Computational Fluid Dynamics 2004

pp 747-752

Parallelization of an Unstructured Data Based Cell Centre Finite Volume Code, HIFUN-3D

  • Gopal N. ShindeAffiliated withIndian Institute of Science
  • , Nikhil V. ShendeAffiliated withIndian Institute of Science
  • , N. BalakrishnanAffiliated withIndian Institute of Science

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This work describes the parallelization of High Resolution flow solver on unstructured meshes, HIFUN-3D, an unstructured data based finite volume solver for 3-D Euler equations. For mesh partitioning, we use MeTiS, a software based on multilevel graph partitioning. The unstructured graph used for partitioning is associated with weights both on its vertices and edges. The data residing on every processor is split into four layers. Such a novel procedure of handling data helps in maintaining the effectiveness of the serial code. The communication of data across the processors is achieved by explicit message passing using the standard blocking mode feature of Message Passing Interface (MPI). The parallel code is tested on PACE++128 available in CFD Center (Department of Aerospace Engg.) of Indian Institute of Science (IISc), Bangalore.