A constrained matrix least-squares problem in structural dynamics model updating

被引：3

作者：

Yuan, Quan ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Math, Nanjing 210016, Jiangsu, Peoples R China

来源：

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2015年 / 280卷

关键词：

Constrained matrix least-squares problem; Linear equation; Symmetric positive semidefiniteness; Sparsity; Alternating projection method; FINITE-ELEMENT MODEL; STIFFNESS; ADJUSTMENT; ALGORITHM; IDENTIFICATION; APPROXIMATION;

D O I：

10.1016/j.cam.2014.11.027

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

A constrained matrix least-squares problem in structural dynamics model updating is considered in this paper. Desired matrix properties, including the satisfaction of the linear equation, symmetric positive semidefiniteness and sparsity, are imposed as side constraints. Alternating projection method is applied to solve the constrained minimization problem. The results of the numerical examples show that the proposed method works well. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：367 / 376

页数：10

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