From 4e5175ed046e5ff6121e6e5c706e807e480c2536 Mon Sep 17 00:00:00 2001 From: bangerth Date: Sat, 15 Mar 2014 03:01:56 +0000 Subject: [PATCH] Make the documentation of one function slightly clearer. git-svn-id: https://svn.dealii.org/trunk@32656 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/include/deal.II/numerics/vector_tools.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/deal.II/include/deal.II/numerics/vector_tools.h b/deal.II/include/deal.II/numerics/vector_tools.h index 9558de7a42..b1570b6c67 100644 --- a/deal.II/include/deal.II/numerics/vector_tools.h +++ b/deal.II/include/deal.II/numerics/vector_tools.h @@ -1,7 +1,7 @@ // --------------------------------------------------------------------- // $Id$ // -// Copyright (C) 1998 - 2013 by the deal.II authors +// Copyright (C) 1998 - 2014 by the deal.II authors // // This file is part of the deal.II library. // @@ -1675,8 +1675,11 @@ namespace VectorTools /** * Compute the constraints that correspond to boundary conditions of the - * form $\vec n \times \vec u=0$, i.e. flow normal to the boundary if $\vec - * u$ is a vector-valued quantity. This function constrains exactly those + * form $\vec n \times \vec u=0$. This corresponds to flow with no tangential + * component, i.e. flow is parallel to the normal vector to the boundary if $\vec + * u$ is a vector-valued quantity. + * + * This function constrains exactly those * vector-valued components that are left unconstrained by * compute_no_normal_flux_constraints, and leaves the one component * unconstrained that is constrained by compute_no_normal_flux_constraints. -- 2.39.5