Microstructural Origin of Propagating Compaction Patterns in Porous Media
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2022-06-03
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Journal Article
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Abstract
Porous rocks, foams, cereals, and snow display a diverse set of common compaction patterns, including propagating or stationary bands. Although this commonality across distinct media has been widely noted, the patterns' origin remains debated-current models employ empirical laws for material-specific processes. Here, using a generic model of inelastic structured porous geometries, we show that the previously observed patterns can be attributed to a universal process of pore collapse. Furthermore, the pattern diversity can be mapped in a phase space of only two dimensionless numbers describing material strength and loading rate.
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published
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128 (22)
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228002
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American Physical Society
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09795 - Gaume, Johan / Gaume, Johan