I don't know why this is happening, but my water simulator is not working. Here is my setup: Setup

The selected object as well as the other big object are both obstacles. There is a rectangle at the top as the inflow and another at the bottom as the outflow. The whole thing is surrounded with a cube that is the domain (it is hidden now). Basically, it is a slab then a drop then a slab. A side view looks like this:

x       0
ooooooo 0
      o 0
      o 00000000
      o        y

o - Object 1, obstacle
0 - Object 2, obstacle
x - Object 3, inflow
y - Object 4, outflow

And a cube as the domain surrounding all of that. I have the default settings on all except for no slip and some velocity on the inflow and water on the domain for viscosity. When I bake the domain just stays a cube. What would cause this?

The blender file:

  • $\begingroup$ Could you upload your .blend file to here? $\endgroup$
    – Shady Puck
    Commented May 30, 2016 at 21:32
  • $\begingroup$ @ShadyPuck done. $\endgroup$ Commented May 30, 2016 at 21:36

1 Answer 1


Share the file just to make sure, but you can try to set the volume initialization on all the objects to both, and make the domain object larger.

  • $\begingroup$ One of those seemed to have done it $\endgroup$ Commented May 30, 2016 at 21:40

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