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Changed mesh flag for patches

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Old   May 21, 2019, 12:02
Default Changed mesh flag for patches
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I'm trying to implement a new boundary condition, loosely based on timeVaryingMappedFixedValue, where the value changes each timestep based on some files that are read in. These files need only be read in at the start, and a calculation is performed based on the time value.

When files are read in, they are interpolated to match the patch. I'm planning on using this boundary condition with a dynamic mesh solver, specifically a dynamicRefineFvMesh. Every time the mesh is updated (based on number specified in dynamicMeshDict), I will need to re-interpolate my read in values.

Ideally, I would only re-interpolate if they mesh for that patch has changed, which is not necessarily every time it changes. Is there a flag for an fvPatch, or one of the derived/inherited classes that would tell me if the mesh for that patch has changed, similar to "mesh.changing()" for the whole mesh.
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boundary condition, dynamic mesh, time varying

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