Compression-controlled dynamic buckling in thin soft sheets

Jain, H. and Ghosh, S. and Sahu, K.C (2021) Compression-controlled dynamic buckling in thin soft sheets. Physical Review E (PRE) (L03300). ISSN 24700045

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We investigate experimentally the dynamic phase transition from compressed to buckled phases for thin sheets of rubber. We find that the rubber strips enter a highly compressed, metastable state when compression speed is high. During the compressed phase, higher modes grow, followed by mode coarsening. Mode growth is accompanied by an expansion of length while the system is still being compressed. We measure the forces and length of the sheet to confirm this, and we develop a mechanism for how modes grow and coarsen during dynamical buckling. The influence of crucial control parameters in the experiments, such as the material cross section and compression speed, on the buckling dynamics, are explained theoretically.

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IITH Creators:
IITH CreatorsORCiD
Sahu, Kirti Chandra
Item Type: Article
Uncontrolled Keywords: Compression speed, Control parameters, Controlled dynamics, Dynamic phase transition, Higher mode, Meta-stable state, Soft sheets, Thin sheet
Subjects: Chemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Mrs Haseena VKKM
Date Deposited: 24 Nov 2021 06:52
Last Modified: 18 Feb 2022 08:57
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