XANSYS Message: 42792 [Go back to message list] [bookmark on del.icio.us]
No rating yet Subject: Re: STRUCT : Large deflection prestressed- modal analy Author: Christopher Wright Date: 1969-12-31 23:59:00>Is there a way of theoretically determining the natural frequencies >of this system so that i can compare my results ?? Don't forget that modal analysis is inherently linear. You can find eigen modes from any load step from any non-linear analysis, but the eigenvalues will only apply to linear, elastic, small deformaiton response about that point.
Christopher Wright P.E. |"They couldn't hit an elephant at chrisw@s... | this distance" (last words of Gen. ___________________________| John Sedgwick, Spotsylvania 1864) http://www.skypoint.com/~chrisw
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Re: STRUCT : Large deflection prestressed- modal analy