Thank you very much!
The “rb_con.load_rb_solution()” is the answer I want. I have not seen RB examples because I mistakenly thought that there was only content with exodus extension in examples. So I have only looked at LibMesh documentation and have searched a “solution” keyword. Thanks again for your kind answers to minor questions. Regards, SKang From: David Knezevic <david.kneze...@akselos.com> Sent: Tuesday, July 10, 2018 9:52 AM To: 강신성 <ss.k...@pusan.ac.kr> Cc: libmesh-users <libmesh-users@lists.sourceforge.net> Subject: Re: [Libmesh-users] [RB] Print solution vector as ".txt" On Mon, Jul 9, 2018 at 8:43 PM, <ss.k...@pusan.ac.kr <mailto:ss.k...@pusan.ac.kr> > wrote: Thank you for your reply, David I think my question was unclear. My final goal is the same as the question. However, before I print solutions using “cout” or “I/O,” I do not know which variable the solution vector is stored in. In other words, which variable can I use to load solutions of a PDE in RB codes? I also want to know which variable stores nodes that match the above solutions. I look forward your reply. I'm not sure I understand what you're asking, but in general I'd suggest you review the reduced_basis examples carefully since that should cover what you're asking about. For example, see the "online stage" of reduced_basis_ex1, where we do "rb_con.load_rb_solution()". This loads the RB solution into the "solution" vector of the RBConstruction object. Best, David From: David Knezevic <david.kneze...@akselos.com <mailto:david.kneze...@akselos.com> > Sent: Monday, July 9, 2018 9:12 PM To: 강신성 <ss.k...@pusan.ac.kr <mailto:ss.k...@pusan.ac.kr> > Cc: libmesh-users <libmesh-users@lists.sourceforge.net <mailto:libmesh-users@lists.sourceforge.net> > Subject: Re: [Libmesh-users] [RB] Print solution vector as ".txt" On Sun, Jul 8, 2018 at 10:53 PM, <ss.k...@pusan.ac.kr <mailto:ss.k...@pusan.ac.kr> > wrote: Hello, all. To find the maximum solution value, I try to print a solution vector, e.g., displacement vector in linear elasticity, as text extension. However, I was able to find only the solution with the exodus extension. This exodus extension is useful to visualize with a program like "ParaView," but it is complicated to compare results directly. So I want to print solution with ".txt" as follows: (node) (solution) 1 0.1122 2 0.5454 . 3224 0.5722 If there are multiple solutions such as 2D elasticity (displacements for x and y directions), I want to print a text file as (node) (x) (y) 1 0.1122 0.5556 2 0.5454 0.5878 . 3224 0.5722 0.4125 Could you please tell me some ways or ideas? If it is impossible, I want to print the maximum solution value in "Terminal" using "std::cout << . << std::endl" at least. I always thank you for your help. I gather you're asking how to write to a .txt file? That is a C++ question, not specifically related to libMesh. I suggest you look on the web for a tutorial for I/O, e.g. http://www.cplusplus.com/doc/tutorial/files/ Best, David ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
