OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › Bug Reports › Core dumped using SmagorinskyPowerLawBGKdynamics for particle sedimenation › Reply To: Core dumped using SmagorinskyPowerLawBGKdynamics for particle sedimenation August 2, 2019 at 10:44 pm #4491 Junwei GuoParticipant Dear Mathias, Do I need to modify the header/sources file under “${openlbRoot}/src/”, or just need to change the codes within the “int main(int argc, char* argv[]){}”. Thanks, Junwei