A viscoelastic damage model for polycrystalline ice, inspired by Weibull-distributed fiber bundle models. Part II: Thermodynamics of a rank-4 damage model
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- 作者：Arne Keller (1)
Kolumban Hutter (1) - 关键词：Damage mechanics ; Delayed elastic response ; Nonlinear viscous heat conducting fluid ; Polycrystalline ice
- 刊名：Continuum Mechanics and Thermodynamics
- 出版年：2014
- 出版时间：November 2014
- 年：2014
- 卷：26
- 期：6
- 页码：895-906
- 全文大小：218 KB
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1. Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH Zurich, Wolfgang-Pauli-Str. 27, 8093, Zurich, Switzerland - ISSN：1432-0959
文摘
We consider a viscoelastic–viscoplastic continuum damage model for polycrystalline ice. The focus lies on the thermodynamics particularities of such a constitutive model and restrictions on the constitutive theory which are implied by the entropy principle. We use Müller’s formulation of the entropy principle, together with Liu’s method of exploiting it with the aid of Lagrange multipliers.