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Pressure fluctuation in overset tutorials

Summary

All overPimpleDyMFoam tutorials show unphysical pressure fluctuation

Steps to reproduce

Run overPimpleDyMFoam tutorials and open pressure field in paraview

Example case

$FOAM_TUTORIALS/incompressible/overPimpleDyMFoam/cylinder/

What is the current bug behaviour?

cylinder

What is the expected correct behavior?

No pressure oscillation

Environment information

OpenFOAM version : v2406 Operating system : ubuntu

Possible fixes

https://github.com/louisgag/openFoam-Overset-SpeedUp