Scene: RealFlow + Graphs scene to download.

Hi,

I want to show you a video made with graphs in RealFlow 2013 to generate the sea turbulences. The scene is attached without geometry. The graph is based on the surface_force_field demo scene but it is adjusted for a domain of 214×90. The global scale for the cell size parameter is set to 2. Keep in mind to increase or decrease these value to get more or less particles.

generate_turbulence

Download the scene and the graph from here

Enjoy RealFlow2013!

luisM.

10 comments

  1. Hi, i had a question about this and the surface force field graph..the vector position on the fluid surface where the turbulence is generated is specified in the Matrix4CreateTranslation_01 node…if we set y to 0..surface field is generated at 0 on the grid…but where can we specify the length of that vector?..as in how thick/deep is the generated turbulence..? in bandwidth?…hope i was able to explain what i am asking properly
    Thanks🙂

  2. also what does the real01 node does..? not sure but setting it to 1 does seem to have an effect on the extent the particles are displaced..default is 0.5..so basically i would like to knw how does real01,Matrix4CreateTranslation_01 ,bandwidth and field force work in conjuction with each other

  3. Hello Luis, I’m not able to set the right parameters for a Domain of 25x30x65.
    This chart only works for large scale, but if I wanted to use it for most small domains which parameters should I change?

    1. Hello Anthony,

      Just try to change the global cell size scale. I’d leave the parameters by default and changing the global cell size you will be able to play with number of particles for that domain scale. If you want to increase the simulation velocity you can increase the cell size parameter for objects. I mean, if it is by default to 0.3, try with 0.5 or 0.6. The global cell size will affect to all cell size parameters at the same time, but sometimes, you could want a higher value for your cell size parameter for objects to speed up the simulation.

      luisM.

    1. Hey sukumar,

      It is probably you are applying a high value for height and UVs. Anyway, once RealFlow 2014 is out, I advice you to try the Ocean Force Field daemon. The graph won’t be necessary anymore to do this kind of scenes.😉

      luisM.

  4. Hello luis, I am trying to apply this graph to domain with different dimenssions, but it is not affecting the whole domain. what might be wrong

    1. Hey Ranjith,

      I advice you to use the Ocean Force Field daemon. This graph was almost the same that the Ocean Force Field daemon does, but using the daemon is easier than using the graph because you don’t need to check out the scene dimensions manually, the daemon will do it for you.

      luisM.

  5. Hello Luis,

    How can we attenuate the vector3Field so there’s falloff at the edges? I know distancefieldmask won’t work because that just masks off (whether it’s taking values from plus SDF or minus SDF)… i need to create a falloff of the vectors at the edges so it’s not so abrupt when using on a small area of the fluid domain… to get a turbulence effect the fluid with falloff at the edges… not a hard edge. Thanks! Very important this is for VFX in motion picture I’m working on.

    1. Hi Allen,

      Sorry for delayed answer. If it helps, you don’t need to use that graph anymore. In RealFlow 2014 there is a daemon called Ocean Force Field to apply turbulences for the fluid to generate waves. In addition, it includes attenuation for the axis you need.

      luisM.

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