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Development and analysis of entropy stable no-slip wall boundary conditions for the Eulerian model for viscous and heat conducting compressible flows

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  • Mohammed Sayyari

    (Extreme Computing Research Center (ECRC))

  • Lisandro Dalcin

    (Extreme Computing Research Center (ECRC))

  • Matteo Parsani

    (Extreme Computing Research Center (ECRC))

Abstract

Nonlinear entropy stability analysis is used to derive entropy stable no-slip wall boundary conditions for the Eulerian model proposed by Svärd (Phys A Stat Mech Appl 506:350–375, 2018). The spatial discretization is based on entropy stable collocated discontinuous Galerkin operators with the summation-by-parts property for unstructured grids. A set of viscous test cases of increasing complexity are simulated using both the Eulerian and the classic compressible Navier–Stokes models. The numerical results obtained with the two models are compared, and similarities and differences are then highlighted. However, the differences are very small and probably smaller than what the current experimental technology allows to measure.

Suggested Citation

  • Mohammed Sayyari & Lisandro Dalcin & Matteo Parsani, 2021. "Development and analysis of entropy stable no-slip wall boundary conditions for the Eulerian model for viscous and heat conducting compressible flows," Partial Differential Equations and Applications, Springer, vol. 2(6), pages 1-27, December.
    • Handle: RePEc:spr:pardea:v:2:y:2021:i:6:d:10.1007_s42985-021-00132-5
    DOI: 10.1007/s42985-021-00132-5
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