Does anyone know which version of deal.II that this example run perfectly? Best Giang
On Wednesday, June 2, 2021 at 11:07:34 AM UTC+2 [email protected] wrote: > Hello > > I would like to report that the time dependent Navier Stokes example in > > > https://dealii.org/developer/doxygen/deal.II/code_gallery_time_dependent_navier_stokes.html > > compile but does not run correctly with deal.II 9.2.0 . The analysis can > run until step 204 and then diverge. Would it be possible changes in > preconditioner destroy the convergence? > > > ************************************************************************************************ > Time step = 201, at t = 2.010000e-01 > GMRES_ITR = 8 GMRES_RES = 4.052763e-10 > > ************************************************************************************************ > Time step = 202, at t = 2.020000e-01 > GMRES_ITR = 8 GMRES_RES = 7.194398e-10 > > ************************************************************************************************ > Time step = 203, at t = 2.030000e-01 > GMRES_ITR = 8 GMRES_RES = 1.361073e-09 > > ************************************************************************************************ > Time step = 204, at t = 2.040000e-01 > GMRES_ITR = 8 GMRES_RES = 4.896128e-09 > > ************************************************************************************************ > Time step = 205, at t = 2.050000e-01 > GMRES_ITR = 8 GMRES_RES = 3.220123e-08 > > ************************************************************************************************ > Time step = 206, at t = 2.060000e-01 > GMRES_ITR = 8 GMRES_RES = 7.647033e-07 > > ************************************************************************************************ > Time step = 207, at t = 2.070000e-01 > GMRES_ITR = 8 GMRES_RES = 3.355695e-04 > > ************************************************************************************************ > Time step = 208, at t = 2.080000e-01 > GMRES_ITR = 8 GMRES_RES = 5.007715e+01 > > ************************************************************************************************ > Time step = 209, at t = 2.090000e-01 > GMRES_ITR = 8 GMRES_RES = 1.262003e+12 > > ************************************************************************************************ > Time step = 210, at t = 2.100000e-01 > GMRES_ITR = 8 GMRES_RES = 1.279221e+33 > > Best > Giang > > -- 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/4263fa68-e89f-4748-90cf-4d84980102c6n%40googlegroups.com.
