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  3. Influence of polyhedral mesh on gradient calculation.

Influence of polyhedral mesh on gradient calculation.

Tagged: 17.2, fluent, fluid-dynamics, General - FLUENT, Pre-processing: Meshing
    • March 17, 2023 at 1:10 pm
      SolutionSolution
      Participant

      ANSYS Fluent has the capability to convert globally or locally the cells of a pre-existing grid into polyhedral cells. The generation of polyhedral grids is now natively possible in ANSYS Fluent Meshing and is a valuable solution compared to a posteriori conversion. Polyhedral are known to show some numerical properties due to lower cell count compared to tetraedral grid: – Less memory required – Faster time to obtain solution Nevertheless, what is the impact of polyhedra on the calculation of gradients? See attached document for further elements on this topic.

      Attachments:
      1. 2043021_PolyMeshGradientCalculation.pdf

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