From: bangerth Date: Sun, 24 Oct 2010 16:39:46 +0000 (+0000) Subject: Mention step-40. X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be9f3c43417187d7d0d74643607213d7e3b00f1c;p=dealii-svn.git Mention step-40. git-svn-id: https://svn.dealii.org/trunk@22455 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/examples/step-18/doc/intro.dox b/deal.II/examples/step-18/doc/intro.dox index aa86d2a2de..83f12fdb2c 100644 --- a/deal.II/examples/step-18/doc/intro.dox +++ b/deal.II/examples/step-18/doc/intro.dox @@ -7,12 +7,14 @@ that we have already started with step-8 and step-17. It extends it into two different directions: first, it solves the quasistatic but time dependent elasticity problem for large deformations with a Lagrangian mesh movement approach. Secondly, it shows some more techniques for solving such problems -using %parallel processing with PETSc's linear algebra. In addition to this, we -show how to work around the main bottleneck of step-17, namely that we -generated graphical output from only one process, and that this scaled very -badly with larger numbers of processes and on large problems. Finally, a good -number of assorted improvements and techniques are demonstrated that have not -been shown yet in previous programs. +using %parallel processing with PETSc's linear algebra. In addition to this, +we show how to work around one of the two major bottlenecks of step-17, namely +that we generated graphical output from only one process, and that this scaled +very badly with larger numbers of processes and on large problems. (The other +bottleneck, namely that every processor has to hold the entire mesh and +DoFHandler, is addressed in step-40.) Finally, a +good number of assorted improvements and techniques are demonstrated that have +not been shown yet in previous programs. As before in step-17, the program runs just as fine on a single sequential machine as long as you have PETSc installed. Information on how to tell