Atom Posted March 15, 2018 Share Posted March 15, 2018 (edited) I create a sphere then click on Billowy Smoke. I disable noise on the fluid source node so I get an even smooth volume sphere. I dive into the DOP network and set buoyancy lift to zero and turn off all shaping. At this point when I simulate, nothing happens, no forces are disturbing my density sphere. But shouldn't the smoke fall to the floor? There is a gravity node present. Do I have to somehow add mass to density to get gravity to affect it? ap_smoke_ignores_gravity.hiplc Edited March 15, 2018 by Atom Quote Link to comment Share on other sites More sharing options...
Atom Posted March 15, 2018 Author Share Posted March 15, 2018 Ok, it looks like under the Advanced tab for External Forces, Gravity is excluded by default. If I remove that exclusion, gravity does affect my sim. Quote Link to comment Share on other sites More sharing options...
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