I think that most fluid simulations for games would be pretty far from physically accurate just for the sake of speed. Doing a full simulation at any sort of r

I think that most fluid simulations for games would be pretty far from physically accurate just for the sake of speed. Doing a full simulation at any sort of resolution would totally kill your framerate, and you've got a lot of other stuff going on as well. A relevant quote from Dwarf Fortress developer ToadyOne (regarding the fluid system in DF): "The only thing impressive about it is probably that it runs at all while everything else is going on".