A Correlation Improvement Technique for Model Updating of Structures

被引：5

作者：

Altunel, Fatih ^{[1
]}

Celik, Mehmet ^{[2
]}

Caliskan, Mehmet ^{[3
]}

机构：

[1] Proino Inc, Bilkent Cyberpk, TR-06800 Ankara, Turkey

[2] KTO Karatay Univ, Fac Engn, Konya, Turkey

[3] Middle East Tech Univ, Dept Mech Engn, Ankara, Turkey

来源：

INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS | 2016年 / 16卷 / 08期

关键词：

Model updating; experimental modal analysis; helicopter FEM analysis; modal assurance criterion;

D O I：

10.1142/S0219455415500492

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study proposes a new correlation improvement technique for the optimum node removal location to get improved modal assurance criterion (MAC) matrix. The technique is applied to updating of the finite element model (FEM) of a structure. The developed routine is tried on a utility helicopter. It is proven that it is capable of showing better performance than the coordinate MAC (coMAC), commonly used in such analyses. Commercial software is utilized for the finite element analysis of the helicopter fuselage and tail. Experimental modal analyses are also performed for updating the model for tail of the helicopter to demonstrate the effectiveness of the new technique.

引用

页数：19

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