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|An accurate method of dynamic condensation in structural analysis
|Leung, Andrew Yee Tak
|John Wiley & Sons
|International Journal for Numerical Methods in Engineering
A new and efficient method of dynamic condensation is presented. It reduces the order of dynamic matrices without introducing further approximation by representing the passive co−ordinates in terms of the active ones exactly. The resulting frequency dependent eigenvalue problem is solved by a combined technique of Sturm sequence and subspace iteration. Examples are given for a space frame and a substructure problem. Results are compared to the complete solution.
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