Abstract
A parallel algorithm for computing the transient response of linear structures is presented. In this algorithm, the transient response of subdomains can be integrated independently for multiple time steps at a time. The subdomain transient solutions that are obtained through independent computation are then corrected to obtain the solution of the global problem within each subdomain, using interface portions of independent subdomain solutions from every time step. The algorithm implements the Newmark average acceleration method, so it is unconditionally stable. Operation counts show that this algorithm requires significantly fewer operations per time step than the Newmark algorithm requires when applied to the global problem as a whole. A numerical example is presented.
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