Hi Markus It's a cube, but within it is another subdomain. Ideally, this subdomain is what I want to work with.
I could use all the points in the cube, and set the values of points outside the subdomain to a constant value, but I just wondered if there was a way to exclude these and save some computation. Ted On 29 November 2010 23:46, Markus Bürg <[email protected]> wrote: > Hello Ted, > > why do you want to exclude degrees of freedom from your computation? The > more degrees of freedom you use the more accurate is your solution. Or are > we leading the wrong way? How does your real geometry look like? Isn't it a > cube? > > Best Regards, > Markus > > > > Am 30.11.10 00:29, schrieb Ted Kord: > > Hi > > I beg your indulgence again. > > When the mesh is created using GridGenerator::hyper_rectangle, there will > be n_dofs. Some of these will be empty space in the box/cuboid, i.e., not > part of the actual geometry. What do I do with these? How do I exclude these > from the solution vector? How can I avoid any computation on these? > > Ted > > > _______________________________________________ > dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii > >
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