v2026.11.16174
Reference / Input deck / model / fluid zones / rotating

rotating

type: rotating

A rotating frame on mesh cell zones (MRF); the mesh stays still.

axisrequired
unit vector (3 floats)·required

Axis of rotation.

Used inwheel
originrequired
vector (3 floats)·required·in m

A point on the axis of rotation.

Used inwheel
omegarequired
float·required·in rad/s

Angular velocity, positive right-handed about 'axis'.

Used inwheel
cell zonesrequired
list of int·required

Mesh cell zone numbers whose cells are solved in the rotating frame, for example "cell zones": [17]

Used inwheel
Guidance: Choosing a fluid-zone model →