Liquid setting of material in VOF model
 

Dear all,

I use VOF model to simulate titanium centrifugal casting. I have to set titanium as liquid state, which means molten metal. but FLUENT only allow me to set material as FLUID. I think fluid means both gas state and liquid state. So FLUID state is not specific. Also, I found there are two state of water in FLUENT, liquid and vapor. What's the differences between water-liquid and water-vapor except water-material properties?
Thank you all.

regards,
Dox Kim