Ling - come talk to David and or John about it if it's still not clear. Derek
On Tue, Apr 23, 2013 at 9:29 AM, Kirk, Benjamin (JSC-EG311) < [email protected]> wrote: > And by that I mean you get a mass matrix on the left hand side and the > pressure gradient only shows up inside the source term, where it is > integrated inside he element and is well posed. > > -Ben > > > On Apr 23, 2013, at 8:26 AM, "Kirk, Benjamin (JSC-EG311)" < > [email protected]> wrote: > > > Are you using a finite element method? If so, you wind up weighting this > term under an integral and everything works out. > > > > -Ben > > > > > > On Apr 22, 2013, at 7:42 PM, "Zhang" <[email protected]> wrote: > > > >> > >> > >> > >> Dear all, > >> > >> As a beginner of libMesh, I am using it to build an incompressible N-S > solver with projection method. > >> > >> When I am trying to calculate as follows, > >> > >> u^{n+1}=u^{n}-dt*grad(p), > >> > >> > >> I wonder how to project the pressure gradient grad(p) in Q1 space into > the velocity u 's space Q2. Is there > >> any built-in function for such a task? > >> > >> > >> > >> Thanks > >> > >> Zhenyu Zhang > >> > >> > >> > >> > >> > >> > >> > ------------------------------------------------------------------------------ > >> Precog is a next-generation analytics platform capable of advanced > >> analytics on semi-structured data. The platform includes APIs for > building > >> apps and a phenomenal toolset for data science. Developers can use > >> our toolset for easy data analysis & visualization. Get a free account! > >> http://www2.precog.com/precogplatform/slashdotnewsletter > >> _______________________________________________ > >> Libmesh-users mailing list > >> [email protected] > >> https://lists.sourceforge.net/lists/listinfo/libmesh-users > > > > > ------------------------------------------------------------------------------ > > Try New Relic Now & We'll Send You this Cool Shirt > > New Relic is the only SaaS-based application performance monitoring > service > > that delivers powerful full stack analytics. Optimize and monitor your > > browser, app, & servers with just a few lines of code. Try New Relic > > and get this awesome Nerd Life shirt! > http://p.sf.net/sfu/newrelic_d2d_apr > > _______________________________________________ > > Libmesh-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/libmesh-users > > > ------------------------------------------------------------------------------ > Try New Relic Now & We'll Send You this Cool Shirt > New Relic is the only SaaS-based application performance monitoring service > that delivers powerful full stack analytics. Optimize and monitor your > browser, app, & servers with just a few lines of code. Try New Relic > and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_apr > _______________________________________________ > Libmesh-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/libmesh-users > ------------------------------------------------------------------------------ Try New Relic Now & We'll Send You this Cool Shirt New Relic is the only SaaS-based application performance monitoring service that delivers powerful full stack analytics. Optimize and monitor your browser, app, & servers with just a few lines of code. Try New Relic and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_apr _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
