mass matrix and structural analysis

could anyone direct me to literature on the net, that shows how to
assemble the mass matrix for ***3D*** frame structures, when doing
free-vibration analysis ?
Reply to
erik
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You could ask in the forums on
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A lot more people there who know stuff :P I've done some finite element work, but can't quite remember how the matrices were assembled, especilly not in that case.
But really a university library is probably the best bet for this kind of thing, it's such a common problem there'll be heaps of books describing it better than an web page would.
Reply to
nottoooily

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