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KIAM Preprint  97, Moscow, 2015
Authors: Afendikov A.L., Davydov A. A., Men'shov I. S., Merkulov K.D., Plenkin A. V.
Algorithm for Multilevel Mesh Adaptation with Waveled-Based Criteria for Gas Dynamic Problems
Abstract:
Algorithm for multilevel 2D-3D mesh refinement is suggested. For solution smoothness evaluation we use sliding window method with the patterns of cross and shape. To capture areas with high gradients of grid functions we use wavelet decomposition on this local patterns. Results about Sedov, Liska tests (2D) and supersonic flows about cavity and blunted body (3D) are presented.
Keywords:
ideal gas, Sedov problem, Liska tests, wavelet, refinement meshes
Publication language: russian,  pages: 22
Research direction:
Mathematical modelling in actual problems of science and technics
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About authors:
  • Afendikov Andrei Leonidovich,  KIAM RAS
  • Davydov Alexandr Alexandrovich,  orcid.org/0000-0001-5662-817XKIAM RAS
  • Men'shov Igor Stanislavovich,  orcid.org/0000-0003-2300-4007KIAM RAS
  • Merkulov Kirill Dmitrievich,  KIAM RAS
  • Plenkin Andrey Valerevich,  KIAM RAS