From: Wolfgang Bangerth Date: Fri, 23 Sep 2011 00:48:37 +0000 (+0000) Subject: Minor addition. X-Git-Tag: v8.0.0~3424 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6b4a07c7483b6c530f05562cba724c96eea11f6;p=dealii.git Minor addition. git-svn-id: https://svn.dealii.org/trunk@24382 0785d39b-7218-0410-832d-ea1e28bc413d --- 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: