From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 17 Oct 2007 19:48:48 +0000 (+0000)
Subject: Compute the time step the correct way.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d1ab8e245fa90cbc684733406ca620d98a77614;p=dealii-svn.git

Compute the time step the correct way.

git-svn-id: https://svn.dealii.org/trunk@15341 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/examples/step-22/step-22.cc b/deal.II/examples/step-22/step-22.cc
index c08c0d5f14..5dfb2cbad3 100644
--- a/deal.II/examples/step-22/step-22.cc
+++ b/deal.II/examples/step-22/step-22.cc
@@ -788,7 +788,7 @@ void BoussinesqFlowProblem<dim>::solve ()
     A_inverse.vmult (solution.block(0), tmp);
   }
 
-  time_step = std::pow(0.5, double(n_refinement_steps)) /
+  time_step = GridTools::minimal_cell_diameter(triangulation) /
               std::max(get_maximal_velocity(),1.);
 
   assemble_rhs_T ();