> Then I tried to run example program step-17. Everything seemed quit > well. But things changed when I invoked step-18. Step-18 gave me the > following out put: > > ========================setp-18 output============================== > Timestep 1 at time 1 > Cycle 0: > Number of active cells: 3712 (by partition: 3712) > Number of degrees of freedom: 17226 (by partition: 17226) > Assembling system... norm of rhs is 2.34224e+10 > Solver converged in 104 iterations. > Updating quadrature point data... > Cycle 1: > Number of active cells: 12812 (by partition: 12812) > Number of degrees of freedom: 51738 (by partition: 51738) > Assembling system... norm of rhs is 2.32185e+10 > Solver converged in 122 iterations. > Updating quadrature point data... > Moving mesh... > > Timestep 2 at time 2 > Assembling system...[0]PETSC ERROR: --------------------- Error > Message ------------------------------------ > [0]PETSC ERROR: Argument out of range! > [0]PETSC ERROR: Inserting a new nonzero (10379, 10377) into matrix!
This is a bug that Timo Heister fixed back in February, I believe, and that showed up with newer versions of PETSc. If you want to run step-18, you may have to download the current development sources of deal.II, as explained on the download page. Best W. ------------------------------------------------------------------------- Wolfgang Bangerth email: [email protected] www: http://www.math.tamu.edu/~bangerth/ _______________________________________________ dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
