Problem in setting up no slip boundary condition

swapnil13 · April 20, 2019, 06:53

I am solving flow through pipe. I have three patches of wall as WALL1,WALL2,HEATED WALL.
I am giving no slip boundary condition in U file, but at time of decomposePar command it shows below error

Cannot find 'value' entry on patch WALL1 of field U in file "/home/vortex/OpenFOAM/vortex-3.0.1/run/PIPE/Trial1/0/U"
which is required to set the values of the generic patch field.
(Actual type noSlip)

PositronCascade · April 22, 2019, 10:31

I assume you use OpenFOAM 3.0.1 from your post. In OpenFOAM 3.0.1, you need to define the no-slip BC by fixedValue and type uniform (0 0 0).

yambanshee · April 23, 2019, 11:27

To add to PositronCascade, your pressure would also have to be set to zeroGradient on a wall

April 20, 2019, 06:53	Problem in setting up no slip boundary condition	#1
swapnil13 New Member Join Date: Apr 2019 Posts: 6 Rep Power: 7	I am solving flow through pipe. I have three patches of wall as WALL1,WALL2,HEATED WALL. I am giving no slip boundary condition in U file, but at time of decomposePar command it shows below error Cannot find 'value' entry on patch WALL1 of field U in file "/home/vortex/OpenFOAM/vortex-3.0.1/run/PIPE/Trial1/0/U" which is required to set the values of the generic patch field. (Actual type noSlip)

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April 22, 2019, 10:31		#2
PositronCascade Member Hasan Celik Join Date: Sep 2016 Posts: 64 Rep Power: 9	I assume you use OpenFOAM 3.0.1 from your post. In OpenFOAM 3.0.1, you need to define the no-slip BC by fixedValue and type uniform (0 0 0).

April 23, 2019, 11:27		#3
yambanshee Senior Member Zander Meiring Join Date: Jul 2018 Posts: 125 Rep Power: 7	To add to PositronCascade, your pressure would also have to be set to zeroGradient on a wall