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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi, Shri, I was able to run the ex9bus.c code successfully with ‘mpirun –n 1 ex9bus’, but failed with ‘mpirun –n 2 ex9bus’ with the following message:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: --------------------- Error Message ------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: No support for this operation for this object type!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: Only for sequential runs!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: ------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: Petsc Development HG revision: fab2442df69c95ef24bf6631a38c7dc028d7ee34 HG Date: Tue Feb 19 16:16:15 2013 -0600<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: See docs/changes/index.html for recent updates.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: See docs/index.html for manual pages.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: ------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: ex9bus on a arch-linux2-c-debug named olympus.local by d3m956 Wed Feb 20 11:36:02 2013<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: Libraries linked from /pic/projects/ds/petsc-dev/arch-linux2-c-debug/lib<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: Configure run at Wed Feb 20 11:01:15 2013<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: Configure options<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: ------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[0]PETSC ERROR: main() line 807 in src/ts/examples/tutorials/power_grid/stability_9busex9bus.c<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Does that mean the parallelized version of DAE solver in PETSc is not available yet? Or I missed some PETSc options to enable the function? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Another question is I also found two other examples in previous installed non-dev PETSc version:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>petsc-3.3-p6/src/ts/examples/tutorials/ex8.c and ex19.c. I felt that they are somewhat similar to my problem. Do you think those two are useful examples to me as well? However, it seems like they are uniprocessor examples only too. Please correct me if I understand it wrong.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Shuangshuang<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> petsc-users-bounces@mcs.anl.gov [mailto:petsc-users-bounces@mcs.anl.gov] <b>On Behalf Of </b>Shri<br><b>Sent:</b> Wednesday, February 20, 2013 10:49 AM<br><b>To:</b> PETSc users list<br><b>Subject:</b> Re: [petsc-users] PETSc DAE solver<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="http://www.mcs.anl.gov/petsc/developers/index.html">http://www.mcsanl.gov/petsc/developers/index.html</a><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Feb 20, 2013, at 12:39 PM, Jin, Shuangshuang wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Shri, thank you! That’s very helpful information. I’m going to obtain the development version of PETSc now.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Shuangshuang</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-width:initial;border-color:initial'><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="mailto:petsc-users-bounces@mcs.anl.gov">petsc-users-bounces@mcs.anl.gov</a> [<a href="mailto:petsc-users-bounces@mcs.anl.gov">mailto:petsc-users-bounces@mcs.anl.gov</a>]<span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Shri<br><b>Sent:</b><span class=apple-converted-space> </span>Wednesday, February 20, 2013 10:34 AM<br><b>To:</b><span class=apple-converted-space> </span>PETSc users list<br><b>Subject:</b><span class=apple-converted-space> </span>Re: [petsc-users] PETSc DAE solver</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Jin,<o:p></o:p></p></div><div><div><p class=MsoNormal> If you are working on integrating power grid DAE equations then you should use petsc-dev instead as we've added an example for it. petsc-dev/src/ts/examples/tutorials/power_grid/stabiltiy_9bus/ex9bus.c. There are other examples in the power_grid directory.<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>Shri<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><div><p class=MsoNormal>On Feb 20, 2013, at 12:19 PM, Jin, Shuangshuang wrote:<o:p></o:p></p></div></div><div><p class=MsoNormal><br><br><br><o:p></o:p></p></div><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Hi, I’m trying to use PETSc to solve a set of first-order differential and algebraic equations such as:</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>x' = f(x,y) </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>0 = g(x,y)</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>The resources I can find online so far are</span><o:p></o:p></p></div></div><ol style='margin-top:0in' start=1 type=1><li class=MsoNormal style='mso-list:l0 level1 lfo2'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>PETSc Manual: Chapter 6 TS: Scalable ODE and DAE Solvers</span><o:p></o:p></li><li class=MsoNormal style='mso-list:l0 level1 lfo2'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>petsc-3.3-p6/src/ts/examples/tutorials</span><o:p></o:p></li></ol><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>which still seems vague to me at this moment.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Can anyone tell me if there’s any more specific references I can refer to as a starting point to tackle this problem?</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Thanks,</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Shuangshuang</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt'> </span><o:p></o:p></p></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>