacopo; Corinaldesi, Valeria
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/247560

Fabric-reinforced cementitious matrix behavior at high-temperature: Experimental and numerical results
COMPOSITES. PART B, ENGINEERING
Autore/i: Donnini, Jacopo; De Caso y. Basalo, Francisco; Corinaldesi, Valeria; Lancioni, Giovanni; Nanni, Antonio
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/238683

A phase-field variational approach to model the fracture mechanisms of fabric-reinforced cementitious matrices
ICF 2017 - 14th International Conference on Fracture
Autore/i: Lancioni, G.; Donnini, J.
Editore: International Conference on Fracture
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/268383

Epistemic Uncertainties in Structural Modeling: A Blind Benchmark for Seismic Assessment of Slender Masonry Towers
JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES
Autore/i: Bartoli, Gianni; Betti, Michele; Biagini, Paolo; Borghini, Andrea; Ciavattone, Alberto; Girardi, Maria; Lancioni, Giovanni; Marra, Antonino Maria; Ortolani, Barbara; Pintucchi, Barbara; Salvatori, Luca
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/248503

Dynamics of windscreen wiper blades: Squeal noise, reversal noise and chattering
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Autore/i: Lancioni, Giovanni; Lenci, Stefano; Galvanetto, Ugo
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/236479

Localized Versus Diffuse Damage: A Variational Approach
AIP Conference Proceedings
Autore/i: Lancioni, Giovanni; Corinaldesi, Valeria
Editore: AIP Publishing
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/238849

Seismic vulnerability of ancient stone arches by using a numerical model based on the Non-Smooth Contact Dynamics method
ENGINEERING STRUCTURES
Autore/i: Lancioni, Giovanni; Gentilucci, Davide; Quagliarini, Enrico; Lenci, Stefano
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/236480

Modelling the non-smooth dynamics of windscreen wipers
Proceedings 11th International Conference on Engineering Vibration
Autore/i: Lancioni, Giovanni; Lenci, Stefano; Cocchi, Giammichele; Galvanetto, Ugo
Editore: Miha Boltežar, Janko Slavic, Marian Wiercigroch
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/233417

Rate-independent deformation patterning in crystal plasticity
Vols 651-653
Autore/i: Lancioni, Giovanni; Zitti, Gianluca; Yalcinkaya, Tuncay
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/229789

Energy based non-local plasticity models for deformation patterning, localization and fracture
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON. SERIES A
Autore/i: Lancioni, Giovanni; Yalcinkaya, Tuncay; Cocks, Alan
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/229791

Modelling the response of tensile steel bars by means of incremental energy minimization
JOURNAL OF ELASTICITY
Autore/i: Lancioni, Giovanni
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/229790

Effects of Underground Cavities on the Frequency Spectrum of Seismic Shear Waves
ADVANCES IN CIVIL ENGINEERING
Autore/i: Lancioni, Giovanni; Bernetti, Roberto; Quagliarini, Enrico; Tonti, Lucia
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/201110

Dynamics of the Roman Arches of Burnum using the Non-smooth Contact Dynamics Method
Proceedings of the Twelfth International Conference on Computational Structures Technology
Autore/i: Lancioni, Giovanni; Lenci, Stefano; Quagliarini, Enrico
Editore: Civil-Comp Press
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Abstract: The LMGC90 code is a discrete element numerical code, which implements the non-smooth contact dynamics method. In this paper, it was applied to the study of the dynamics of the roman arches of Burnum, in Croatia, with two main objectives: (i) to assess the stability of the two preserved arches against seismic events, and (ii) to investigate the causes of the collapse of the major arch, originally adjacent to the two actual arches, which occurred in the seventeenth century. An earthquake and a very strong wind ("bora" wind), as hypothesized by historical sources, have been considered as the two most probable failure causes.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/201112

Plastic Slip Patterns through Rate-Independent and Rate-Dependent Plasticity
17th Conference of the European Scientific Association on Material Forming, ESAFORM 2014
Autore/i: Lancioni, Giovanni; Tuncay, Yalcinkaya
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/201107

Energy-based Modeling of Localization and Necking in Plasticity
PROCEDIA MATERIALS SCIENCE
Autore/i: Tuncay, Yalcinkaya; Lancioni, Giovanni
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/201108

Rate-dependent and rate-independent plasticity models for slip-patterning and strain-localization
Memorie AIMETA 2013
Autore/i: Lancioni, Giovanni; Tuncay, Yalcinkaya
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/136465

