Iterative Methods for Dynamic Condensation

Zu-Qing Qu ()
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Zu-Qing Qu: University of Arkansas, Department of Civil Engineering

Chapter 6 in Model Order Reduction Techniques, 2004, pp 111-149 from Springer

Abstract: Abstract Various dynamic condensation approaches have been described in the preceding chapter. Generally, they can significantly improve the accuracy of static condensation. Unfortunately, these methods have one or more disadvantages: 1. The reduced model is frequency-dependent, and a special eigensolver is required to solve the reduced eigenproblem. Furthermore, it is difficult to use this reduced model in further dynamic analyses. 2. The eigenpairs of the reduced model have to be computed one by one. 3. A given number of eigenvectors of the full model or slave model should be available in modal-type and hybrid-type dynamic condensation methods before the condensation is performed.

Date: 2004
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DOI: 10.1007/978-1-4471-3827-3_6

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