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18_Rayleigh_Taylor: add VOF Rayleigh-Taylor instability tutorial#5

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florian-simvia wants to merge 1 commit intocode-saturne:mainfrom
florian-simvia:rayleigh-taylor
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18_Rayleigh_Taylor: add VOF Rayleigh-Taylor instability tutorial#5
florian-simvia wants to merge 1 commit intocode-saturne:mainfrom
florian-simvia:rayleigh-taylor

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Summary

Add a new tutorial (18_Rayleigh_Taylor) for the VOF (Volume of Fluid) module:

  • 2D Rayleigh-Taylor instability driven by gravity between a heavy fluid (rho=5) and a light fluid (rho=1).

Complements tutorial 17 (Kelvin-Helmholtz) as a second VOF example, this time gravity-driven.

Contents

  • CASE/DATA/setup.xml: VOF setup, 64x192 Cartesian mesh, periodic in x, adaptive time stepping (CFL=1), gravity
    g=-1 m/s^2
  • CASE/SRC/cs_user_initialization.cpp: smoothed sinusoidal VOF interface, zero initial velocity
  • smgr.xml, README.md

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