May 6, 2014 #1 ASMB Mechanical May 4, 2014 2 I can’t find how to check the Modal mass sum and the Modal mass effective fraction when I’m doing a 103 solution(MODAL ANALISYS), Can somebody help me?
I can’t find how to check the Modal mass sum and the Modal mass effective fraction when I’m doing a 103 solution(MODAL ANALISYS), Can somebody help me?
May 8, 2014 #2 BlasMolero Mechanical Aug 12, 2009 928 Hello!, This is very easy, simply enter in the nastran case control the command: MEFFMASS(PLOT,GRID=0,FRACSUM,SUMMARY) = YES You will get the modal mass sum and modal mass participation factor results written in the *.F06 output file: Best regards, Blas. ~~~~~~~~~~~~~~~~~~~~~~ Blas Molero Hidalgo Ingeniero Industrial Director IBERISA 48004 BILBAO (SPAIN) WEB: http://www.iberisa.comBlog de FEMAP & NX Nastran: http://iberisa.wordpress.com/ Upvote 0 Downvote
Hello!, This is very easy, simply enter in the nastran case control the command: MEFFMASS(PLOT,GRID=0,FRACSUM,SUMMARY) = YES You will get the modal mass sum and modal mass participation factor results written in the *.F06 output file: Best regards, Blas. ~~~~~~~~~~~~~~~~~~~~~~ Blas Molero Hidalgo Ingeniero Industrial Director IBERISA 48004 BILBAO (SPAIN) WEB: http://www.iberisa.comBlog de FEMAP & NX Nastran: http://iberisa.wordpress.com/
