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How to make water flow for solver interFoam using alpha.water?

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Old   August 20, 2022, 02:04
Default How to make water flow for solver interFoam using alpha.water?
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Gavin.
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Note: I am sorely new to Linux subsystem and openFOAM, so please excuse the incorrect terms I used.

My simulation is based on the $FOAM/tutorials/multiphase/interFoam/RAS/weirOverflow/

I am trying to simulate open channel flow passing through a vertical cylinder. You can download my file from this link >> LINK

I run using the commands:
Code:
blockMesh 
checkMesh 
//redefine defaultFaces in "polyMesh/boundary" file to "empty".
setFields 
interFoam
I can execute all those commands, however when running the solver, it always stop halfway and when I execute paraFoam, I found that the water is just... there. No flow movement whatsoever.

I have tried reducing the time taken (time step? in controlDict), as well as reducing the inletFlowRate. Yet, it still resulted the same.

I have an inkling that I need to add several more boxes to my setFields, as my blockMeshDict have extra zones (refer to image attached) when compared to the one in the tutorial. But I have no idea on what coordinates to put so that it can flow properly.
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alpha.water, interfoam, weiroverflow

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