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Nonlocal interface mechanical model

机译:非局部界面力学模型

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摘要

The paper presents a nonlocal elastic damage-frictional interface model. The reason to introduce nonlocal mechanical features inside the constitutive relations is justified by the fact that there are several circumstances, in which the interface displays inside an extended process zone with microstructural spatial interactions. Typically, spatial bridging mechanical effects can be effectively modeled by integral (strongly nonlocal) stress-strain relations. The paper develops an elastic nonlocal model with local isotropic damage and the relations are constructed following a thermodynamical consistent approach.
机译:本文提出了一种非局部弹性损伤摩擦界面模型。之所以在本构关系内引入非局部机械特征,是因为在多种情况下,界面在具有微观结构空间相互作用的扩展过程区域内显示,这是有道理的。通常,空间桥接机械效应可以通过整体(强烈非局部)应力-应变关系有效地建模。本文建立了具有局部各向同性损伤的弹性非局部模型,并根据热力学一致方法建立了关系。

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