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Hydrocode development on the Connection Machine

Fang, H.E.; Robinson, A.C.; Cho, Kah-Song

Large two- and three-dimensional simulations of shock wave physics problems constitute a major expense in ongoing research efforts at Sandia National Laboratories. Massively parallel computing may provide a solution. A simplified version of the production hydrocode CTH, in current use at Sandia National Laboratories, has been successfully developed for the Connection Machine. The parallel version, named PCTH, solves problems in multi-fluid shock wave physics. The development of the Connection Machine code is described and initial performance statistics are presented. These are compared with similar results for the CRAY Y-MP and nCUBE2. 7 refs., 3 figs., 1 tab.