[Physics] the best tool for simulating Vacuum and Fluids together

fluid dynamicsresource-recommendationssimulationssoftwarevacuum

I require a software to simulate Fluid simulation with the capability of supporting vacuum simulation. My requirements are that all numbers must reflect their real counterparts almost exactly. For example I need to mix Fluid, Air and Vacuum.

I have tried RealFlow but it doesn't support Vacuum.

Any body knows any software for this?

Best Answer

USim can do vacuum + gas http://www.txcorp.com/home/usim/usim-overview. Not technically true vacuum, but 9 orders of magnitude density jumps. It doesn't support an incompressible fluid (liquid) though.

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