[firedrake] Demo illustrating more complicated forms

Dear Firedrakers, Please consider the below if you ever need a more complicated variational form for stress testing and benchmarking. https://gist.github.com/meg-simula/3ab3fd63264c8cf1912b Best regards, Marie -- Marie E. Rognes, PhD Head of Department Biomedical Computing Department Simula Research Laboratory P.0.Box 134, 1325 Lysaker, Norway http://home.simula.no/~meg/ Skype: m.e.rognes Cell: +47 45 66 23 96