wallDist method meshWave does clipping twice
In the code src/finiteVolume/fvMesh/wallDist/patchDistMethods/Poisson/PoissonPatchDistMethod.C
it twice does clipping:
// For overset: enforce smooth y field (yPsi is smooth, magGradyPsi is
// not)
mesh_.interpolate(y);
// Need to stabilise the y for overset meshes since the holed cells
// keep the initial value (0.0) so the gradient of that will be
// zero as well. Turbulence models do not like zero wall distance.
y.max(SMALL);
// For overset: enforce smooth y field (yPsi is smooth, magGradyPsi is
// not)
mesh_.interpolate(y);
Not sure but only second one probably needs to be done. Check.