NONLINEAR ELASTIC PROPERTIES OF STRUCTURALLY INHOMOGENEOUS MATERIALS - A NUMERICAL EXPERIMENT

被引：0
|
作者：
BOGDANOV, AN
SKVORTSOV, AT
机构：
来源：
ACOUSTICAL PHYSICS | 1994年 / 40卷 / 01期
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中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The nonlinear elastic properties of a structurally inhomogeneous medium were investigated in a numerical experiment. A network of masses (nodes) connected by nonlinear springs was used as a model of such a medium. Expressions for the linear and nonlinear coefficients of elasticity and the second and third order nonlinearity parameters were obtained as functions of defect concentrations (number of lacking nodes) for two-dimensional triangular and hexagonal networks. The scaling behavior of nonlinear elasticity coefficients is investigated near the percolation point, where all elasticity coefficients vanish.
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页码：22 / 24
页数：3
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