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August 10, 2018, 11:26 |
Multifluid VOF filling simulation
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#1 |
New Member
Join Date: Dec 2015
Posts: 4
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Hello!
I wanted to test different VOF modeling options and phase interactions. First I set up a simple 2D geometry with an inlet at lower right hand corner with water volume fraction = 1. Top left hand corner has a pressure outlet with water backflow vof = 0. Primary phase is air initially filling the whole domain. The attached picture shows the water vof at some instance. I expected the water would first fill the U-shaped bottom curve but instead it is flowing as a narrow stream to upright tube. I could not figure out what is driving the water as such a narrow stream. Any ideas what could be wrong? Gravity is set. Reference operating density is that of air. There are no phase interactions set in this case. Model is multi fluid VOF. |
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