AN ADAPTIVE-CONTROL OF SPATIAL-TEMPORAL DISCRETIZATION ERROR IN FINITE-ELEMENT ANALYSIS OF DYNAMIC PROBLEMS

被引：6

作者：

CHOI, CK

CHUNG, HJ

机构：

[1] Korea Advanced Inst of Science and, Technology, Taejon

来源：

STRUCTURAL ENGINEERING AND MECHANICS | 1995年 / 3卷 / 04期

关键词：

ADAPTIVE ANALYSIS; DYNAMIC ANALYSIS; STRESS WAVE PROPAGATION; DISCRETIZATION ERROR; FINITE ELEMENT ANALYSIS; DIRECT TIME INTEGRATION; NEWMARK METHOD;

D O I：

10.12989/sem.1995.3.4.391

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The application of adaptive finite element method to dynamic problems is investigated. Both the kinetic and strain energy errors induced by space and time discretization were estimated in a consistent manner and controlled by the simultaneous use of the adaptive mesh generation and the automatic time stepping. Also an optimal ratio of spatial discretization error to temporal discretization error was discussed. In this study it was found that the best performance can be obtained when the specified spatial and temporal discretization errors have the same value. Numerical examples are carried out to verify the performance of the procedure.

引用

页码：391 / 410

页数：20

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