Thank you John for you reply and for the issue. Adriano.
2016-03-10 13:54 GMT-03:00 John Peterson <[email protected]>: > > > On Thu, Mar 10, 2016 at 9:49 AM, John Peterson <[email protected]> > wrote: > >> >> >> On Thu, Mar 10, 2016 at 9:33 AM, Adriano Côrtes <[email protected]> >> wrote: >> >>> Dear developers, >>> >>> I am trying to understand the FEMSystem framework, and the first thing I >>> did was to run the example 1, but the output I'm obtaining from the >>> default >>> run (using make and run.sh) is completely different from the one in >>> http://libmesh.github.io/examples/fem_system_ex1.html >>> >>> Bellow is my output >>> >>> >> <snip> >> >> >>> >>> >>> *I have several questions:* >>> >>> *1. Why only the timestep 0 printed the line bellow?* >>> >>> Nonlinear step: |du|/|u| = 0.99946, |du| = 194.712 >>> >>> *2. Why the number of linear iterations is so different from the libmesh >>> page and my run? Also the finite elements types? * >>> >>> Libmesh page: >>> >>> Finite Element Types="LAGRANGE", "JACOBI_20_00" "LAGRANGE", >>> "JACOBI_20_00" >>> Infinite Element Mapping="CARTESIAN" "CARTESIAN" >>> Approximation Orders="SECOND", "THIRD" "FIRST", "THIRD" >>> >>> *3. Where in Libmesh the PETSc class SNES is used? Or better asking does >>> FEMSystem communicates in the solver level with SNES, or is only in the >>> KSP >>> level?* >>> >> >> I'll let Roy comment in more detail about whether fem_system_ex1 has >> regressed, but the differences you are seeing between today's output and >> the web page documentation is likely due to the fact that my last couple of >> Doxygen updates have not also updated the examples documentation pages >> (which apparently date back to Oct 22, 2014!). I'll add an issue to help >> remind me to look at this. >> > > https://github.com/libMesh/libmesh/issues/863 > > -- > John > -- Adriano Côrtes ================================================= Post-doctoral fellow Center for Numerical Porous Media King Abdullah University of Science and Technology (KAUST) ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785111&iu=/4140 _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
