Neumann boundary conditions

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Neumann conditions, Neumann data, boundary conditions of the second kind

Consider a second-order partial differential equation on a domain in with boundary (cf. also Differential equation, partial, of the second order). Boundary conditions of the type

where is the outward pointing normal at , are called Neumann boundary conditions.

A boundary value problem with Neumann conditions is also called a boundary value problem of the second kind (see Second boundary value problem).

See also First boundary value problem; Dirichlet boundary conditions; Third boundary value problem.

How to Cite This Entry:
Neumann boundary conditions. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by M. Hazewinkel (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article