NUMERICAL METHOD FOR FREE VIBRATION ANALYSIS OF STRUCTURES WITH SMALL DESIGN CHANGES - (2ND REPORT: ANALYSIS OF DEGENERATE OR NEARLY DEGENERATE CASES BY A SUBSPACE TECHNIQUE).

Fumio Kikuchi, Tatsuhiko Aizawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This paper presents a numerical method for free vibration analysis of structures with small design changes or perturbations. The proposed method is an extension of the iteration scheme. A subspace technique is employed to deal with variation of degenerate or nearly degenerate eigenvalues of the unperturbed problems. The algorithm is designed such that it can be easily implemented in large-scale finite element computations.

Original languageEnglish
Pages (from-to)1733-1740
Number of pages8
JournalBulletin of the JSME
Volume28
Issue number242
DOIs
Publication statusPublished - 1985 Jan 1

ASJC Scopus subject areas

  • Engineering(all)

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