3-DIMENSIONAL, NONLINEAR VISCOELASTIC ANALYSIS OF LAMINATED COMPOSITES

被引：33
|
作者：
KENNEDY, TC
WANG, M
机构：
[1] Department of Mechanical Engineering, Oregon State University, Corvallis
来源：
JOURNAL OF COMPOSITE MATERIALS | 1994年 / 28卷 / 10期
关键词：
NONLINEAR VISCOELASTICITY; FINITE ELEMENT METHOD; COMPOSITE LAMINATES; INTERLAMINAR STRESSES; 3-DIMENSIONAL;
D O I：
10.1177/002199839402801002
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
A three-dimensional finite element analysis treating the nonlinear viscoelastic response of laminated composites is presented. The individual plies in the laminate are modeled using 20-node isoparametric solid elements. The transient creep compliance in the viscoelastic model is represented as an exponential series plus a steady-flow term, which allows for a simplification of the numerical procedure for handling hereditary effects. Time-dependent stress and strain distributions are calculated for unnotched and notched laminates subjected to tensile loading or bending.
引用
收藏
页码：902 / 925
页数：24
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