National Center for High Performance Computing Center

Hsinchu, Taiwan

National Center for High Performance Computing Center

Hsinchu, Taiwan
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Niu Y.-Y.,Chung Hua University | Tang H.-W.,Chung Hua University | Lee L.-C.,National Center for High Performance Computing Center | Tseng T.I.,National Center for High Performance Computing Center
Computers and Fluids | Year: 2011

In this study, a parallel computing technology is applied on the simulation of a wind turbine flow problem. A third-order Roe type flux limited splitting based on a pre-conditioning matrix with an explicit time marching method is used to solve the Navier-Stokes equations. The original FORTRAN code was parallelized with Message Passing Interface (MPI) language and tested on a 64-CPU IBM SP2 parallel computer. The test results show that a significant reduction of computing time in running the model and a super-linear speed up rate is achieved up to 32 CPUs at IBM SP2 processors. The speed up rate is as high as 49 for using IBM SP2 64 processors. The test shows very promising potential of parallel processing to provide prompt simulation of the current wind turbine problems. © 2010 Elsevier Ltd.

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