GENERIC ELEMENT MATRICES SUITABLE FOR FINITE-ELEMENT MODEL UPDATING

被引：68

作者：

GLADWELL, GML

AHMADIAN, H

机构：

[1] Solid Mechanics Division, Faculty of Engineering, University of Waterloo, Waterloo, ON

[2] Department of Mechanical Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON

来源：

MECHANICAL SYSTEMS AND SIGNAL PROCESSING | 1995年 / 9卷 / 06期

关键词：

D O I：

10.1006/mssp.1995.0045

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Updating procedures are concerned with the construction of mass, stiffness and (possibly) damping matrices, near to some base matrices, which yield some response data close to some experimental values. One of the fundamental questions in updating relates to the criteria for allowable mass and stiffness matrices. In practice the updated matrices are often not physically meaningful. In this paper we start from the element level and consider what criteria must be satisfied by the element mass and stiffness matrices, and thus what parameters there are which can be optimised in the updating. We show that the recognised matrices appearing in special finite element formulations are members of families which may be obtained, in a logical manner, by applying these criteria. (C) 1995 Academic Press Limited.

引用

页码：601 / 614

页数：14

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