dealii/dealii — pull request #120 by bangerth (2014-08-28 19:25:38+00:00)
Title: Step 53

This is a replacement for our original attempt at providing a step-53. It uses a more realistic situation, not
something as contrived as before. It also produces much more interesting pictures such as
http://www.dealii.org/images/steps/developer/step-53.topo.png