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Elastic as Limit of Viscoelastic Response, in a Context of Self-Similar Viscous Limits.

机译:弹性作为粘弹性响应的极限,在自相似粘性极限的背景下。

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摘要

We study the equations of one-dimensional isothermal elastic response as the small viscosity limit of the equations of viscoelasticity, in a context of self-similar viscous limits for Riemann data. THe limiting procedure is justified and a solution of the Riemann problem for the equations of elasticity is obtained. The emerging solution is composed of two wave fans, each consisting of rarefactions, shocks and contact discontinuities, separated by constant states. At shocks the self-similar viscous solution has the internal structure of traveling waves, and an admissibility criterion identified by Wendroff is fulfilled.

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