# NEUMANN Boundary

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 November 4, 2005, 05:55 NEUMANN Boundary #1 Ingo Guest   Posts: n/a Hello, does anybody know what the sence of the Neumann boundary is??? Does it make a 3D flow to 2D??? How can i Can implement it in the momentum equation??? Than you!!!!

 November 4, 2005, 06:16 Re: NEUMANN Boundary #2 Tom Guest   Posts: n/a A Neumann boundary condition is simply a condition on the derivative of the variable rather than on the variable itself at the boundary.

 November 5, 2005, 13:54 Re: NEUMANN Boundary #3 Vinod Dhiman Guest   Posts: n/a Hi Yes, its just a boundary condition for differential equation. A boundary condition applied at the first derivative of the function rather than the function itself as in case of Dirchilet Condition. However, in case of Hyperbolic Conservation Laws it has a different role to play. There it's quite different and called Neumann Condition. Vinod Dhiman

 November 20, 2005, 16:08 Re: NEUMANN Boundary *NM* #4 bella ghozati Guest   Posts: n/a

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