How can I specify different boundary conditions for my domain boundary and for the 'inner' boundaries surrounding the holes?
Is there something like: if (elem->neighbor(s) == NULL) that I can use for the hole boundaries? Thanks, Robert Am Montag, den 06.12.2010, 10:57 -0600 schrieb John Peterson: > On Mon, Dec 6, 2010 at 10:26 AM, robert <[email protected]> wrote: > > Hi, > > I just have a problem with my next step: The wholes in my domain > > represent minerals in which no diffusion is happening. However, the > > minerals are growing with time. Now I have the following problem: > > > > > > The growth of the mineral at each point corresponds to the flux of the > > incoming material. Thus, I would like to integrate the incoming flux > > (gradient) along the boundary of the whole to be able to calculate the > > total growth rate. Furthermore the boundary points of the whole must not > > vary in concentration (they have to stay zero - in my model the mass > > conservation at these points is carried out by the growth of the mineral > > - in fact, I am not diffusing concentration but chemical potential). > > Sounds like you have an interesting application... and what you want > to do seems reasonable within Libmesh... but is probably outside the > scope of what any of the developers can actively help you with in > general terms. When you run into specific problems along the way we > may be able to provide some guidance and/or suggestions on this list. > ------------------------------------------------------------------------------ What happens now with your Lotus Notes apps - do you make another costly upgrade, or settle for being marooned without product support? Time to move off Lotus Notes and onto the cloud with Force.com, apps are easier to build, use, and manage than apps on traditional platforms. Sign up for the Lotus Notes Migration Kit to learn more. http://p.sf.net/sfu/salesforce-d2d _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
