Zobrazeno 1 - 10
of 331
pro vyhledávání: '"Tournat, Vincent"'
Since the discovery of topological modes in idealized ball-and-spring kagome lattices, significant efforts have been devoted to realizing mechanical analogues of these ideal lattices via practical fabrication techniques. While numerical and experimen
Externí odkaz:
http://arxiv.org/abs/2410.04494
Autor:
Li, Changxiu, Chigarev, Nikolay, Thréard, Théo, Zhang, Kedong, Delorme, Nicolas, Tournat, Vincent, Raetz, Samuel, Lu, Hong, Gusev, Vitalyi E.
Publikováno v:
ACS Nano 18, 9331 (2024)
Surface acoustic waves (SAWs) convey energy at subwavelength depths along surfaces. Using interdigital transducers (IDTs) and opto-acousto-optic transducers (OAOTs), researchers have harnessed coherent SAWs with nanosecond periods and micrometer loca
Externí odkaz:
http://arxiv.org/abs/2410.00842
In this paper, we employ a combination of analytical and numerical techniques to investigate the dynamics of lattice envelope vector soliton solutions propagating within a one-dimensional chain of flexible mechanical metamaterial. To model the system
Externí odkaz:
http://arxiv.org/abs/2406.09871
Autor:
Bordiga, Giovanni, Medina, Eder, Jafarzadeh, Sina, Boesch, Cyrill, Adams, Ryan P., Tournat, Vincent, Bertoldi, Katia
Harnessing the rich nonlinear dynamics of highly-deformable materials has the potential to unlock the next generation of functional smart materials and devices. However, unlocking such potential requires effective strategies to spatially design optim
Externí odkaz:
http://arxiv.org/abs/2403.08078
In this work, we show that collisions of one type of nonlinear wave can lead to generation of a different kind of nonlinear wave. Specifically, we demonstrate the formation of topological solitons (or transition waves) via collisions of elastic vecto
Externí odkaz:
http://arxiv.org/abs/2304.11246
In this work, we report observations of phase transitions in 2D multistable mechanical metamaterials that are initiated by collisions of soliton-like pulses in the metamaterial. Analogous to first-order phase transitions in crystalline solids, we exp
Externí odkaz:
http://arxiv.org/abs/2302.12097
Publikováno v:
J. Appl. Phys. 130, 040901 (2021)
Flexible mechanical metamaterials are compliant structures engineered to achieve unique properties via the large deformation of their components. While their static character has been studied extensively, the study of their dynamic properties is stil
Externí odkaz:
http://arxiv.org/abs/2302.10236
Autor:
Deng, Bolei, Shu, Hang, Li, Jian, Mo, Chengyang, Raney, Jordan R., Tournat, Vincent, Bertoldi, Katia
In this letter we investigate the propagation of nonlinear pulses along the free surface of flexible metamaterials based on the rotating squares mechanism. While these metamaterials have previously been shown to support the propagation of elastic vec
Externí odkaz:
http://arxiv.org/abs/2211.09934
In this paper, we study modulation instabilities (MI) in a one-dimensional chain configuration of a flexible mechanical metamaterial (flexMM). Using the lumped element approach, flexMMs can be modeled by a coupled system of discrete equations for the
Externí odkaz:
http://arxiv.org/abs/2211.08531
Autor:
Chen, Guangzhi, Abraham, Odile, Pageot, Damien, Durand, Olivier, Chekroun, Mathieu, Tournat, Vincent
Publikováno v:
In NDT and E International January 2024 141
