[Fransje]

Dear developers, debuggers and forum readers,

When using the directMappedVelocityFlux patch to remap the U field, pisoFoam crashes when using the NEARESTFACE option.

If interested, I can post the error message associated with the crash, but I've traced the origin back to the following piece of code in directMappedVelocityFluxFixedValueFvPatchField:

00209             newUValues = patch().patchSlice(newUValues);

The thing is that newUValues was declared slightly higher with

00176     vectorField newUValues;

but was not used/instantiated after that.
Reading the similar routine used in directMappedFixedValueFvPatchField.C, I guess the variable in brackets should be allUValues and not newUValues, leading to:

00209             newUValues = patch().patchSlice(allUValues);

This is however only an educated guess of yours truly, since I don't know what the patch().patchSlice() function does...

I was also wondering if a kind soul could also make good use of this discussion and explain to me what the patch().patchSlice() command does?

Kind regards,

Francois.