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Forum: OpenFOAM Running, Solving & CFD

July 15, 2009, 05:49

Replies: 16

how to program the formula ddy(ux)+ddx(uy)

Views: 3,257

Posted By su_junwei

const volVectorField & C=mesh.C(); ...

const volVectorField & C=mesh.C();
volScalarField x=C.component(0);
volScalarField y=C.component(1);
your formulation
x/(sqr(x)+sqr(y))

Junwei

Forum: OpenFOAM Running, Solving & CFD

July 10, 2009, 20:20

Replies: 16

how to program the formula ddy(ux)+ddx(uy)

Views: 3,257

Posted By su_junwei

you can try volScalarField ux=u.component(0); ...

you can try
volScalarField ux=u.component(0);
volScalarField uy=u.component(1);
volVectorField gradux=fvc::grad(ux);
volVectorField graduy=fvc::grad(uy);
your formulation: ...

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