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Abstract

This paper presents the current strategy used in IP-OORT, an ongoing project to extend the application domain of a C++ toolkit library for iterative mesh adaptation. OORT is a class library for sequential structured, unstructured and hybrid mesh adaptation used mainly in the context of CFD computations, that performs iterative mesh refinement, coarsening and smoothing in 3D. Extensions to parallelize mesh adaptation using ParMeTiS for domain decomposition and MPI high-level communication schemes are investigated here. Numerical simulations on realistic cases show that the parallel strategy scales with problem size and the number of processors, but singular behaviors are sometimes encountered at subdomain interfaces when conflicting instructions collide.

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References

Gamma, E., Helm, R., Johnson, R., and Vlissides, J. 1995. Design Patterns, Elements of reusable object-oriented software, Addison-Wesley .

Guibault, F., Vu, T., and Camarero, R. 1999. Automatic Blocking for Hybrid Grid Generation in Hydraulics Components . International Journal on Hydropower and Dams 5 (2): 81-86 .

Ierotheou, C. S., Forsey, C. R., and Block, U. 1995. Parallelisation of a novel 3D hybrid structured/unstructured grid CFD production code. High-Performance Computing and Networking, pp. 831-836.

Karypis, G., Schloegel, K., and Kumar, V. 1998. PARMETIS, Parallel Graph Partitioning and Sparse Matrix Ordering Library, Version 2.0, University of Minnesota, Departement of Computer Science and Army HPC Research Center, Minneapolis, MN.

Leopold, C. 2001. Parallel and Distributed Computing, Wiley Inter-Science .

Malouin, E., Dompierre, J., Guibault, F., and Roy, R. 2002. IP-OORT: A Parallel Remeshing Toolkit . In: Proceedings of the 9th EuroPVM/MPI Conference, Linz, Austria, pp. 243-251 .

Minyard, T. and Kallinderis, Y. 1998. Octree Partitioning of Hybrid Grids for Parallel Adaptive Viscous Flow Simulations . International Journal for Numerical Methods in Fluids, 26(1): 57-78 .

Sirois, Y., Dompierre, J., Vallet, M.-G., Labbé, P., and Guibault, F. 2002. Progress on Vertex Relocation Schemes for Structured Grids in a Metric Space . In: Proceedings of the 8th International Conference on Numerical Grid Generation, Honolulu, USA, pp. 389-398 .

Snir, M., Otto, S., Huss-Lederman, S., Walker, D., and Dongarra, J. 1996. MPI: The Complete Reference, MIT Press .

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Vu, T. C., Guibault, F., Dompierre, J., Labbé, P., and Camarero, R. 2000. Computation of Fluid Flow in a Model Draft Tube Using Mesh Adaptive Techniques . In Proceedings of the Hydraulic Machinery & Systems 20th IAHR Symposium.

Applying Parmetis to Structured Remeshing for Industrial CFD Applications

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