Strange simulation result -- CFD Online Discussion Forums

January 19, 2014, 05:33

Strange simulation result

lehoanganh07

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le hoang anh

Join Date: Oct 2012

Posts: 96

Rep Power: 14

Hi everyone,
I am modeling the two phase flow in 3D Nozzle. The boundary condition are pressure BC for both inlet and outlet section. Two phase model is mixture with some turbulence model.
The solution scheme: PISO transcent.
Gradient: lest square cell base
Pressure: second order
another: QUICK

But when I check the intermediate results, It shown very strange, and also different from experiment (around 16000 interation).

Is my choise for solution correct? Also I received the warning messenger: received flow in XXX face at inlet.

Attached Images

	Nozzle_3D_LES-1-00740.jpg (57.2 KB, 14 views)
	Nozzle_3D_LES-1-007402.jpg (74.3 KB, 15 views)

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