Analisi della risposta sismica locale in presenza di strutture ipogee
Corinaldo sotterranea. Gli ipogei della città murata e la loro influenza sulla vulnerabilità del costruito storico
Autore/i: Lenci, Stefano; Quagliarini, Enrico; Tonti, Lucia; Lancioni, Giovanni; Bernetti, Roberto
Editore: Aracne Editore srl
Classificazione: 2 Contributo in Volume
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/201111

Dynamics and failure mechanisms of ancient masonry churches subjected to seismic actions by using the NSCD method: the case of the medieval church of S. Maria in Portuno
ENGINEERING STRUCTURES
Autore/i: Lancioni, Giovanni; Piattoni, Quintilio; Lenci, Stefano; Quagliarini, Enrico
Classificazione: 1 Contributo su Rivista
Abstract: The Non-Smooth Contact Dynamics method (NSCD), implemented in the LMGC90 code, has been applied to the study of the seismic response of a medieval church, the S. Maria in Portuno’s Church at Corinaldo (AN, Italy). According to this model, the church masonry has been modelled as a system of rigid blocks, whose sliding motions are governed by the Signorini’s impenetrability condition and by the dry-friction Coulomb’s law. The NSCD method has proved to be a powerful tool for investigating the dynamics induced by ground seismic accelerations. Indeed the numerical results have given a deep insight into the seismic vulnerability of the church, highlighting several possible failure mechanisms. Moreover, the influence of the friction coefficient, which is related to the quality of the mortar, and the effects of connections between adjacent walls have been investigated.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/152903

A diffuse cohesive energy approach to fracture and plasticity: the one-dimensional case
JOURNAL OF MECHANICS OF MATERIALS AND STRUCTURES
Autore/i: Gianpietro Del, Piero; Lancioni, Giovanni; Riccardo, March
Classificazione: 1 Contributo su Rivista
Abstract: In the fracture model presented in this paper, the basic assumption is that the energy is the sum of two terms, one elastic and one cohesive, depending on the elastic and inelastic part of the deformation, respectively. Two variants are examined: a local model, and a nonlocal model obtained by adding a gradient term to the cohesive energy. While the local model only applies to materials which obey Drucker’s postulate and only predicts catastrophic failure, the nonlocal model describes the softening regime and predicts two collapse mechanisms, one for brittle fracture and one for ductile fracture. In its nonlocal version, the model has two main advantages over the models existing in the literature. The first is that the basic elements of the theory (the yield function, hardening rule, and evolution laws) are not assumed, but are determined as necessary conditions for the existence of solutions in incremental energy minimization. This reduces to a minimum the number of independent assumptions required to construct the model. The second advantage is that, with appropriate choices of the analytical shape of the cohesive energy, it becomes possible to reproduce, with surprising accuracy, a large variety of observed experimental responses. In all cases, the model provides a description of the entire evolution, from the initial elastic regime to final rupture.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/136464

High-order Absorbing Boundary Conditions and Perfectly Matched Layers for cables and beams laid on elastic supports
Proceedings 6-th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012)
Autore/i: Lancioni, Giovanni
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/83750

The NSCD method to analyze the dynamics of ancient masonry churches under seismic loadings
Proceedings 4th IEEE International Conference on Nonlinear Science and Complexity
Autore/i: Lancioni, Giovanni; Lenci, Stefano; Piattoni, Quintilio
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/83749

Numerical comparison of high-order absorbing boundary conditions and perfectly matched layers for a dispersive one-dimensional medium
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Autore/i: Lancioni, Giovanni
Classificazione: 1 Contributo su Rivista
Abstract: High-order absorbing boundary conditions (ABC) and perfectly matched layers (PML) are two powerful methods to numerically solve wave problems in unbounded domains. The aim of the proposed study is to analyze and compare the performance of these methods in the one-dimensional problem governed by the dispersive wave equation. The PMLs proposed in literature for time-harmonic dynamics are applied to time-dependent wave problems, and linear, quadratic and cubic polynomial stretching functions are considered. The resulting PMLs exhibit a double absorbing action: (i) they reduce the amplitude of the incident waves and (ii) they delay the wave propagation. Then the ABC proposed by Givoli and Neta and those proposed by Hagstrom, Mar-Or and Givoli are considered. The former are a reformulation of the Higdon high-order non-reflecting boundary conditions, the latter improve the Higdon conditions and extend them to take into account evanescent waves. The accuracy of the PMLs and ABCs, implemented in a finite element code, is first investigated with respect to the frequency of the incident wave, being it progressive or evanescent. Then the response to a wave train characterized by a broad frequency spectrum, resulting from an impulsive force, is studied. A detailed analysis is performed to detect the influence of the parameters of both the ABCs and the PMLs on the absorption of waves. The performances of PMLs and ABCs are compared, and merits and drawbacks of the two methods are pointed out.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/66290

