Andrea, if I am not mistaken, the 2nd derivatives are computed by finite difference approximation using the actual mapping. Can you please check?
Best, Guido On Tue, Nov 29, 2011 at 9:35 AM, Andrea Bonito <[email protected]> wrote: > Dear all, > > I would like to extend the current fe_values function computing the > Laplacian to the case where a mappingQ is given. > If I am not mistaken, this is not possible in the current version of dealii. > Of coarse the issue is to compute the derivatives of the coefficients > appearing because of the covariant derivative. > Does someone has a (clever) idea on how to proceed? > > Thanks in advance, > Andrea > > -- > Andrea Bonito > Texas A&M University > Department of Mathematics > 3368 TAMU > College Station, TX 77843-3368 > Office: Blocker 641F > Voice: +1 559 464 5814 > Fax: +1 979 862 4190 > Website: www.math.tamu.edu/~bonito > > _______________________________________________ > dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii -- Guido Kanschat, Department of Mathematics, Texas A&M University In accordance with the Texas Public Information Act all email sent to and from my Texas A&M email account can be obtained through a Public Information Request. If you do not want your correspondence public, please arrange a phone conversation with me. _______________________________________________ dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
