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Natural Convection problem

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Old   July 10, 2016, 13:46
Default Natural Convection problem
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Obi
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Hello,

I need advise on how to setup a simulation for natural convection on Ansys. I'm trying to simulate the loss of heat from a hot cup of coffee (say 85 degC) to the environment. I've searched videos of similar problem to no avail. I've sucessfully set up conduction on the cup and convection of the outside walls to the ambient, but i need to see the transient effect of convection (buoyancy effects) on the coffee itself. How do i go about it?
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