In houdini, there are 3 different types of volume fluids you can work with. These are:
Pyro, Flame, Smoke and Liquid. To help me understand the kinds of things these could be used for, I decided to simply set up a scene with one of each container, then source from 4 identical spheres and analyse the results. Here is a screen grab of this:
as you can see, they all give very different effects, considering that they are all set to default values. It seems that:
Pyro: gives a combusterbal smoke cloud, with the abillity to easily add fuel in areas to increase the reaction.
Flame: will actually burn and deform an object it is applied to. The reaction given off is a mixture of heat and density, driven by the rate of decay from the geometry.
Smoke: this seems to simply emit a density from the selected geometry, with options to effect bouency ect. Fuel and temperature are possible, but this is better for cloudy, low reaction fluids
Liquid: this is by far the most different from the group. It seems to use the voxels to generate a surface based on the density. Obviously impracticle for any smoke or gassy fluids, but very useful in simulating the flow of water.
Pyro, Flame, Smoke and Liquid. To help me understand the kinds of things these could be used for, I decided to simply set up a scene with one of each container, then source from 4 identical spheres and analyse the results. Here is a screen grab of this:
as you can see, they all give very different effects, considering that they are all set to default values. It seems that:
Pyro: gives a combusterbal smoke cloud, with the abillity to easily add fuel in areas to increase the reaction.
Flame: will actually burn and deform an object it is applied to. The reaction given off is a mixture of heat and density, driven by the rate of decay from the geometry.
Smoke: this seems to simply emit a density from the selected geometry, with options to effect bouency ect. Fuel and temperature are possible, but this is better for cloudy, low reaction fluids
Liquid: this is by far the most different from the group. It seems to use the voxels to generate a surface based on the density. Obviously impracticle for any smoke or gassy fluids, but very useful in simulating the flow of water.
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