Distributed-memory parallelization of radiative transfer calculation in hypersonic flow

被引：0

作者：

Matsuyama, S ^{[1
]}

Ohnishi, N ^{[1
]}

Sasoh, A ^{[1
]}

Sawada, K ^{[1
]}

机构：

[1] Tohoku Univ, Dept Aeronaut & Space Engn, Sendai, Miyagi 9808579, Japan

来源：

PARALLEL COMPUTATIONAL FLUID DYNAMICS: NEW FRONTIERS AND MULTI-DISCIPLINARY APPLICATIONS, PROCEEDINGS | 2003年

关键词：

parallel algorithms; supercomputer applications;

D O I：

10.1016/B978-044450680-1/50062-0

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper presents a new parallel strategy for radiative transfer calculation coupled with hypersonic flow computations. The cell-interface division parallel strategy is developed based on the distributed-memory parallelization, and applied to the calculation of three-dimensional radiative transfer in axisymetric hypersonic flowfield around the forebody of Fire II vehicle. The developed-parallel code realizes-fair scalability up to 128 processors. The computational speed achieved by the present parallel strategy using 128 processors of SGI ORIGIN 2000 is approximately 20 Gflops that is 115 times faster than that of a single processor. It is shown that cell-interface division strategy is suitable for large-scale radiation coupling calculations.

引用

页码：491 / 498

页数：8

共 21 条

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