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Identification of Modal Parameters and Spatial Matrix in Frequency Domain-Basic Theory
Published October 21, 1997 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
An approach is presented for the identification of spatial matrix with modal parameters in the frequency domain. Modal parameters are transformed to spatial matrix with constraints of modal vector orthogonality and characteristic equation. Adding the connection conditions or unconnected conditions of measuring points, spatial matrix is determined by modal parameters whose number is smaller than that of dimension of spatial matrix.