Numerical simulation of a Kelvin-Helmholtz instability

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Numerical simulation of a Kelvin-Helmholtz instability based on Thorpe's experiment (Thorpe, 1969). The interface separating the two fluids is represented a collection of edges of the elements of the mesh, thus requiring an ALE formulation. The domain is remeshed when the error level (estimated using the technique of Zienkiewicz & Zhu) is higher than a prescribed threshold.
From top to bottom: interface (entire domain) and interface, velocity, vorticity, mesh on the central part of the domain
  1. Yohann VAUTRIN
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