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Old   September 8, 2009, 10:03
Question compressibleInterDyMFoam on OF1.6
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Luca D'Auria
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Has anybody experience with compressibleInterDyMFoam on OF1.6? I was not able to find any specific documentation.

I tried using the dynamicMeshDict in the tutorial damBreakWithObstacle for interDyMFoam but it does not work with compressibleInterDyMFoam.

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Old   February 22, 2010, 13:25
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Scott Miller
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Luca: Any luck with compressibleInterDyMFoam? I am having the same problems you described.
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Old   February 24, 2010, 21:18
Default compressibleInterDyMFoam -- dynamicRefineFvMesh
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Scott Miller
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I have found 2 issues that caused problems when trying to use AMR with compressibleInterDyMFoam.

1. There are 3 constructors in createFields.H that need to be modified so that they get updated as the mesh refines: alpha2, rho1, rho2. Example:

//volScalarField alpha2("alpha2", scalar(1) - alpha1);

volScalarField alpha2
scalar(1) - alpha1

2. You cannot use the GAMG solver for p and pFinal. However, as we are not solving a pressure Poisson equation, it should suffice to use a smoothSolver, etc, as multi-grid is more suited to elliptic PDEs. Using GAMG for the pcorr equation is fine here, since we are using an elliptic correction to the flux to ensure continuity when we update the mesh.

Hope this helps.
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