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CFX-Post: uniformly zero gradient of non constant variable |
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February 18, 2015, 17:38 |
CFX-Post: uniformly zero gradient of non constant variable
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Elh. A2. BAH
Join Date: Jan 2012
Posts: 64
Rep Power: 14 |
Dear all,
I am trying to compute the gradient of a newly created variable. But this gradient is zero every where even though the original variable in not constant. For example I can obtain the gradient of the static pressure without any problem. But it I create a Mach number variable, its gradient come to be zero everywhere. I tried a small verification: even when I create a variable var to be var=Static Pressure, the var.Gradient is uniformly zero while Static Pressure.Gradient is not. Can someone explain me what is going wrong? And how I can obtain the gradient of newly created variables? Thanks all and best regards, ebah |
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