Abstract
A parallel algorithm for nonlinear transient dynamic analysis of large structures is presented in this paper. An unconditionally stable Newmark-ß method (average acceleration technique) is employed for time integration. The proposed parallel algorithm is devised using overlapped domains, unlike most of the existing parallel algorithms which are basically derived using nonoverlapped domains. A predictor-corrector scheme is formulated for iteratively improving the solution in each step. The algorithm is implemented on a cluster of workstation. Numerical results indicate that the proposed algorithm is superior in performance to the conventional domain decomposition algorithms.
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