Hi Rajat, On Tuesday, July 12, 2016 at 8:37:11 AM UTC+2, RAJAT ARORA wrote: > > Hello Jean, > > Thanks for the reply. > I understand your concern for the lack of proper information but this is > all I have. > > The error occurs after around 900 iterations of solving 5 coupled > equations so it is almost impossible to create a minimal working example as > a demo... :) >
Try using other direct solvers, say superlu-dist in PETSc or iterative solvers. > > I will try installing all the libraries again. (Petsc, P4est, Deal.ii) > > Can you help me with installing Petsc instead ? > You can try building deal.II using tools like: Spack https://github.com/dealii/dealii/wiki/deal.II-in-Spack Candi https://github.com/dealii/candi > Of the 2 below mentioned commands, which one should be used to install > Petsc ? > > *Command 1:* > *./configure --with-x=0 --download-hypre=1 --with-cc=gcc --with-cxx=g++ > --with-fc=gfortran --download-mpich --download-scalapack > --download-parmetis --download-metis --download-mumps* > see https://groups.google.com/d/msg/dealii/JxUOyd_4eFM/I48H2eDHBwAJ for why '--download-mpich` is a bad idea in general. Not necessarily this is the cause of your problems here. Regards, Denis. > > *Command 2:* > *./config/configure.py --with-shared=1 --with-x=0 --with-mpi=1 > --download-hypre=1 --with-cc=gcc --with-cxx=g++ --download-f2cblaslapack > --download-mpich --download-scalapack --download-mumps --download-parmetis > --download-metis* > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