Diffuse cohesive energy in plasticity and fracture
TECHNISCHE MECHANIK
Autore/i: G., Del Piero; Lancioni, Giovanni; R., March
Classificazione: 1 Contributo su Rivista
Abstract: In this paper we anticipate some results of a work in progress (Del Piero et al., 2012), in which the phenomena of fracture and yielding are described by a cohesive energy model, and fracture is regarded as a consequence of an extreme localization of the inelastic deformation. We first study a local model, which is successful in describing a number of aspects of the experimentally observed response, but fails to describe the phenomenon of strain softening. Indeed the model’s prediction is that, just after its appearance, the inelastic deformation localizes, growing in an uncontrolled way and determining a catastrophic rupture. A more gradual growth is obtained by introducing a non-local energy term. Some numerical experiments show the great flexibility of the improved model: depending on the analytical shape assumed for the cohesive energy, the non-local model describes different types of response, such as yielding without fracture, ductile fracture with and without strain softening, and brittle fracture.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/70872

On the performances of high-order absorbing boundary conditions for progressive and standing waves
proceedings ASME 2010 International Mechanical Engineering Congress and Exposition
Autore/i: Lancioni, Giovanni; Lenci, Stefano
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/46304

The variational theory of fracture: diffuse cohesive energy and elastic-plastic rupture
FRATTURA E INTEGRITÀ STRUTTURALE
Autore/i: G., Del Piero; Lancioni, Giovanni; R., March
Classificazione: 1 Contributo su Rivista
Abstract: This communication anticipates some results of a work in progress [1], addressed to explore the efficiency of the diffuse cohesive energy model for describing the phenomena of fracture and yielding. A first local model is partially successful, but fails to reproduce the strain softening regime. A more robust non-local model, obtained by adding an energy term depending on the deformation gradient, describes many typical features of the inelastic response observed in experiments, including strain localization and necking. Fracture occurs as the result of extreme strain localization. The model predicts different fracture modes, brittle and ductile, depending on the analytical form of the cohesive energy function.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/70871

The variational theory of fracture: diffuse cohesive energy and elastic-plastic rupture
Proceedings Convegno Nazionale IGF XXI
Autore/i: Del Piero, G.; Lancioni, Giovanni; March, R.
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/66350

Non-smooth systems in civil engineering: an application to an historical church
Autore/i: Lenci, Stefano; Piattoni, Quintilio; Lancioni, Giovanni; Quagliarini, Enrico
Classificazione: 5 Altro
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/81371

Numerical results of a cohesive energy model for plasticity and fracture
Proceedings XX Congresso AIMETA di Meccanica Teorica e Applicata
Autore/i: Del Piero, G.; Lancioni, Giovanni; March, R.
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/66336

Dynamics of incoherent elastic layers
EUROPEAN JOURNAL OF MECHANICS. A, SOLIDS
Autore/i: Lancioni, Giovanni
Classificazione: 1 Contributo su Rivista
Abstract: A transversely isotropic plate is said incoherent when the transverse isotropy material axis is at an angle with the geometrical axis orthogonal to the plate cross section. In this paper two plate theories for the free-vibration of such plates are formulated. These theories are based on two different representations for the displacement field, both consisting in first-order polynomials in an axial coordinate along, respectively, the material axis and the geometrical axis. The effects of incoherence on free-wave propagation are investigated in a three-dimensional layer, and the results are used as a benchmark to test the accuracy of the two plate theories.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/66289

Nonlinear resonances in infinitely long 1D continua on a tensionless substrate
NONLINEAR DYNAMICS
Autore/i: Demeio, Lucio; Lancioni, Giovanni; Lenci, Stefano
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/57601

Resonances in an infinitely long cable on a tensionless non-smooth foundation: a numerical analysis
Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Autore/i: Demeio, Lucio; Lancioni, Giovanni; Lenci, Stefano
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/66338

