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PreprintCC BY-NC-SA 4.0arXiv

Compression-controlled dynamic buckling in thin soft sheets

  • Harsh Jain
  • Shankar Ghosh
  • Kirti Chandra Sahu
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Abstract

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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Cite

BibTeXRIS
BibTeX
@misc{jain2026compressioncontrolled,
  title = {{Compression-controlled dynamic buckling in thin soft sheets}},
  author = {Harsh Jain and Shankar Ghosh and Kirti Chandra Sahu},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.04416},
  eprint = {2610.04416},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.04416},
  note = {CC BY-NC-SA 4.0},
}
RIS
TY  - UNPB
TI  - Compression-controlled dynamic buckling in thin soft sheets
AU  - Harsh Jain
AU  - Shankar Ghosh
AU  - Kirti Chandra Sahu
PY  - 2026
DA  - 2026/10/03
PB  - arXiv
DO  - 10.48550/arxiv.2610.04416
UR  - https://arxiv.org/abs/2610.04416
AB  - 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.
ER  -