CFD Online Discussion Forums - [codedFixedValue]

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- - [codedFixedValue] - reversing patch (https://www.cfd-online.com/Forums/openfoam-solving/254318-codedfixedvalue-reversing-patch.html)

DashaSh

February 2, 2024 04:13

[codedFixedValue] - reversing patch

Hello! I'm using 'codedFixedValue' for the inlet, which depends on the outlet patch.

I have a problem: the values on the inlet patch are 'mirrored' from the outlet patch. How can I fix this? Is there any possibility to reverse the face of the patch?

Code:

forAll(TField, faceI)

             {

                TField[faceI] = fieldOAP[faceI] + 5;

             }

I have also added a schematic image for clarity.
https://imgur.com/D9jN5kV

https://imgur.com/D9jN5kV

NiklasW

February 2, 2024 09:05

Hi :)
as an easy fix, you could maybe rewrite it to:

Code:

forAll(TField, faceI)

             {

                TField[TField.size() - 1 - faceI] = fieldOAP[faceI] + 5;

             }

so that one of the patches counts the face ids backwards.

DashaSh

February 2, 2024 09:40

Thanks a lot!

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