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- - **Problem with the cylindrical coordinates**
(*https://www.cfd-online.com/Forums/openfoam-solving/60389-problem-cylindrical-coordinates.html*)

Hi,
I need your help, so anyHi,
I need your help, so any help is welcome. I want resolve this equation in O.FOAM: --------------- Laplacian(V)+ (1/r)*V=Source V is volScalarField --------------- it's written in cylindrical coordinate(r,theta,z). In my case I consider the X like axis of rotation and Y like the direction (r) with (X,Y,Z) is cartesian coordinates. I write my equation in O.Foam like that: --------------- Laplacian(V)+ (1/y)*V=Source --------------- with y=mesh.C().component(vector::Y); But the result of this way of writing gives the different result with the Literature. thank you for your help |

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