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
