Deformation and short-term damage of physically nonlinear stochastic composites

被引：2

作者：

Khoroshun L.P. ^{[1
]}

Shikula E.N. ^{[1
]}

机构：

[1] S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kyiv 03057

来源：

International Applied Mechanics | 2009年 / 45卷 / 6期

关键词：

Composite material; Effective characteristics; Physical nonlinearity; Porosity; Short-term damage; Stochastic structure;

D O I：

10.1007/s10778-009-0217-4

中图分类号：

学科分类号：

摘要：

The studies on the deformation and short-term damage of physically nonlinear homogeneous and composite materials are systemized. A single microdamage is modeled by an empty quasispherical pore in place of a microvolume damaged in accordance with the Huber-von Mises failure criterion. The ultimate microstrength is assumed to be a random function of coordinates. The porosity balance equation is derived. Together with the macrostress-macrostrain relationship, it constitutes a closed-form system of equations. The damage-macrostrain relationship and macrostress-macrostrain curves for homogeneous and composite materials are analyzed. © 2009 Springer Science+Business Media, Inc.

引用

页码：613 / 634

页数：21

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