Introduction to Fluid Simulator

Learn the basics of fluid simulation in Blender

In this Blender 2.5 video tutorial we take a beginner’s look at creating a basic fluid simulation. This tutorial details the basics of many of the settings involved with fluids and how to understand them.

Note: this tutorial uses the official Blender 2.5 Alpha 2 release.

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63 Responses to “Introduction to Fluid Simulator”
  1. Posts: 2
    Neil Kolban says:

    Loved the tutorial. Was the second (more advanced) tutorial every made?

  2. Posts: 12
    Cal McGaugh says:

    Hey Jonathan!

    Thanks for the awesome tuts! Very easy to follow…you’re
    a natural teacher.


  3. Posts: 87
    connor says:

    hmm…a little different in 2.60 eh? :)

  4. Posts: 1
    John says:

    Hi, Thanks for the tutorial.

    I have one problem, following the steps in the video I can not scale, i.e. change the size, of the tracer particles.Can anyone explain how this can be achieved?

    Using the s-Key to scale the icosphere does not change the size of the tracers….

    I’m using 2.61 v. 1762 on Windows.

    Happy New Year…


  5. Posts: 1

    hi Jonothan . Great tut . I have hidden the fluid object but when i render the fluid object is render also ?? Any suggestions ?

    • Posts: 2
      Carl says:

      Same problem here…

    • Posts: 2
      Carl says:

      Just worked it out. On the section (top right), as well as clicking on the eye to make it hidden, you also have to click on the camera to remove it from the render

  6. Posts: 4
    tnak says:

    Very cool. I have a question, you change the time to one second int the domain parameters, and also in the timeline to 25F. It’s ok for me but if i want to change the fps, where i can do that ? Nothing in the playback menu for that in 2.62 ?

  7. Posts: 1
    vincent says:

    i can’t make it happen. i press “1” for front view but your cube is made of lines while mine is with walls… did you pressed anything else?

    also, i somehow managed to get some animation but it was static………….no water just cube standing

  8. Posts: 19
    Casey Wagner says:

    Great tutorial! For some reason my water isn’t transparent though. (Using 2.64) The material preview shows the sphere as transparent and somewhat reflective (copied all the settings exactly) so I’m not sure why the render does not.
    Either way, this was great fun to play around with.

    • Posts: 19
      Casey Wagner says:

      Oh, never mind. I’m dumb. :) I had the fluid marked transparent, but it was when I flagged the domain as transparent that it worked :)

  9. Posts: 1
    Mark Keeler says:

    Excellent tutorial, everything worked and the explanations were clear and easy to follow.

  10. Posts: 4
    Lia Ark says:

    awesome tutorial, asking this may be to soon, but, how can I make a fluid follow a shape?,not like a domain but giving the liquid flow an actual shape like letters or a spiral? sorry my english. thanks for the tutorial again!

    • Posts: 4194

      If you give the object a “Fluid” type then it will start out in the original shape of the object. This makes it very easy for doing shape > fluid transformations. Just keep in mind that you’ll need a pretty high resolution to accurately capture most shapes in fluid.

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