保持Jacobian正性的径向多凸弹性力学的变分逼近格式
A variational approximation scheme for radial polyconvex elasticity that preserves the positivity of Jacobians
摘要:
我们考虑描述各向同性弹性材料径向运动动力学的方程,这些方程形成了一个非齐次守恒律系统。我们构建了一个变分近似方案,减少总机械能,并在同一时间导致物理上可实现的运动,避免相互渗透的物质。
英文摘要:
We consider the equations describing the dynamics of radial motions for isotropic elastic materials; these form a system of non-homogeneous conservation laws. We construct a variational approximation scheme that decreases the total mechanical energy and at the same time leads to physically realizable motions that avoid interpenetration of matter.
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