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mapFields in OpenFOAM for Overset Cases with Moving Boundaries

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Old   October 4, 2023, 06:09
Default mapFields in OpenFOAM for Overset Cases with Moving Boundaries
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Mehdi Badri
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Hello everyone,

I've been working on an overset simulation in OpenFOAM-2112 where I'm trying to use the mapFields function object to initialize a fine-mesh case with a coarse-mesh solution. I can successfully map all variables, and the initial case appears to be okay. However, the new case diverges from the first time step (the adjustable time step quickly approaches zero).

Here's a brief overview of my setup:
- I'm using mapFields to handle data transfer between two grids.
- To simplify the case, I am using two similar meshes (with the same resolution)
- The simulation involves moving boundaries
- I also manually copied the pointDisplacement directory

I've checked my boundary conditions, mesh quality, and solver settings, but I'm still encountering this divergence issue. Has anyone else faced a similar problem when using mapFields in OpenFOAM for overset cases with moving boundaries?

I would greatly appreciate any insights, tips, or suggestions to help me resolve this issue and ensure a stable simulation.
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initialization, mapfields, moving boundaries, openfoam, overset

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