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Changing individual cells from fluid to solid in Fluent/Workbench

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Old   September 24, 2020, 12:24
Unhappy Changing individual cells from fluid to solid in Fluent/Workbench
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Hey everyone,

I'm currently trying to model clogging in a pipe caused by particle collisions on the wall. I have seen papers where they implement a strategy of somehow changing cells in a mesh from fluid to solid, and vice-versa in simulating fouling in diesel exhausts.

The only problem is, they do not at all specify how they change cells in a mesh from fluid to solid. My only idea at the moment is trying to utilise the DEFINE_PROFILE UDF in Fluent to change the porosity, but I doubt it'll work for individual faces.

Is there anyway to change individual cells in FLUENT from fluid to solid, or externally using ICEM and the like?

Relevant papers:
Development of a Predictive CFD Fouling Model for
Diesel Engine Exhaust Gas Systems - DOI: 10.1080/01457632.2012.738321
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