'Narrow contraction' mesh
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Hi REEF3D team,
First of all, thanks for creating REEF3D. It looks really promising for a wide range of (hydrodynamic) applications. I'm trying to carry out the 'narrow contraction' tutorial, but the default mesh does not seem to be properly generated (see image). Default control settings: C 11 1 C 12 21 C 13 21 C 14 2 C 15 21 C 16 3 B 1 0.05 B 130 1 F 3 0.0 0.5 F 11 0.0 0.8 0.6 0.6 F 11 0.8 1.1 0.6 0.4 F 11 1.1 1.4 0.4 0.4 F 11 1.4 1.7 0.4 0.6 F 11 1.7 2.5 0.6 0.6 F 21 0.0 0.8 0.0 0.0 F 21 0.8 1.1 0.0 0.2 F 21 1.1 1.4 0.2 0.2 F 21 1.4 1.7 0.2 0.0 F 21 1.7 2.5 0.0 0.0 M 10 4 Any feedback would be greatly appreciated. https://ibb.co/phx0J70 |
I had the same problem in version 21.04. I think the freecoor part of DiveMesh is not continued anymore in the current and last version (take a look at the release-notes in GitHub). That is why I think this tutorial is not working anymore.
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Hi Rick and Felix,
sorry for the oversight regarding the tutorial case, we will update it. Yes, the freecoor option has been removed. Please use the solid options instead. |
Hi Hans,
Thanks for the reply! How would we then generate a non-rectangular mesh (such as a contraction or sloping bottom) without importing an STL file? |
Hi Rick,
REEF3D is built around the immersed boundary method, so a rectilinear (optionally non-uniform) mesh is used. Complex structures are simply immersed into the mesh. This make the grid generation process relatively straightforward and enables us to employ high-order methods when solving the governing equations. |
Hi Hans,
Thanks a lot, I get it now! |
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