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Given stiffness and mass matrix, as well as the number of modes, solve the general eigen value problem, save the results.
This project forked from simba518/modalanalysis
Given stiffness and mass matrix, as well as the number of modes, solve the general eigen value problem, save the results.
This application is used to compute modal analysis for Prof. Jin. The original email is: Please help to compute/visualize the MA of the following data: https://www.dropbox.com/sh/whu3r5ftcv8x4b4/DlqCUGDuOz The format description can be found below: ".off" files contain hex-mesh data, ".mass" and ".stiffness" files contain the corresponding mass matrix and stiffness matrix data, respectively. The format of .mass and .stiffness are the same. Since both of them are sparse matrices, only elements with value not equal to 0 are recorded, as described bellow: " #Row #Column i a x ------ For a line in the file, 'x' means the element value corresponding to the ith row and ath column of the whole matrix. " Since I write the program all by myself, there are probabilities that the matrices are calculated wrong. Any problems, please let me know. Be careful, the mass matrix is not lumped.
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