New version of OpenLB was released. Download here OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Parallel computing (MPI) about version 1.8.1 › Reply To: Parallel computing (MPI) about version 1.8.1 June 23, 2025 at 1:13 pm #10398 YupengParticipant Dear Adrian, Thanks for your reply! Parallel computing has been worked for me!