Numerical results from different variational theories of fracture
Workshop Problematiche di Frattura nei Materiali per l’Ingegneria, Aspetti teorici e risvolti applicativi
Autore/i: Lancioni, Giovanni
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/47209

Numerical variational models for fracture mechanics
Proceedings Third Euro Mediterranean Symposium On Advances in Geomaterials and Structures
Autore/i: Lancioni, Giovanni
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/47210

Dynamics of a semi-infinite beam on unilateral springs: Touch-down points motion and detached bubbles propagation
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Autore/i: Lancioni, Giovanni; Lenci, Stefano
Classificazione: 1 Contributo su Rivista
Abstract: The dynamics of a semi-infinite Bernoulli–Euler beam laid on a bed of unilateral elastic springs is governed by a moving-boundary problem, since the positions of the touch-down points, those points which separate the detached beam parts from the laid ones, are unknown. This problem is solved numerically by means of a self-made finite element code and some numerical results are shown and discussed. The nonlinear and non-smooth effects of the touch-down points motion on the beams dynamics are analyzed. The presence of detached bubbles, which appear, propagate and disappear in the beam, is investigated, and new complex motions are highlighted.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/50756

Propagation of detached bubbles in a semi-infinite beam laid on a unilateral elastic support
Atti XIX Congresso AIMETA
Autore/i: Lancioni, Giovanni
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/46881

Non-linear dynamics of a mechanical system with a frictional unilateral constraint
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Autore/i: Lancioni, Giovanni; Lenci, Stefano; Galvanetto, U.
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/51272

The Variational Approach to Fracture Mechanics. A Practical Application to the French Panthéon in Paris
JOURNAL OF ELASTICITY
Autore/i: Lancioni, Giovanni; ROYER CARFAGNI, G.
Classificazione: 1 Contributo su Rivista
Abstract: Recently, Francfort and Marigo (J. Mech. Phys. Solids 46, 1319–1342, 1998) have proposed a novel approach to fracture mechanics based upon the global minimization of a Griffith-like functional, composed of a bulk and a surface energy term. Later on the same authors, together with Bourdin, introduced (in J. Mech. Phys. Solids 48, 797–826, 2000) a variational approximation (in the sense of -convergence) of such functional, essentially for computational purposes. Here, we utilize this new variational approach to show how it might be altered to incorporate the idea of less brittle, “deviatoric-type fracture” and apply to materials such as confined stone. To do so, we modify the original formulation of Francfort and Marigo, in particular its approximation of Bourdin, Francfort and Marigo, to only allow for discontinuities in the deviatoric part of the strain. We apply such modified model to gain insight on the deterioration and cracking in the ashlar masonry work of the French Panthéon, which are so repetitious and particular to be a distinguishable symptom of ongoing damage. Numerical experiments are performed and the results compared to those obtained using the original Francfort-Marigo model and to actual crack patterns from the Panthéon. The modified formulation allows one to reproduce fracture paths surprisingly similar to that observed in situ, to sort out the possible causes of damage, and to confirm, with a quantitative analysis, the main structural deficiencies in the French monument. This practical example enhances the importance of this promising new theory based in the mathematical sciences.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/36217

Numerical analysis of a frictional impact oscillator
Sixth EUROMECH Nonlinear Dynamics Conference
Autore/i: Lancioni, Giovanni; Lenci, Stefano; U., Galvanetto
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/47208

A Numerical Analysis of the Nonlinear Dynamics of a Semi-Infinite Beam Laid on an Unilateral Elastic Support
Proc. of Euromech Colloquium 498 “Nonlinear Dynamics of Composites and Smart Structures”
Autore/i: Lancioni, Giovanni; Lenci, Stefano
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/53668

The dynamics of a 2-dof system constrained by a frictional mono-lateral surface
Proc. of EUROMECH Colloquium 483 “Geometrically Non-linear Vibrations of Structures”
Autore/i: Galvanetto, U; Lancioni, Giovanni; Lenci, Stefano
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/52331

A revisited model for crack evolution in quasi-brittle materials. An application to the French Panthéon in Paris
Atti XVIII Congresso AIMETA
Autore/i: Lancioni, Giovanni; ROYER CARFAGNI, G.
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/47206

