A weighted dual criterion of the equivalent linearization method for nonlinear systems subjected to random excitation

被引：7

作者：

Anh, N. D. ^{[1
,2
]}

Linh, N. N. ^{[3
]}

机构：

[1] VAST, Inst Mech, 264 Doi Can, Hanoi, Vietnam

[2] VNU Univ Engn & Technol, 144 Xuan Thuy Str, Hanoi, Vietnam

[3] Thuyloi Univ, 175 Tay Son, Hanoi, Vietnam

来源：

ACTA MECHANICA | 2018年 / 229卷 / 03期

关键词：

STOCHASTIC LINEARIZATION;

D O I：

10.1007/s00707-017-2009-y

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper introduces and discusses a weighted form of the dual mean-square error criterion by considering weighted contributions of forward and return replacements adjusted by a specific non-dimensional weight coefficient. The simplicity and accuracy of the proposed weighted dual equivalent linearization technique are checked on several random vibration systems in comparison with other criteria. It is shown that the corresponding accuracy can be significantly improved for a large range of nonlinearity of investigated vibration systems.

引用

页码：1297 / 1310

页数：14

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