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To run the model, open
scattering.pro with Gmsh.
This model investigates acoustic wave scattering off impenetrable cylindrical obstacles. The model allows you to place an arbitrary number of obstacles in the domain and scatter either plane waves or waves produced by a point source. The domain can be truncated either by a local Absorbing Boundary Condition (ABC) or a Perfectly Matched Layer (PML).
Model developed by @bthierry