A static and dynamic Chimera overset-grid capability is added to an established NASA tetrahedral unstructured parallel Navier-Stokes flow solver, USM3D. Modifications to the solver primarily consist of a few strategic calls to the Donor interpolation Receptor Transaction library (DiRTlib) to facilitate communication of solution information between various grids. The assembly of multiple overlapping grids into a single-zone composite grid is performed by the Structured, Unstructured and Generalized Grid AssembleR (SUGGAR) code. Several test cases are presented to verify the implementation, assess overset-grid solution accuracy and convergence relative to single-grid solutions, and demonstrate the prescribed relative grid motion capability.


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    Title :

    Progress Toward Overset-Grid Moving Body Capability for USM3D Unstructured Flow Solver


    Contributors:

    Conference:

    17th AIAA Computational Fluid Dynamics Conference ; 2005 ; Toronto, Ontario, Canada


    Publication date :

    2005-05-27


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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