the interface reconstruction in InterFoam

young_Cao · June 12, 2012, 20:52

Hi, everybody,I am studying the source codes of the InterFoam recently, as far as I known, for VOF method,you have to reconstruct the interface between different phases based on the solution of the volume fraction, however, I haven't seen the codes of the interface reconstructing, So could anybody tell me which kind of interface reconstructing method is used in the solver,and its corresponding codes in interFoam. And also I don't understand the transporting equation of volume fraction (alpha) they used in the solver, so could anybody explain it,or show me the exact formulation of alpha?

akidess · June 13, 2012, 02:41

See the publicly available PhD thesis's by Henrik Rusche and Edin Berberovic for details on the algorithm.

Phicau · June 13, 2012, 02:52

Hello Young

no interface reconstruction is carried out in interFoam, as the VOF equation is diffusive an artificial compressive term is added. As pointed out by Anton, check those references for full details.

Regards

young_Cao · June 13, 2012, 06:45

Thank both of you, I have download these thesis,I will read them.

June 12, 2012, 20:52	the interface reconstruction in InterFoam	#1
young_Cao New Member Y. Cao Join Date: May 2012 Posts: 5 Rep Power: 13	Hi, everybody,I am studying the source codes of the InterFoam recently, as far as I known, for VOF method,you have to reconstruct the interface between different phases based on the solution of the volume fraction, however, I haven't seen the codes of the interface reconstructing, So could anybody tell me which kind of interface reconstructing method is used in the solver,and its corresponding codes in interFoam. And also I don't understand the transporting equation of volume fraction (alpha) they used in the solver, so could anybody explain it,or show me the exact formulation of alpha?

June 13, 2012, 02:41		#2
akidess Senior Member Anton Kidess Join Date: May 2009 Location: Germany Posts: 1,377 Rep Power: 29	See the publicly available PhD thesis's by Henrik Rusche and Edin Berberovic for details on the algorithm. __________________ On twitter @akidTwit Spend as much time formulating your questions as you expect people to spend on their answer.

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June 13, 2012, 02:52		#3
Phicau Senior Member Pablo Higuera Join Date: Jan 2011 Location: Auckland Posts: 627 Rep Power: 19	Hello Young no interface reconstruction is carried out in interFoam, as the VOF equation is diffusive an artificial compressive term is added. As pointed out by Anton, check those references for full details. Regards

June 13, 2012, 06:45		#4
young_Cao New Member Y. Cao Join Date: May 2012 Posts: 5 Rep Power: 13	Thank both of you, I have download these thesis,I will read them.