Edge-based finite element techniques for non-linear solid mechanics problems

被引：18

作者：

Coutinho, ALGA

Martins, MAD

Alves, JLD

Landau, L

Moraes, A

机构：

[1] Univ Fed Rio de Janeiro, Dept Civil Engn, COPPE, Lab Comp Methods Engn, BR-21945970 Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro, COPPE, Ctr Parallel Comp, BR-21945970 Rio De Janeiro, Brazil

[3] SETEX, DIVEX, CENPES, PETROBRAS, BR-21949900 Rio De Janeiro, Brazil

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2001年 / 50卷 / 09期

关键词：

edge-based data structures; inexact Newton methods; finite elements; solid mechanics;

D O I：

10.1002/nme.107

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Edge-based data structures are used to improve computational efficiency of inexact Newton methods for solving finite element non-linear solid mechanics problems on unstructured meshes. Edge-based data structures are employed to store the stiffness matrix coefficients and to compute sparse matrix-vector products needed in the inner iterative driver of the inexact Newton method. Numerical experiments on three-dimensional plasticity problems have shown that memory and computer time are reduced, respectively, by factors of 4 and 6, compared with solutions using element-by-element storage and matrix-vector products. Copyright (C) 2001 John Wiley & Sons, Ltd.

引用

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页码：2053 / 2068

页数：18

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