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RESEARCHES ON TWO EXPRESSIONS ABOUT COMPLEX EIGENVALUE[J]. Chinese Journal of Theoretical and Applied Mechanics, 1997, 29(2): 167-174. DOI: 10.6052/0459-1879-1997-2-1995-212
Citation: RESEARCHES ON TWO EXPRESSIONS ABOUT COMPLEX EIGENVALUE[J]. Chinese Journal of Theoretical and Applied Mechanics, 1997, 29(2): 167-174. DOI: 10.6052/0459-1879-1997-2-1995-212
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RESEARCHES ON TWO EXPRESSIONS ABOUT COMPLEX EIGENVALUE

  • 清华大学工程力学系

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  • It is very interesting to study eigenvalues of a linear system by analyzing the properties of its mass matrix, stiffness matrix, damping matrix and so on. After a brief review on the complex mode theory, this paper developed a new set equations about corresponding matrices by recalling the orthogonality between the complex modes of a damped gyroscopic linear system. Based upon this, the applicability of two popular expressions about complex eigenvalues was investigated. The emphasis was given to the questio...
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