Immersed boundary methods

The solvers for incompressible and compressible flows have support for including moving immersed boundaries given by the zero iso-contour of a level set function.

Inviscid flow over a Gaussian bump

Our tests indicate that the resulting DG schemes of order Pconverges with the optimal rate hP+1 for smooth geometries. On the right, convergence results for the L2 entropy error under grid refinement for different DG degrees P are shown.

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Vortex shedding behind an immersed cylinder

Vortex shedding behind a cylinder (Re = 100, Ma = 0.2, DG degree is 4)

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Immersed oscillating cylinder in incompressible flow

Vortex shedding behind an oscillating cylinder that is immersed into a constant background flow

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Particle under gravity

Falling particle in an incompressible medium

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