r, the distance from the face's centre; constraints.flow_rate targets a volumetric rate; inlet_flow.csv records each inlet per step.components: cartesian) and several frames, interpolated linearly in time and optionally repeated (repeat: true). field_slice records a plane through field_files and frame_interval.constants:, and rho and nu from properties.fluid, are available to every source.handler: moving is a wall moving along itself at a velocity source. Refused with a wall function.-inlet_source_<id>_* is now -face_source_<id>_*.