CHOICE OF ADVECVTION SCHEME in the cfx

u k jha · February 18, 2011, 01:39

Dear sir,

I am solving a centrifugal fan problem. As i am going for the solver control. I am getting three options for the advection scheme as given below

1. high resolution (blend factor varies between 0.0 to 1.0)
2. upwind ( blend factor = 0.0 )
3 specified blend factor having default value 1.0

As blend factor is 1.0 Which scheme is applied ?
1) second order upwind, or
2) Second order central differencing scheme

ghorrocks · February 18, 2011, 07:05

Blend factor=1.0 means pure second order upwind.

February 18, 2011, 01:39	CHOICE OF ADVECVTION SCHEME in the cfx	#1
u k jha New Member uk jha Join Date: Apr 2009 Posts: 16 Rep Power: 17	Dear sir, I am solving a centrifugal fan problem. As i am going for the solver control. I am getting three options for the advection scheme as given below 1. high resolution (blend factor varies between 0.0 to 1.0) 2. upwind ( blend factor = 0.0 ) 3 specified blend factor having default value 1.0 As blend factor is 1.0 Which scheme is applied ? 1) second order upwind, or 2) Second order central differencing scheme

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February 18, 2011, 07:05		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,852 Rep Power: 144	Blend factor=1.0 means pure second order upwind.