modal analysis---period is wrong
Moderators: silvia, selimgunay, Moderators
modal analysis---period is wrong
hi all, I have a problem during modal analysis, the structure period is always wrong , could anyone knows how to do the modal analysis? why the period is wrong? Anxious for solutions, sorry for my English,thank you.
NUAA. JS. China.
Email:f.luozhen@gmail.com
Email:f.luozhen@gmail.com