Dear all,

i am conducting hydrodynamical simulations with OpenFOAM. As to my knowledge OpenFOAM uses implementation of the Dirichlet condition, called fixedValue, and the Neumann boundary condition, called fixedGradient.

For a publication I am required to give quotes proving that the fixedValue is indeed a Dirichlet and the fixedGradient a Neumann condition.

Question: Can you name few good sources, that discribe the implementation of the Neumann and Dirichlet boundary condition in OpenFOAM?

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