均匀Cauchy应力下的超弹性体在非均匀有限变形诱导下的情况
Hyperelastic bodies under homogeneous Cauchy stress induced by non-homogeneous finite deformations
AI总结:
研究探讨了在各向同性非线性弹性中,均匀Cauchy应力是否意味着均匀应变的问题。通过详细计算,作者展示了一个非均匀连续变形但Cauchy应力恒定的例子,该例子来源于非秩一凸弹性能量。
摘要:
我们讨论在各向同性非线性弹性中,均匀Cauchy应力是否意味着均匀应变的问题。尽管在线性弹性中答案明确为肯定,但通过详细计算,我们展示了一个具有非均匀连续变形但Cauchy应力恒定的例子。该例子来源于非秩一凸弹性能量。
英文摘要:
We discuss whether homogeneous Cauchy stress implies homogeneous strain in isotropic nonlinear elasticity. While for linear elasticity the positive answer is clear, we exhibit, through detailed calculations, an example with inhomogeneous continuous deformation but constant Cauchy stress. The example is derived from a non rank-one convex elastic energy.
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