Reference / Input deck / solver / convergence control / relaxation ramp
relaxation ramp
Scales the under-relaxation factors (alpha_u, alpha_p, turbulence relax), rising linearly from initial to 1, so the solver starts more relaxed. initial >= 1 (the default) disables it
initialrequired
float·required·> 0
Ramp value on the first pseudo cycle; the ramp eases to 1 from here
Guidance: Choosing a time-marching scheme →cycles
float·default 300·> 0
Number of pseudo cycles over which the ramp reaches 1
Guidance: Choosing a time-marching scheme →