论文信息 - Modal Data Are Insufficient for Identification of Both Mass and Stiffness Matrices - 字舞流文

Modal Data Are Insufficient for Identification of Both Mass and Stiffness Matrices

Simutaneous changes in the mass and stiffness matrices cannot be identified by using modal data only. The mode shapes cannot provide a reference basis

Menahem Baruch | M. Baruch

[1] M. Baruch. Optimal correction of mass and stiffness matrices using measured modes , 1982 .

[2] R. Fox,et al. Rates of change of eigenvalues and eigenvectors. , 1968 .

[3] I. U. Ojalvo,et al. Efficient computation of modal sensitivities for systems with repeated frequencies , 1988 .

[4] R. Lane Dailey,et al. Eigenvector derivatives with repeated eigenvalues , 1989 .

[5] I. Peroni,et al. A procedure for the determination of effective mass sensitivities in a general tridimensional structure , 1997 .

[6] Model updating based on sensitivities of system matrices , 1993 .

[7] Alex Berman,et al. Mass Matrix Correction Using an Incomplete Set of Measured Modes , 1979 .