Updating Stiffness and Hysteretic Damping Matrices Using Measured Modal Data-Reference-Cited by-同舟云学术

Updating Stiffness and Hysteretic Damping Matrices Using Measured Modal Data

Published:2018 Issue: Volume:2018 Page:1-7
ISSN:1070-9622
Container-title:Shock and Vibration
language:en
Short-container-title:Shock and Vibration

Author:

Jiang Jiashang¹^ORCID,Yuan Yongxin²^ORCID

Affiliation:

1. School of Science, Jiangsu University of Science and Technology, Zhenjiang 212003, China

2. School of Mathematics and Statistics, Hubei Normal University, Huangshi 435002, China

Abstract

A new direct method for the finite element (FE) matrix updating problem in a hysteretic (or material) damping model based on measured incomplete vibration modal data is presented. With this method, the optimally approximated stiffness and hysteretic damping matrices can be easily constructed. The physical connectivity of the original model is preserved and the measured modal data are embedded in the updated model. The numerical results show that the proposed method works well.

Publisher

Hindawi Limited

Subject

Mechanical Engineering,Mechanics of Materials,Geotechnical Engineering and Engineering Geology,Condensed Matter Physics,Civil and Structural Engineering

Link

http://downloads.hindawi.com/journals/sv/2018/3727021.pdf

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