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Using massive parallel computer systems for the direct modeling of multi-scale structures in the separated flows

机译:使用大规模并行计算机系统进行分离流中的多尺度结构的直接建模

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This paper is devoted to the research of the opportunity of using the multiprocessor computer systems for direct modeling of multi-scale structures in separated flows was carried out. The problem on supersonic viscous gas flows around a rectangular cavity is taken as a model problem. Gasdynamic and geometrical parameters of a cavity were given in such a manner that there were intensive pulsations of pressure in a cavity and a nonstationary separate zone were generated. The purpose of work was to receive large-scale structures (answering for generation of pulsations of pressure), middle-scale, and if it is possible, small-scale (directly connected with the turbulence) vortexes. The algorithm based on the kinetically consistent finite difference (k.c.f.d.) schemes for numerical solution of the problem is considered.
机译:本文致力于使用多尺度结构的多处理器计算机系统进行分离流中的多尺度结构的多处理器计算机系统的研究。矩形腔周围的超音速粘性气体的问题被视为模型问题。以这种方式给出了腔的Gasdynamic和几何参数,即在腔体中存在狭窄的压力脉动,并产生非营养的单独区。工作的目的是接收大规模的结构(回答压力的产生),中间尺寸,如果可能的,小规模(与湍流直接连接)涡旋。考虑了基于动力学上一致的有限差的算法(K.C.F.D.)的问题的数值解决方案。

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