thank you very mush jiang, however i can't figure how to apply this creterion, i tried to apply this commands after the modal analysis is finished but there is an error witch says:''participation factor values are not on the mode.file'', so i tired to apply them before the analysis but there is...
hello there, i need to know how to proceed with a transient analysis based on modal superposition with the optimale modal base, i tried to select all the modal base witch contains 60 modes and the response of the system was exactly the response of a full transient analysis, however,when i wanted...