For using the blocked matrix, do I need to add any other things? For example, "-mat_type baij" in PETSc, anything else in libMesh?
Thank you. > -----原始邮件----- > 发件人: "Roy Stogner" <royst...@ices.utexas.edu> > 发送时间: 2015年12月7日 星期一 > 收件人: li....@siat.ac.cn > 抄送: libmesh-users <libmesh-users@lists.sourceforge.net> > 主题: Re: Re: [Libmesh-users] Default ordering of multi-variables in a system? > > > > On Sun, 6 Dec 2015, li....@siat.ac.cn wrote: > > > When was this "field-within-group by field-within-group" performed? > > Since I am using libmesh-0.9.3 which was downloaded in 2013, I am > > not sure whether this new ordering has been updated. > > Looks like the new ordering first went in to 0.9.0; 0.9.3 should use > it too. > > > On the other hand, another important question to me is: > > As I have multi-variable at hand: u_x, u_y, u_z. > > I want to use a block type matrix to store these vars, such as the "baij" > > type in PETSc. But -mat_type baij does not work. > > I found something like "LIBMESH_ENABLE_BLOCKED_STORAGE". > > > > How can I use the block type matrix? > > Looks like you need --enable-blocked-storage at configure time, and > you also need to be using only a single variable group in your system: > i.e. even if u_x/u_y/u_z are all the same type, p/T/c/whatever need to > be that type too, no exceptions. > --- > Roy -- Li Luo https://sites.google.com/site/rolyliluo/ Shenzhen Institutes of Advanced Technology Address: 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen, P.R.China Tel: +86-15899753087 li....@siat.ac.cn ------------------------------------------------------------------------------ Go from Idea to Many App Stores Faster with Intel(R) XDK Give your users amazing mobile app experiences with Intel(R) XDK. Use one codebase in this all-in-one HTML5 development environment. Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs. http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140 _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
