modal analysis---period is wrong

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fluozhen
Posts: 23
Joined: Thu May 07, 2009 7:33 pm
Location: nuaa

modal analysis---period is wrong

Post by fluozhen »

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
mm5895159
Posts: 1
Joined: Thu Dec 30, 2010 7:15 am

Re: modal analysis---period is wrong

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