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A Parallel Block-Structured Finite Volume Method for Flows in Complex Geometry with Sliding Interfaces

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Abstract

An implementation of the finite volume method is presented for the simulation of three dimensional flows in complex geometries, using block structured body fitted grids and an improved linear interpolation scheme. The interfaces between blocks are treated in a fully implicit manner, through modified linear solvers. The cells across block interfaces can be matching one-to-one or many-to-one. In addition, the use of sliding block interfaces allows the incorporation of moving rigid bodies inside the flow domain. An algebraic multigrid solver has been developed that works with this block structured approach, speeding up the iterations for the pressure. The flow solver is parallelized by domain decomposition using OpenMP, based on the same grid block structure. Application examples are presented that demonstrate these capabilities. This numerical model has been made freely available by the authors.

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Authors and Affiliations

  1. IMFIA, Universidad de la República, J.H. Reissig 565, 11300, Montevideo, Uruguay

    G. Usera

  2. Departament d’Enginyeria Mecánica, Universitat Rovira i Virgili, Av. Paisos Catalans 26, 43007, Tarragona, Spain

    A. Vernet & J. A. Ferré

Authors
  1. G. Usera
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  2. A. Vernet
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  3. J. A. Ferré
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Corresponding author

Correspondence to G. Usera.

Additional information

G. Usera was supported by FPI/DPI2003-06725-C02-01 from DGI, Ministerio de Educación y Cultura y Fondos FEDER, Spain, grants 33/07 PDT, I+D CSIC, Uruguay.

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Usera, G., Vernet, A. & Ferré, J.A. A Parallel Block-Structured Finite Volume Method for Flows in Complex Geometry with Sliding Interfaces. Flow Turbulence Combust 81, 471–495 (2008). https://doi.org/10.1007/s10494-008-9153-3

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  • DOI: https://doi.org/10.1007/s10494-008-9153-3

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