distributedTriSurfaceMesh surfacesMesh(IOobject("wallSurface.stl", runTime.constant(), "triSurface", runTime, IOobject::NO_READ, IOobject::NO_WRITE), localSurface, dict)
List< treeBoundBox > meshBb(1, treeBoundBox(boundBox(coarseMesh.points(), false)).extend(rndGen, 1e-3))