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Shock reflection/diffraction over pyramid

Saturday 29 August 2009, by J. Gressier

 Case description

An unsteady shock wave (travelling Mach = 2.85) impacts a pyramid obstacle. A first reflexion occurs and then the shock is diffracted by the expansion from the spike of this pyramid. The 90 degrees corner trigger a separation.

 Numerical parameters

  • 600k quad mesh
  • second ordre MUSCL
  • HLLC scheme


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