A Variational Model for Fracture Mechanics: Numerical Experiments
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
Autore/i: DEL PIERO, G; Lancioni, Giovanni; March, R.
Classificazione: 1 Contributo su Rivista
Abstract: In the variational model for brittle fracture proposed in Francfort and Marigo [1998. Revisiting brittle fracture as an energy minimization problem. J. Mech. Phys. Solids 46, 1319–1342], the minimum problem is formulated as a free discontinuity problem for the energy functional of a linear elastic body. A family of approximating regularized problems is then defined, each of which can be solved numerically by a finite element procedure. Here we re-formulate the minimum problem within the context of finite elasticity. The main change is the introduction of the dependence of the strain energy density on the determinant of the deformation gradient. This change requires new, more general existence and Gamma-convergence results. The results of some two-dimensional numerical simulations are presented, and compared with corresponding simulations made in Bourdin et al. [2000. Numerical experiments in revisited brittle fracture. J. Mech. Phys. Solids 48, 797–826] for the linear elastic model.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/36215

Forced nonlinear oscillations of a semi-infinite beam resting on a unilateral elastic soil: analytical and numerical solutions
JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS
Autore/i: Lancioni, Giovanni; Lenci, Stefano
Classificazione: 1 Contributo su Rivista
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/50650

A variational model for fracture mechanics
Autore/i: G., Del Piero; Lancioni, Giovanni; R., March
Classificazione: 5 Altro
Abstract: Proceedings 5-th International Congress of Croatian Society of Mechanics, Seget Donji, Trogir/Split, Croatia, September 21-23, 2006
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/57272

A variational model for fracture mechanics
Proceedings 5-th International Congress of Croatian Society of Mechanics
Autore/i: G., Del Piero; Lancioni, Giovanni; R., March
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/83752

The nonlinear dynamical problem of a semi-infinite beam on unilateral Winkler soil: analytical vs numerical solutions
Proceedings of Third International Conference on Advances in Mechanical Engineering and Mechanics
Autore/i: Lancioni, Giovanni; Lenci, Stefano
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/52889

Theoretical Prediction of the Crack Paths in the Damaged Ashlars of the French Panthéon
Proceedings International Conference on CRACK PATHS
Autore/i: Lancioni, Giovanni; Royer Carfagni, G. F.
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/66352

A variational model for fracture mechanics: a finite element algorithm and numerical simulations
International Conference on Advances in Mechanical Engineering and Mechanics
Autore/i: DEL PIERO, G; Lancioni, Giovanni; March, R.
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/46840

An analytical and numerical study of the nonlinear dynamics of a semi-infinite beam on unilateral Winkler soil
VII World Congress on Computational Mechanics
Autore/i: Lancioni, Giovanni
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/46839

Elastic Plates with Weakly Incoherent Response
Mechanical Modelling and Computational Issues in Civil Engineering
Autore/i: Lancioni, Giovanni
Editore: Springer
Classificazione: 2 Contributo in Volume
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/41237

A numerical model for the nonlinear dynamics of a semi-infinite beam on unilateral Winkler soil
XVII Congresso AIMeTA
Autore/i: Lancioni, Giovanni; Lenci, Stefano; Callegari, Massimo
Editore: Firenze University Press
Luogo di pubblicazione: Firenze
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Abstract: Sommario su carta ed Atti su CD
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/45538

Flexure waves in electroelastic plates
Novel Approaches in Civil Engineering
Autore/i: Lancioni, Giovanni; Tomassetti, G.
Editore: Springer
Classificazione: 2 Contributo in Volume
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/41236

Free waves in incoherent slabs
THEORIES OF PLATES AND SHELLS: CRITICAL REVIEW AND NEW APPLICATIONS
Autore/i: Lancioni, Giovanni
Editore: SPRINGER-VERLAG BERLIN, HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
Classificazione: 4 Contributo in Atti di Convegno (Proceeding)
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/46837

Flexure waves in electroelastic plates
WAVE MOTION
Autore/i: Lancioni, Giovanni; Tomassetti, G.
Classificazione: 1 Contributo su Rivista
Abstract: The near-cutoff propagation of free waves of flexure in a transversely isotropic, linearly electroelastic plate is studied, in two cases: for the simplest kinematics, when both the mechanical displacement and the electric potential are taken linear in the thickness variable; and for the enriched, third-order kinematics. The dispersion curves are four in the second case, only two in the first. By a comparison with the first four dispersion curves obtained by solving the corresponding three-dimensional problem, it is shown that perhaps the most definite advantage of adopting an enriched kinematics is a better approximation of the low-cutoff curves.
Scheda della pubblicazione: https://iris.univpm.it/handle/11566/36213