What is 'boundaryToFace'? How can I setup 'setFieldsDict' file?

Ash Kot · July 7, 2019, 19:54

I have mesh generated using 'fluent3DMeshToFoam'.
The only understandable file in this converted mesh is 'boundary', while rest all are numbers.
Now, if I'm using blockMesh utility for mesh generation setting 'setFieldsDict' file easy. But I've fluentMesh which is converted to openFoam mesh.

How can I setup 'setFieldsDict' file for this kind of Mesh for water and air?
I'm thinking of using 'boundaryToFace' topoSet instead of boxToCell topoSet.

I'm using 'multiphaseInterFoam' solver. I'm trying to setup liquid(Water) at liquidInlet boundary, and Gas(Air) at gasInlet boundary.

mahsankhan · March 26, 2020, 12:13

Hey Ash, did you find the solution? Please can you help me with this?

I have a circular boundary from snappyHexMesh for a pipe inside a tank, I need to fill this pipe with another fluid and set its end as an outlet...

Ash Kot · March 26, 2020, 13:16

Quote:

Originally Posted by mahsankhan

Hey Ash, did you find the solution? Please can you help me with this?

I have a circular boundary from snappyHexMesh for a pipe inside a tank, I need to fill this pipe with another fluid and set its end as an outlet...

Can you provide me a sort of schematic please, so that I can visualize correctly?

July 7, 2019, 19:54	What is 'boundaryToFace'? How can I setup 'setFieldsDict' file?	#1
Ash Kot Member Ash Kotwal Join Date: Jul 2016 Location: North Dakota, USA Posts: 92 Blog Entries: 1 Rep Power: 10	I have mesh generated using 'fluent3DMeshToFoam'. The only understandable file in this converted mesh is 'boundary', while rest all are numbers. Now, if I'm using blockMesh utility for mesh generation setting 'setFieldsDict' file easy. But I've fluentMesh which is converted to openFoam mesh. How can I setup 'setFieldsDict' file for this kind of Mesh for water and air? I'm thinking of using 'boundaryToFace' topoSet instead of boxToCell topoSet. I'm using 'multiphaseInterFoam' solver. I'm trying to setup liquid(Water) at liquidInlet boundary, and Gas(Air) at gasInlet boundary.

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March 26, 2020, 12:13		#2
mahsankhan New Member Ahsan Join Date: Nov 2019 Location: Bologna, Italy Posts: 27 Rep Power: 6	Hey Ash, did you find the solution? Please can you help me with this? I have a circular boundary from snappyHexMesh for a pipe inside a tank, I need to fill this pipe with another fluid and set its end as an outlet...