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foam-extend: different empty (2-D) directions

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Old   August 28, 2019, 12:44
Question foam-extend: different empty (2-D) directions
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Does anybody have any idea how to deal with the following error?

I encounter the error when running foam-extend 4.1 in parallel "Some processors detect different empty (2-D) directions. Probably using empty patches on a bad parallel decomposition".

My empty direction is along x-axis. I tried different decomposing methods in decomposeParDict file and the domain is successfully decomposed as expected. , but it keeps giving the same error. The error pops up at the first time step most of the time, sometime after some iterations. By the way, I am using sixDoFRigidBodyDisplacement boundary condition (0/pointDisplacement) and the solver is interDyMFoam.

The case runs well in serial mode.


numberOfSubdomains 2;
method simple;
//method scotch; //same error
//method metis; //same error
n ( 1 2 1 );
delta 0.001;
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empty direction, foam-exend

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