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- W954074912 abstract "Publisher Summary This chapter focuses on the parallelization of an explicit algorithm for the simulation of compressible reacting gas flows, applied to supersonic mixing layers. It divides parallel methodologies into two types: data-parallelism and control parallelism. Parallel computation yields a significant time saving with respect to the ordinary multi-block technique or the sequential calculation. The chapter characterizes the reactive Navier-Stokes equations are characterized by three tightly coupled physical phenomena: the convection, diffusion, and chemical source terms. To compute the chemical source terms, full complex chemistry is used. By considering the elapsed time for solving the problem, the numerical treatment of the chemical source terms takes about 75% of the total execution time. The main goal of the chapter is to reduce the relative cost of chemical source terms calculation, and also to optimize the global cost of the procedure resolution by the use of parallel computation. It is also mentioned that multiple instruction multiple data-single program multiple data (MIMD-SPMD) algorithm is less efficient than the MIMD-SIMD (single instruction multiple data) when the number of blocks is small. MIMD-SPMD algorithm is still easy to implement. MIMD-SIMD algorithm shows high performances in case of one slave configuration. But numerical implementation of this algorithm requires a typical massively parallel chemical source solver." @default.
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- W954074912 date "1996-01-01" @default.
- W954074912 modified "2023-09-25" @default.
- W954074912 title "Numerical simulation of reacting mixing layer with combined parallel approach" @default.
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- W954074912 doi "https://doi.org/10.1016/b978-044482322-9/50066-9" @default.
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