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中文核心期刊
THE ( n -3) MULTIPLE EIGENVALUES FOR A CLASS OF STRUCTURES AND ITS NON DEFECTIVENESS[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(6): 707-716. DOI: 10.6052/0459-1879-1996-6-1995-390
Citation: THE ( n -3) MULTIPLE EIGENVALUES FOR A CLASS OF STRUCTURES AND ITS NON DEFECTIVENESS[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(6): 707-716. DOI: 10.6052/0459-1879-1996-6-1995-390

THE ( n -3) MULTIPLE EIGENVALUES FOR A CLASS OF STRUCTURES AND ITS NON DEFECTIVENESS

  • Based on the block structure of the assembled system matrix by gyroscopic mode synthesis technique, it is proved constructively that there is a series of the ( n -3) multiple eigenvalues in the spectrum of the gyroscopic eigenvalue problem for the rotarywing type structures, corresponding to the n repeated substructures mounted on the structure. The associated complete eigenvectors or modes are also obtained. The obtained analytical results are extended to the nonrotating, ...
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