OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › Bug Reports › Segmentation fault › Reply To: Segmentation fault October 25, 2021 at 10:51 am #6092 FanyParticipant Hi Adrian, the problem was solved by parallel computation. thanks. Presently, I want to build a triangle geometry. Can I refer to and adapt the SmoothIndicatorTriangle2D to do that?