Forgot to say: Chapters 8 and 11 are the relevant ones in the FEniCS book. -- Anders
mån 22 juni 2015 kl 13:56 skrev Anders Logg <anders.l...@gmail.com>: > Hi, > > To add features to the tensor representation-based code generation, you > need to make changes to FFC. > > More specifically, my recommendations would be to: > > 1. Read chapter X in the FEniCS book (can be downloaded from web page). > > 2. Dig into the code in FFC in the subdirectory ffc/tensor > > 3. Make changes to ffc/tensor/monomialtransformation.py and possibly other > files. > > 4. Create a simple test case (a UFL file). > > 5. Don't be afraid to experiment with <change Python code> - <compile > form with ffc foo.ufl> - <look at C++ code>. > > 6. Good luck. :-) > > -- > Anders > > > tis 16 juni 2015 kl 16:26 skrev Steven Vandekerckhove < > steven.vandekerckh...@kuleuven-kulak.be>: > >> Dear all, >> >> I'm using a DG discretization to solve different kinds of wave equations >> in time domain. >> I would like to use faster assembly for these systems. Garth suggested >> using >> parameters['form_compiler']['representation'] = 'tensor' >> in stead of the default >> parameters['form_compiler']['representation'] = 'quadrature' >> >> Unfortunatly the tensor representation appears not to support Facet >> Normals: >> "ffc.tensor.monomialextraction.MonomialException: No handler defined for >> terminal FacetNormal." >> >> I would be happy to invest some time in adding the necessary code to >> make this possible (since I really need the speed-up), >> is there anyone who could get me started (Give a rough idea of what has >> to be done, and what scripts I should look at)? >> >> Thanks in advance, >> Steven >> >> P.s. I have some experience with making adjustments to dolfin >> _______________________________________________ >> fenics mailing list >> fenics@fenicsproject.org >> http://fenicsproject.org/mailman/listinfo/fenics >> >
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