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CLC number: V211.3, TP301.6

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Received: 1999-05-06

Revision Accepted: 1999-12-15

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Bio-Design and Manufacturing  2018 Vol.1 No.3 P.300-305

10.1631/jzus.2000.0300


PARALLEL IMPLEMENTATIONS OF NUMERICAL SIMULATION OF WIND FLOW AROUND BUILDINGS


Author(s):  CHEN Shui-fu, SUN Bing-nan

Affiliation(s):  Dept.of Civil Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s): 

Key Words:  parallel computing, parallelization strategy, wind flow around buildings, multi-processor computer, pressure correction algorithm


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CHEN Shui-fu, SUN Bing-nan. PARALLEL IMPLEMENTATIONS OF NUMERICAL SIMULATION OF WIND FLOW AROUND BUILDINGS[J]. Journal of Zhejiang University Science D, 2018, 1(3): 300-305.

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Abstract: 
In this work, two parallel implementation strategies for the numerical simulation of wind flow around buildings were developed based on a four-processor transputer system. The first parallel strategy is based on the functional decomposition of the problem. It is easily implementable, but the degree of parallelism is low. In the second strategy, both the functional and the domain parallelisms of the problem were utilized, so the degree of parallelism is highly increased. Numerical examples indicate that the parallel speed-ups and efficiencies achievable by the second strategy are significantly greater than those of the first one.

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Reference

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[4]Lewis, A. J. and Brent, A. D., 1993. A comparison of coarse and fine grain parallelization strategies for the SIMPLE pressure algorithm. Int. J. Numer. Methods Fluids, 16: 891-914.

[5]Murakami, S. and Mochida, A., 1988. 3-D numerical simulation of airflow around a cubic model by means of the k-&egr; model. J. Wind Engng. Indus. Aerodyn., 31(2): 283-303.

[6]Patankar, S. V., 1980. Numerical Heat Transfer and Fluid Flow, Hemisphere, New York.

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