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16_Sedov_Blast_Wave: add compressible Sedov blast wave tutorial#3

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florian-simvia:sedov-blast-wave
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16_Sedov_Blast_Wave: add compressible Sedov blast wave tutorial#3
florian-simvia wants to merge 1 commit intocode-saturne:mainfrom
florian-simvia:sedov-blast-wave

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Summary

Add a new tutorial (16_Sedov_Blast_Wave) for the compressible module:

  • 2D Sedov blast wave solved with the Euler equations (constant gamma, inviscid).

A point-like energy release at the origin creates a cylindrical shock wave propagating radially, following the Sedov-Taylor self-similar solution.

Contents

  • CASE/DATA/setup.xml: compressible setup, 200x200 Cartesian mesh, adaptive time stepping (CFL=1), symmetry +
    supersonic outlet BCs
  • CASE/SRC/cs_user_initialization.cpp: pressure discontinuity at r=0.005 m (hot region at 100 Pa, ambient at
    0.01 Pa)
  • smgr.xml, README.md

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