VOF open channel flow simulation -- CFD Online Discussion Forums

February 25, 2017, 04:04

VOF open channel flow simulation

masoud.ravan

Member

Masoud Ravan

Join Date: May 2016

Location: Tehran

Posts: 59

Rep Power: 10

Hi everyone, I am simulating a hydraulic jump in the stilling basin. At the Beginning, flow starts from a rectangular channel. Fluent solved the problem but as you see in the pictures, there is a water surface reduction at the beginning...and I cannot find the reason

. I will appreciate your help.

inlet boundary condition for water: velocity inlet
inlet boundary condition for air: Pressure inlet
outlet boundary condition for air: Pressure outlet
model: VOF, Implicit, transient
Thanks in advance.

Attached Images

	basic_model_2 8 16400 final_70sec.jpg (110.3 KB, 20 views)
	basic_model_2 8 16400 final_70sec.png (72.5 KB, 17 views)

Tags

fluent, multiphase flow, open channel flow, vof

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