Abstract
This chapter describes the conversion of an existing serial code, NPARC-3D into a coarse grain parallel code based on block functionality. It discusses the use of this parallel NPARC code to investigate the unsteady inviscid flow field characteristics of a Mach 2.5, variable diameter centerbody (VDC) inlet. The parallel code was tested on both a network of workstations and on the Cray torus, three-dimensional (T3D). The serial NPARC code was successfully parallelized to run in single program multiple data (SPMD) mode using the application parallel portable library (APPL). APPL was designed to use a portable message-passing paradigm, which allows an application to be developed once and then ported to a variety of parallel platforms. The parallel NPARC code was run under the APPL software environment on the LACE cluster. The chapter concludes that the parallel NPARC code performed well in a network environment, is compatible with the serial code, and can provide faster turnaround time under a distributed computing environment. Full details of the code's performance and a discussion of the unsteady flowfield results are presented in the chapter.
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