New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › gpu usage question › Reply To: gpu usage question March 9, 2023 at 9:27 am #7294 H.YuParticipant It has been confirmed that an error occurs when using ‘using namespace olb::util’