Surface Furrowing Instability in Everting Soft Solids

Fuente: arXiv
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Autori principali: Hwang, Jonghyun, Altomare, Mariana, Stone, Howard A.
Natura: Preprint
Pubblicazione: 2024
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author Hwang, Jonghyun
Altomare, Mariana
Stone, Howard A.
author_facet Hwang, Jonghyun
Altomare, Mariana
Stone, Howard A.
contents We report a surface instability observed during the extrusion of extremely soft elastic solids in confined geometries. Due to their unique rheological properties, these soft solids can migrate through narrow gaps by continuously everting the bulk material. The extrusion front spontaneously buckles in the direction transverse to the flow, resulting in a furrow-like morphology that deepens over time. We characterize the distinct features of this instability using experiments and theory and contrast the results with known elastic surface instabilities. Our study may provide insights into various processes involving the extrusion-like deformations of soft solids, including biomaterials.
format Preprint
id arxiv_https___arxiv_org_abs_2410_14793
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Surface Furrowing Instability in Everting Soft Solids
Hwang, Jonghyun
Altomare, Mariana
Stone, Howard A.
Soft Condensed Matter
We report a surface instability observed during the extrusion of extremely soft elastic solids in confined geometries. Due to their unique rheological properties, these soft solids can migrate through narrow gaps by continuously everting the bulk material. The extrusion front spontaneously buckles in the direction transverse to the flow, resulting in a furrow-like morphology that deepens over time. We characterize the distinct features of this instability using experiments and theory and contrast the results with known elastic surface instabilities. Our study may provide insights into various processes involving the extrusion-like deformations of soft solids, including biomaterials.
title Surface Furrowing Instability in Everting Soft Solids
topic Soft Condensed Matter
url https://arxiv.org/abs/2410.14793