Assumed I do the latter, do you have any example codes for that? I get the component mask, but do not know how to combine the mask with my vector. Thanks!
Am Samstag, 17. März 2018 03:46:38 UTC+1 schrieb Wolfgang Bangerth: > > On 03/16/2018 02:38 AM, 'Maxi Miller' via deal.II User Group wrote: > > I am calculating two PDEs, containing two variables (using a vector > aproach, > > as described in > > https://www.dealii.org/8.5.0/doxygen/deal.II/group__vector__valued.html). > Thus > > both variables (or their solution) are stored in the solution-vector. Is > there > > a way to separate them, so that I can get the maximum value of each > variable? > > If I call vector.max(), I get the maximum value of both variables > combined. > > The easiest way may be to partition the vector based on vector component > as we > do in a number of tutorial programs. > > A different approach is to use DoFTools::extract_dofs() to get a mask that > indicates which DoFs belong to one particular vector components. This mask > then dictates which elements you want to take the maximum over. > > Best > W. > > -- > ------------------------------------------------------------------------ > Wolfgang Bangerth email: bang...@colostate.edu > <javascript:> > www: http://www.math.colostate.edu/~bangerth/ > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
