Thank you, David. I will try. Xujun
On Tue, Apr 28, 2015 at 5:21 PM, David Knezevic <[email protected]> wrote: > On Tue, Apr 28, 2015 at 6:09 PM, Xujun Zhao <[email protected]> wrote: > >> Hi folks, >> >> In my problem, I would like to assemble my global matrix and rhs vector >> separately, because at each time step, my global matrix doesn't change. >> What I need to do is to simply update my rhs vector and resolve it with my >> solver. Is there a way to do this in libMesh? I noticed when we >> attach_assemble_function, both the matrix and rhs vector are >> reconstructed. >> > > > Have a look at System::assemble_before_solve. If you set that to false > then you can call your own assembly functions whenever you like, and the > assembly function won't automatically get called when you call solve. This > way you could implement an assembly function that has bool arguments > assemble_matrix and assemble_rhs and call this whenever you need to with > the bools set appropriately. > > David > > > ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
