Follow up: just tested with Sundials 3.1 and I get the same error with similar values for the norms
El lunes, 12 de julio de 2021 a las 12:18:52 UTC-4, Laura Prieto escribió: > Dear deal.ii community, > > I am testing step-77 using the latest deal.ii release with sundials on > (version 5.7.0). The example compiles and runs but not as expected, as I > get the following output: > > Mesh refinement step 0 > Target_tolerance: 0.001 > > Computing residual vector... norm=0.231202 > Computing Jacobian matrix > Factorizing Jacobian matrix > Solving linear system > Computing residual vector... norm=0.231202 > Computing residual vector... norm=0.402211 > Computing residual vector... norm=0.627191 > Computing residual vector... norm=0.857696 > Computing residual vector... norm=1.08878 > Computing residual vector... norm=1.31995 > Computing residual vector... norm=1.55112 > Computing residual vector... norm=1.78231 > Computing residual vector... norm=2.0135 > Computing residual vector... norm=2.24469 > Computing residual vector... norm=2.47588 > Computing residual vector... norm=2.70708 > > [KINSOL ERROR] KINSol > The line search algorithm was unable to find an iterate sufficiently > distinct from the current iterate. > > -------------------------------------------------------- > An error occurred in line <518> of file > </home/laura/Local/dealii/source/sundials/kinsol.cc> in function > unsigned int dealii::SUNDIALS::KINSOL<VectorType>::solve(VectorType&) > [with VectorType = dealii::Vector<double>] > The violated condition was: > status >= 0 > Additional information: > One of the SUNDIALS KINSOL internal functions returned a negative > error code: -5. Please consult SUNDIALS manual. > > I wonder if this has something to do with my Sundials version or if > anybody has a hint of what is happenning? > > Thank you in advance, > > Laura > > -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/65be05d2-bb57-443a-b658-c3ad27a4ac67n%40googlegroups.com.
