Suthee Traivivatana, Parinya Boonmarlet, Patcharee Theeraek, Sutthisak Phongthanapanich, Pramote Dechaumphai. Combined Adaptive Meshing Technique and Characteristic Based Split Algorithm for Viscous Incompressible Flow Analysis[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1037-1046.
Citation: Suthee Traivivatana, Parinya Boonmarlet, Patcharee Theeraek, Sutthisak Phongthanapanich, Pramote Dechaumphai. Combined Adaptive Meshing Technique and Characteristic Based Split Algorithm for Viscous Incompressible Flow Analysis[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1037-1046.

Combined Adaptive Meshing Technique and Characteristic Based Split Algorithm for Viscous Incompressible Flow Analysis

  • Received Date: 2006-05-08
  • Rev Recd Date: 2007-05-08
  • Publish Date: 2007-09-15
  • A combined chara cteristic-based splitalgorithm and anada ptive meshing technique foranalyzing two-dimensional viscous incompressible flow is presented. The method uses the three-node triangular element with equal-order interpolation functions forall variables of the velocity components and pressure. The main a dvantage of the combined method is toimprove solution a ccuracy by coupling an error estimation procedure to anada ptivemeshing technique that generates small elements in regions with largechange in solution gradients, and at the same time, larger elements in other regions. The performance of the combined procedure is evaluated by analyzing the three testcases of the flow past a cylinder, for their transient and steady-state flow behaviors.
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