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PMMH’s weekly seminar is held every Friday at 11 am (map)
Sylvain Patinet
Stéphane Perrard
Etienne Reyssat
Virgile Thiévenaz
PMMH
BARRE CASSAN
BAT A 1ER ETAGE CASE 18
7 QUAI SAINT BERNARD
75005 PARIS
France
Tel : (33) 1 40 79 45 22
Séminaire PMMH - Nino Araújo (Universidade de Lisboa, Portugal)
Self-folding kirigami at the microscale
Three-dimensional shells can be obtained from the spontaneous self-folding of two-dimensional templates of interconnected panels, called nets. To design self-folding, one first needs to identify what are the nets that fold into the desired structure. In principle, different nets can fold into the same three-dimensional structure. However, recent experiments and numerical simulations show that the stochastic nature of folding might lead to misfolding and so, the probability for a given net to fold into the desired structure (yield) depends strongly on the topology of the net and experimental conditions. Here we discuss ongoing efforts to establish a relation between the structural features of the nets and their folding time and probability of misfolding.
References
[1] N.A.M. Araújo, R.A. da Costa, S.N. Dorogovtsev, J.F.F. Mendes, Phys. Rev. Lett. 120 (2018) 188001.
[2] H.P.M. Melo, C.S. Dias, N.A.M. Araújo, Comm. Phys. 3 (2020) 154.
[3] M.P. Bambic, N.A.M. Araújo, B.J. Walker, D.R. Hewitt, Q.X. Pei, R. Ni, G. Volpe, Soft Matter 20 (2024) 1114.
[4] D.E.P. Pinto, N.A.M. Araújo, P. Sulc, J. Russo, Phys. Rev. Lett. 132 (2024) 118201.
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The audience is composed of people with rather heterogeneous backgrounds including specialists in solids, fluids, granular flows, statistical physics... so the idea is to keep your talk understandable by people not necessarily working in your field... The seminar time slot runs from 11am to noon so the best is to make the talk last around 45 minutes to leave some time for discussion.
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