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Talk:Elasticity tensor

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This is an old revision of this page, as edited by 2a00:20:c060:b9de:cd1f:ef1f:7a43:2ae7 (talk) at 06:27, 24 May 2023 (→Elasticity tensor is perfectly valid for non-linear materials: new section). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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Elasticity tensor is perfectly valid for non-linear materials

The first sentence is misleading. The elasticity tensor can be defined as the second derivative of the stored energy function with respect to strain. This quantity is well defined for any twice differentiable stored/free energy function. It need not be quadratic in strain, i.e. the material need not be linear elastic. 2A00:20:C060:B9DE:CD1F:EF1F:7A43:2AE7 (talk) 06:27, 24 May 2023 (UTC)[reply]

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