Surface tension is not working #95914
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Reference: blender/blender#95914
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System Information
Operating system:Windows-10-10.0.19041-SP0 64Bits
Graphics card:NVIDIA GeForce RTX 2080/PCIe/SSE2
Blender Version
Broken:3.1.0 Alpha, branch: K-Cycles, commit date: 2022-01-16 15:45, hash: 164a13275cf8
Worked:
Short description of error
In mantaflow fluid simulation, change the value of 'surface tension' does not work at all, My cpu is Intel(R) Core(TM) i7-9700K CPU @ 3.60GHz 3.60 GHz, i tried different version of blender, it didn't work either
surface1.blend
Added subscriber: @liang-yunfei
#100046 was marked as duplicate of this issue
Added subscriber: @iss
Changed status from 'Needs Triage' to: 'Needs User Info'
Can you check if specifying cache patch manually does resolve this issue? I have changed mine to
//cacheand it started workingThank you so much for your reply!! I tried your method just now, I change it to //cache or other file path and it did not work. So it is my computer's problem?
I downloaded Blender version 2.8.3 and surface tension works in that version, but I need viscosity as well as surface tension, so I can't use 2.8.3 or ealier version. I really need help with getting 'surface tension' work again in 2.9 or newer version! I will be grateful for any help!
Changed status from 'Needs User Info' to: 'Needs Triage'
Added subscriber: @OmarEmaraDev
Changed status from 'Needs Triage' to: 'Needs Developer To Reproduce'
I can replicate that. Setting surface tension to 100 and 10 have no difference on the outcome at all.
I can still replicate that in blender 3.3, and it works in blender 2.8.When will this be fixed? I really need this function in fluid simulation. I will be so grateful if I am told when this problem can be fixed!
Added subscribers: @efimpetelin, @rlguy
liang yunfei (LemonBranny) wrote surface tension works in Blender 2.83 so I tested it in 2.83.12 with the same setup and was surprised a lot! Not only surface tension works perfectly, but the whole sim is quite different and much more realistic in my opinion.
I made comparison video to clarify this:
Mantaflow_Fluid_Sim_Comparison_2.83_vs_3.2.1.mp4