Application of Singular-Value Decomposition for Structural Modal Analysis

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概要

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• This paper presents the methods of singular-value decomposition and pseudoinverse to refine the original polyreference time domain (PRTD) modal parameter identification algorithm. The automatic determination of the number of physical modes over fate desired frequency range is strongly addressed. Meanwhile, distinguishing between the physical and computational modes is achieved through the modified modal assurance criterion. To evaluate the effectiveness of this method, two test cases were constructed. Verification results show that the current method yields a very good improvement of the PRTD method.

• 社団法人応用物理学会の論文
• 1991-10-15

著者

• Pan Ming-fong

  Department Of Weapon System Engineering Chung Cheng Institute Of Technology

• KU Chiung-Chung

  Chung Shan Institute of Science and Technology

関連論文

• Application of Singular-Value Decomposition for Structural Modal Analysis

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