Two phase flow with VOF

April 29, 2006, 16:24

I am working on annular flow modelling with VOF model. VOF model is very unstable to capture annular flow's details. Interface position is important for me but I could find any satisfactory solution. How can I can get better solutions with Fluent's VOF model? Is someone there who can help me to provide information for this problem? Thanks already

May 3, 2006, 10:13

Maybe you need to try unsteady simulation. I solve VOF with tiny time step before and found the result satisfactory. Maybe you also need to apply 2nd order discretisation too. regards, Jolius

May 16, 2006, 08:01

i want to model fluid flow in mold(casting) i select 2 phase model and vof but my answer is not correct please guide me

very very thank

May 20, 2006, 12:25

Dear Mr. Mohammed are you consider the two phase flow in your case as stratified or no. gave me your answer in my email below: khalidb77@yahoo.co.uk

April 29, 2006, 16:24	Two phase flow with VOF	#1
Charles Guest Posts: n/a	I am working on annular flow modelling with VOF model. VOF model is very unstable to capture annular flow's details. Interface position is important for me but I could find any satisfactory solution. How can I can get better solutions with Fluent's VOF model? Is someone there who can help me to provide information for this problem? Thanks already

May 3, 2006, 10:13	Re: Two phase flow with VOF	#2
J.Gimbun Guest Posts: n/a	Maybe you need to try unsteady simulation. I solve VOF with tiny time step before and found the result satisfactory. Maybe you also need to apply 2nd order discretisation too. regards, Jolius

May 16, 2006, 08:01	Re: Two phase flow with VOF	#3
mohammad khodai Guest Posts: n/a	i want to model fluid flow in mold(casting) i select 2 phase model and vof but my answer is not correct please guide me very very thank

May 20, 2006, 12:25	Re: Two phase flow with VOF	#4
Khalid Guest Posts: n/a	Dear Mr. Mohammed are you consider the two phase flow in your case as stratified or no. gave me your answer in my email below: khalidb77@yahoo.co.uk

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