From f6a2e0c0e06c72865ccc848cfe6a8ee053859de1 Mon Sep 17 00:00:00 2001 From: bangerth Date: Fri, 23 Sep 2011 00:48:37 +0000 Subject: [PATCH] Minor addition. git-svn-id: https://svn.dealii.org/trunk@24382 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-32/doc/intro.dox | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/deal.II/examples/step-32/doc/intro.dox b/deal.II/examples/step-32/doc/intro.dox index 2212c3855d..2ebf075a09 100644 --- a/deal.II/examples/step-32/doc/intro.dox +++ b/deal.II/examples/step-32/doc/intro.dox @@ -91,7 +91,9 @@ with which the Stokes equations would read: This is exactly the form we used in step-31, and it was appropriate to do so because all changes in the fluid flow are only driven by the dynamic pressure that results from temperature -differences. +differences. (In other words: Any contribution to the right hand side +that results from taking the gradient of a scalar field have no effect +on the velocity field.) On the other hand, we will here use the form of the Stokes equations that considers the total pressure instead: -- 2.39.5