Correcting missed call of object InOut save(.,.) inside the iterative loop. This was producing error in the vtk reading, since the files weren't being updated for the new time step after the remeshing operations. Such detail gave me a longstanding headache while hunting the bug at unnecessary sites of the code. Maybe, the update is not a big problem in cases off-remeshing. However, it's better to call the method inside each PBC main version asap!