Identification of material properties of composite plates using Fourier-generated frequency response functions

被引：19

作者：

Tam, Jun Hui ^{[1
]}

Ong, Zhi Chao ^{[1
]}

Lau, Chun Lek ^{[1
]}

Ismail, Zubaidah ^{[2
]}

Ang, Bee Chin ^{[1
]}

Khoo, Shin Yee ^{[1
]}

机构：

[1] Univ Malaya, Fac Engn, Dept Mech Engn, Kuala Lumpur 50603, Malaysia

[2] Univ Malaya, Fac Engn, Dept Civil Engn, Kuala Lumpur, Malaysia

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2019年 / 26卷 / 02期

关键词：

Frequency Response Function (FRF); hybrid algorithm; material identification; mode shape; natural frequency; ELASTIC-CONSTANTS; PARAMETER-ESTIMATION; ORTHOTROPIC PLATES; GRADIENT OPTIMIZATION; SYSTEM-IDENTIFICATION; GENETIC ALGORITHM; MODAL-ANALYSIS;

D O I：

10.1080/15376494.2017.1365980

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present research adopts the use of Fourier-based plate model to synthesize FRFs for its proven prominent accuracy and incorporates with a hybrid optimization algorithm. The effectiveness of FRF error function in material identification consists in the trade-off range between those of natural frequency error function and mode shape error function with about 7% reduction in absolute relative error of the evaluated elastic moduli and shear modulus with respect to those of mode shape error function as well as approximately 25% reduction in absolute relative error of the identified Poisson's ratio with respect to that of natural frequency error function.

引用

页码：119 / 128

页数：10

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