Thanks Zach. On Thu, Aug 27, 2020, 11:50 PM Zach Etienne <[email protected]> wrote:
> Hi Bilal, > > You are under-resolving the black holes. For stability you will > need gridspacing of at least ~1/16 around each black hole (M/16, where M=1 > for this binary), and here your gridspacing is 1.25. I would suggest > starting by trying to reproduce the binary black hole gallery example: > https://einsteintoolkit.org/gallery/bbh/index.html > > and adding small adjustments until you get it working according to your > needs. > > -Zach > > * * * > Prof. Zachariah Etienne > Physics & Astronomy Dept. > West Virginia University > http://astro.phys.wvu.edu/zetienne/ > http://blackholesathome.net > <https://blackholesathome.net> > > > On Thu, Aug 27, 2020 at 2:38 PM Bilal Hameed <[email protected]> > wrote: > >> Dear Users. >> >> I am runing --parfile repos/ctthorns/CT_MultiLevel/par/twopunctures.par. >> >> ###################################### >> # Flesh parameters >> ###################################### >> >> Cactus::cctk_run_title = "Solving the Hamiltonian constraint for two >> punctures with CT_MultiLevel (multigrid setup, FMG) and with TwoPunctures" >> >> Cactus::cctk_full_warnings = yes >> Cactus::highlight_warning_messages = no >> Cactus::cctk_timer_output = "off" >> >> Cactus::terminate = "any" >> Cactus::cctk_initial_time = 0 >> Cactus::cctk_final_time = 30 >> Cactus::cctk_itlast = 200 >> >> >> >> ############################################################################################# >> ActiveThorns = "Boundary CartGrid3D CoordBase Slab SymBase" >> >> ############################################################################################# >> >> CoordBase::domainsize = "minmax" >> >> CoordBase::xmin = -40.00 >> CoordBase::ymin = -40.00 >> CoordBase::zmin = -40.00 >> CoordBase::xmax = +40.00 >> CoordBase::ymax = +40.00 >> CoordBase::zmax = +40.00 >> CoordBase::dx = 10 >> CoordBase::dy = 10 >> CoordBase::dz = 10 >> >> CoordBase::boundary_size_x_lower = 3 >> CoordBase::boundary_size_y_lower = 3 >> CoordBase::boundary_size_z_lower = 3 >> CoordBase::boundary_size_x_upper = 3 >> CoordBase::boundary_size_y_upper = 3 >> CoordBase::boundary_size_z_upper = 3 >> >> CoordBase::boundary_shiftout_x_lower = 1 >> CoordBase::boundary_shiftout_y_lower = 1 >> CoordBase::boundary_shiftout_z_lower = 1 >> CoordBase::boundary_shiftout_x_upper = 1 >> CoordBase::boundary_shiftout_y_upper = 1 >> CoordBase::boundary_shiftout_z_upper = 1 >> >> CartGrid3D::type = "coordbase" >> >> >> ################################################################################## >> ActiveThorns = "IOUtil Carpet CarpetLib CarpetInterp LoopControl >> CarpetReduce CarpetSlab" >> >> ################################################################################## >> >> Carpet::adaptive_stepsize = "no" >> >> Carpet::schedule_barriers = no >> CarpetLib::output_bboxes = no >> Carpet::init_fill_timelevels = "yes" >> >> Carpet::domain_from_coordbase = yes >> Carpet::max_refinement_levels = 5 >> >> driver::ghost_size = 3 >> Carpet::use_buffer_zones = yes >> >> Carpet::prolongation_order_space = 5 >> Carpet::prolongation_order_time = 2 >> >> Carpet::convergence_level = 0 >> >> Carpet::poison_new_timelevels = yes >> CarpetLib::poison_new_memory = yes >> >> Carpet::output_timers_every = 0 >> CarpetLib::print_timestats_every = 0 >> CarpetLib::print_memstats_every = 0 >> >> CarpetLib::max_allowed_memory_MB = 12288 >> >> ################################################################## >> ActiveThorns = "CarpetRegrid2" >> ################################################################## >> >> Carpet::grid_structure_filename = "grid_structure.asc" >> Carpet::grid_coordinates_filename = "grid_coordinates.asc" >> >> CarpetRegrid2::num_centres = 1 >> CarpetRegrid2::num_levels_1 = 4 >> CarpetRegrid2::radius_1[1] = 50 >> CarpetRegrid2::radius_1[2] = 25 >> CarpetRegrid2::radius_1[3] = 12 >> #CarpetRegrid2::radius_1[4] = 50 >> #CarpetRegrid2::radius_1[5] = 25 >> #CarpetRegrid2::radius_1[6] = 12 >> #CarpetRegrid2::radius_1[7] = 6 >> >> ################################# >> ActiveThorns = "AEILocalInterp" >> ActiveThorns = "BLAS LAPACK" >> ActiveThorns = "Fortran" >> ActiveThorns = "GenericFD" >> ActiveThorns = "HDF5" >> ActiveThorns = "InitBase" >> ActiveThorns = "LocalInterp" >> ################################# >> >> ################################# >> ActiveThorns = "MoL Time" >> ################################# >> >> MoL::ODE_Method = "RK4" >> MoL::MoL_Intermediate_Steps = 4 >> MoL::MoL_Num_Scratch_Levels = 1 >> >> Time::dtfac = 0.2 >> >> >> ################################################################################################### >> ActiveThorns = "CT_MultiLevel CT_Analytic ADMBase ML_BSSN ML_BSSN_Helper >> CoordGauge StaticConformal TmunuBase ADMCoupling ADMMacros TwoPunctures" >> >> ################################################################################################### >> >> ADMBase::metric_timelevels = 3 >> ADMBase::lapse_timelevels = 3 >> ADMBase::shift_timelevels = 3 >> >> ADMBase::metric_type = "physical" >> >> ADMBase::initial_data = "twopunctures" >> ADMBase::initial_lapse = "twopunctures-averaged" >> ADMBase::initial_shift = "zero" >> ADMBase::initial_dtlapse = "zero" >> ADMBase::initial_dtshift = "zero" >> >> ADMBase::evolution_method = "ML_BSSN" >> ADMBase::lapse_evolution_method = "ML_BSSN" >> ADMBase::shift_evolution_method = "ML_BSSN" >> ADMBase::dtlapse_evolution_method = "ML_BSSN" >> ADMBase::dtshift_evolution_method = "ML_BSSN" >> >> ADMBase::admbase_boundary_condition = "none" >> >> TwoPunctures::par_b = 1.168642873 >> TwoPunctures::par_m_plus = 0.453 >> TwoPunctures::par_m_minus = 0.453 >> TwoPunctures::par_P_plus [1] = +0.3331917498 >> TwoPunctures::par_P_minus[1] = -0.3331917498 >> >> #TwoPunctures::grid_setup_method = "evaluation" >> >> TwoPunctures::TP_epsilon = 1.0e-2 >> TwoPunctures::TP_Tiny = 1.0e-2 >> >> TwoPunctures::keep_u_around = "yes" >> >> CT_MultiLevel::cycle_type = "FMG cycle" >> CT_MultiLevel::tol = 1e-12 >> CT_MultiLevel::omega = 1 >> CT_MultiLevel::fd_order = 4 >> CT_MultiLevel::output_norms = "yes" >> CT_MultiLevel::output_walk = "yes" >> CT_MultiLevel::nrelsteps_down = 700 >> CT_MultiLevel::nrelsteps_up = 650 >> CT_MultiLevel::nrelsteps_bottom = 700 >> CT_MultiLevel::nrelsteps_top = 650 >> CT_MultiLevel::topMGlevel = 4 >> CT_MultiLevel::number_of_equations = 1 >> CT_MultiLevel::number_of_auxiliaries = 1 >> CT_MultiLevel::fill_ADM = "yes" >> CT_MultiLevel::fill_Aij = "Analytic Aij" >> CT_MultiLevel::boundary_conditions = "TwoPunctures" >> >> CT_MultiLevel::compare_to_exact = "yes" >> CT_MultiLevel::exact_solution_gfname[0] = "TwoPunctures::puncture_u" >> CT_MultiLevel::exact_offset = -1.0 >> >> CT_MultiLevel::inipsi_gfname[0] = "CT_Analytic::testinipsi" >> CT_MultiLevel::cxx_gfname[0] = "CT_Analytic::testcxx" >> CT_MultiLevel::cyy_gfname[0] = "CT_Analytic::testcyy" >> CT_MultiLevel::czz_gfname[0] = "CT_Analytic::testczz" >> CT_MultiLevel::n0[0] = -7 >> CT_MultiLevel::c0_gfname[0] = "CT_MultiLevel::ct_auxiliary[0]" >> CT_MultiLevel::a0_gfname[0] = "CT_Analytic::testa0" >> >> CT_MultiLevel::model = "Bowen-York" >> CT_Analytic::free_data = "Bowen-York" >> CT_Analytic::ampI = 1 >> CT_Analytic::ampC = 1 >> CT_Analytic::massa = 0.453 >> CT_Analytic::massb = 0.453 >> CT_Analytic::xa = 1.168642873 >> CT_Analytic::xb = -1.168642873 >> CT_Analytic::Pay = 0.3331917498 >> CT_Analytic::Pby = -0.3331917498 >> >> CT_Analytic::other_timelevels = 3 >> >> ################################# >> ActiveThorns = "CarpetIOBasic" >> ################################# >> >> IOBasic::outInfo_every = 1 >> IOBasic::outInfo_reductions = "norm2" >> IOBasic::outInfo_vars = " >> CT_MultiLevel::psi >> Carpet::physical_time_per_hour >> " >> >> ################################# >> ActiveThorns = "CarpetIOScalar" >> ################################# >> >> IO::out_dir = $parfile >> >> IOScalar::one_file_per_group = yes >> >> IOScalar::outScalar_every = 0 >> IOScalar::outScalar_vars = " >> " >> >> ################################# >> ActiveThorns = "CarpetIOASCII" >> ################################# >> >> IOASCII::one_file_per_group = yes >> >> IOASCII::output_symmetry_points = yes >> IOASCII::out3D_ghosts = yes >> >> IOASCII::out0D_criterion = "divisor" >> IOASCII::out0D_every = 0 >> IOASCII::out0D_vars = " >> " >> >> IOASCII::output_all_timelevels = "no" >> IOASCII::out1D_criterion = "divisor" >> IOASCII::out1D_every = 1 >> IOASCII::out1D_vars = " >> CT_MultiLevel::psi >> CT_MultiLevel::residual >> CT_MultiLevel::err >> ADMBase::metric >> ADMBase::curv >> ML_BSSN::ML_log_confac >> ML_BSSN::ML_ham >> TwoPunctures::puncture_u >> " >> >> IOASCII::out2D_every = 0 >> IOASCII::out2D_criterion = "divisor" >> IOASCII::out2D_vars = " >> " >> >> IOASCII::out3D_every = 0 >> IOASCII::out3D_criterion = "divisor" >> IOASCII::out3D_vars = " >> CT_MultiLevel::psi >> CT_MultiLevel::coeffs >> " >> >> ################################# >> Activethorns = "CarpetIOHDF5" >> ################################# >> >> IOHDF5::out_criterion = "divisor" >> IOHDF5::out_every = 1 >> IOHDF5::one_file_per_group = yes >> IOHDF5::compression_level = 0 >> IOHDF5::out_vars = " >> CT_MultiLevel::psi >> CT_MultiLevel::err >> CT_MultiLevel::residual >> ML_BSSN::ML_log_confac >> ML_BSSN::ML_ham >> TwoPunctures::puncture_u >> " >> >> IOHDF5::checkpoint = "no" >> >> ################################# >> ActiveThorns = "Formaline" >> ################################# >> >> ################################# >> ActiveThorns = "TimerReport" >> ################################# >> >> TimerReport::out_every = 512 >> TimerReport::out_filename = "TimerReport" >> >> *My ouput shows -nan after first itration. * >> >> 0 0.000 | 1.0013688 | 0.0000000 >> 2 0.250 | -nan | 1.128073e+03 >> 4 0.500 | -nan | 1.382569e+03 >> 6 0.750 | -nan | 1.318078e+03 >> 8 1.000 | -nan | 1.399377e+03 >> 10 1.250 | -nan | 1.336436e+03 >> 12 1.500 | -nan | 1.395822e+03 >> 14 1.750 | -nan | 1.364895e+03 >> 16 2.000 | -nan | 1.398991e+03 >> 18 2.250 | -nan | 1.359115e+03 >> 20 2.500 | -nan | 1.393235e+03 >> I set refinement levels, radius, topMG. no error found in running. >> >> Kindly, >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.einsteintoolkit.org/mailman/listinfo/users >> >
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