Thanks for the suggestion; I'll take a look. K. Lee.
On Thu, Feb 7, 2013 at 11:14 AM, Vikram Garg <[email protected]>wrote: > Hey Kyunghoon, > I would again recommend you take a look at adjoints > ex_1, if you ignore the stuff about adjoints, it is basically an FEMSystem > for Laplace equation example. > > Thanks. > > On Wed, Feb 6, 2013 at 6:46 PM, Kyunghoon Lee > <[email protected]>wrote: > >> Hi Vikram, >> >> Thanks for the reply. I'm not using FEMSystem, so I'm not sure whether I >> can still overload functions you suggested. I'm looking for some ways >> compatible with introduction_ex3. >> >> K. Lee. >> >> On Wed, Feb 6, 2013 at 10:49 PM, Vikram Garg <[email protected] >> >wrote: >> >> > Hey Kyunghoon, >> > If you are using FEMSystem, then adjoints ex_1 >> > has examples of evaluating Quantities of Interest (QoIs) of the kind you >> > are describing. Essentially, we overload the postprocess, >> > element_postprocess and side_postprocess functions to do the particular >> > post processing we want to do. >> > >> > Overloading element_postprocess will allow you to compute \in_{\Omega} u >> > d\Omega and side_postprocess will allow you to compute \in_{\Gamma} u >> > d\Gamma >> > >> > Thanks. >> > >> > On Tue, Feb 5, 2013 at 10:20 PM, Kyunghoon Lee < >> [email protected] >> > > wrote: >> > >> >> Dear all, >> >> >> >> I'd like to evaluate outputs after solving the 2D Poisson example; for >> >> instance, the sum of u over the entire domain, \in_{\Omega} u d\Omega, >> and >> >> the sum of u over specific boundaries, \in_{\Gamma} u d\Gamma. I >> guess I >> >> need to put some codes for output evaluations after >> >> >> >> equation_systems.get_system("Poisson").solve(); >> >> >> >> , but I'm not sure of what to do --- do I need to create some assembly >> >> functions for output evaluations then attach to the system? I'd >> >> appreciate >> >> it if someone could show necessary steps briefly. >> >> >> >> Best regards, >> >> K. Lee. >> >> >> >> >> ------------------------------------------------------------------------------ >> >> Free Next-Gen Firewall Hardware Offer >> >> Buy your Sophos next-gen firewall before the end March 2013 >> >> and get the hardware for free! Learn more. >> >> http://p.sf.net/sfu/sophos-d2d-feb >> >> _______________________________________________ >> >> Libmesh-users mailing list >> >> [email protected] >> >> https://lists.sourceforge.net/lists/listinfo/libmesh-users >> >> >> >> -- >> >> Vikram Garg >> >> Postdoctoral Associate >> >> Center for Computational Engineering >> >> Massachusetts Institute of Technology >> >> >> >> <https://lists.sourceforge.net/lists/listinfo/libmesh-users> >> >> <https://lists.sourceforge.net/lists/listinfo/libmesh-users> >> >> http://www.runforindia.org/runners/vikramg >> >> >> >> > >> >> ------------------------------------------------------------------------------ >> Free Next-Gen Firewall Hardware Offer >> Buy your Sophos next-gen firewall before the end March 2013 >> and get the hardware for free! Learn more. >> http://p.sf.net/sfu/sophos-d2d-feb >> _______________________________________________ >> Libmesh-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/libmesh-users >> > > > > -- > Vikram Garg > Postdoctoral Associate > Center for Computational Engineering > Massachusetts Institute of Technology > > http://www.runforindia.org/runners/vikramg > ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
