Grid Smoke Solver Node set settings for the smoke fluid simulation.

Input / Emitter Grid:
Input emitter for simulation. You must connect this input for work.

Input / Obstacle Grid:
Input obstacle object vdb data for simulation.

Output / Simulation Data:
output result simulation data.

Use optimized grid:
When checked, use full optimized simulation grid for keep maximized simulation speed.
When you use Wavelet turbulence generate on the thin smoke simulation, you may get trouble with WT result. In that case, please uncheck this option.

Time Speed FPS [frame / sec]:
Defines frame rate for the simulation.

Use Smoke:
When checked, activate smoke simulation.

Smoke Decay Threshold:
Defines smoke decay threshold. If smoke concentration is less than this value, smoke start decay.

Smoke Decay [%]:
Defines percentage of smoke decay.

Smoke Dissipation:
Defines smoke Dissipation threshold. If smoke concentration is less than this value, it will be dissipation from the voxel.

Smoke Weight:
Defines weight of the smoke.

Temp. Decay Threshold:
Defines temperature decay threshold. If temperature is less than this value, temperature start decay.

Temp. Decay [%]:
Defines percentage of temperature decay.

Temp. Dissipation:
Defines temperature Dissipation threshold. If temperature is less than this value, it will be dissipation from the voxel.

Temp. Diffuse:
Defines temperature Diffuse. If this value larger than zero, temperature will be diffuse in every frame.

affect Buoyancy:
Defines Buoyancy rate. Larger this value and high temperature get more buoyancy.

Use Fire/Fuel:
When checked, activate fire and fuel simulation.

Ignition temperature:
Defines ignition temperature. Fuel will burn when temperature is greater than this value.

Burn Rate:
Defines burn rate of the fuel. Percentage of fuel that is burned in every frame.

Heat Production:
Defines heat production rate of temperature increase when burn fuel.

Expansion:
Defines expansion rate of pressure increase when burn fuel.

Fuel Decay [%]:
Defines percentage of fuel decay.

Fuel Dissipation:
Defines fuel Dissipation threshold. If fuel is less than this value, it will be dissipation from the voxel.

Fire Create Smoke:
When checked, create smoke by fire.

Fire Smoke Production:
Defines amount of smoke production by fire.

Use Color:
When checked, activate color simulation. You can choose CMYK(additive) or HSV(subtractive) mode.