v2026.11.16174
Reference / Input deck / solver / numerical scheme / preconditioner

preconditioner

Low Mach number preconditioner settings

minimum mach numberrequiredadvanced
minimum mach numberrequiredadvanced
float·required·> 0.0

Cut-off Mach number for low-Mach preconditioning: floors the preconditioning reference velocity so it cannot collapse at a stagnation point. Overrides the Mach-dependent default.