FR3D Posted November 25, 2013 Share Posted November 25, 2013 hello, i am trying to use a vortex force to animated a tornado(yes another tornado thread ....), the problem is that the smoke blows away, i am using particles to emit the smoke, i removed it in this file to make it simpler to debug I believe the problem comes from the fact that i am using "add" in dop/smoke source>> velocity tab The thing is that i don't want to use copy as i find the result to homogeneous. So i tried to find a way to limit the speed so it doesn't keep adding but i couldn't find a way to do so. I looked in the help file about the smoke solver and i saw that they were talking about speed limit, yet i couldn't find it on the solver i have looked at many threads about tornado, the thing is that i want to use what i know about houdini without having just to copy paste from someone's else work. i just need to be able to use any speed i want without the tornado breaking appart. i added a ramp for the orbitrad, to give the vortex the shape i want. vortex blow up smoke.hipnc Quote Link to comment Share on other sites More sharing options...
FR3D Posted November 25, 2013 Author Share Posted November 25, 2013 i discovered 2 things that avoid the tornado to blow up: 1)increase drastically the radius of the vortex force 2)keep the drag constant to 1 Quote Link to comment Share on other sites More sharing options...
woailuoku Posted July 22, 2018 Share Posted July 22, 2018 hi do you solve this error? its same to me ,but i dont know how to fix it ljf2.hip Quote Link to comment Share on other sites More sharing options...
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