Yosef

The thorn LSUDevelopment/Refluxing contains a sample static_tov.par in three versions:

1. static_tov.par the original, vertex centered case 2. static_tov_cc.par with vertex centering 3. static_tov_cc_rf.par with vertex centering and refluxing

If you diff static_tov.par and static_tov_cc.par, you should see what changes are necessary. These are probably related to setting up the coordinates and the extent of the simulation domain, as well as choosing the interpolation orders correspondingly. Note that there are no cell-centred ENO interpolators yet, so you'll have to use linear interpolation for hydrodynamics.

-erik

On Fri, Mar 4, 2011 at 11:36 AM, Yosef Zlochower yosef@astro.rit.edu wrote:

Hi,

I would like to try using cell-centered refinement and Refluxing. I have a parfile (attached) with the grid setup for vertex-centered refinement. What parameters do I need the change to make the parfile work for cell-centered? Based on the error messages when trying cell-centered I made following changes to the parfile

CoordBase::domainsize       = "minmax" CoordBase::xmin             = -200.00 CoordBase::ymin             = -200.00 CoordBase::zmin             = 0 CoordBase::xmax             = 200 CoordBase::ymax             = 200 CoordBase::zmax             = 200 CoordBase::spacing          = "numcells" CoordBase::ncells_x         = 201 CoordBase::ncells_y         = 201 CoordBase::ncells_z         = 101 CartGrid3D::type            = "coordbase" CartGrid3D::domain          = "full" CartGrid3D::bitant_plane    = "xy" CartGrid3D::avoid_originx   = yes CartGrid3D::avoid_originy   = yes CartGrid3D::avoid_originz   = yes

CoordBase::boundary_size_x_lower        = 1 CoordBase::boundary_size_y_lower        = 1 CoordBase::boundary_size_z_lower        = 4 CoordBase::boundary_shiftout_x_lower    = 0 CoordBase::boundary_shiftout_y_lower    = 0 CoordBase::boundary_shiftout_z_lower    = 0

CoordBase::boundary_size_x_upper        = 1 CoordBase::boundary_size_y_upper        = 1 CoordBase::boundary_size_z_upper        = 1

CoordBase::boundary_staggered_x_lower = "yes" CoordBase::boundary_staggered_x_upper = "yes" CoordBase::boundary_staggered_y_lower = "yes" CoordBase::boundary_staggered_y_upper = "yes" CoordBase::boundary_staggered_z_lower = "yes" CoordBase::boundary_staggered_z_upper = "yes"

ReflectionSymmetry::reflection_x="no" ReflectionSymmetry::reflection_y="no" ReflectionSymmetry::reflection_z="yes" ReflectionSymmetry::avoid_origin_x="yes" ReflectionSymmetry::avoid_origin_y="yes" ReflectionSymmetry::avoid_origin_z="yes" ReflectionSymmetry::avoid_origin_upper_x="yes" ReflectionSymmetry::avoid_origin_upper_y="yes" ReflectionSymmetry::avoid_origin_upper_z="yes"

Carpet::refinement_centering = "cell"

but I then get the error message

(line 136 of prolongate_3d_real8_eno.F90):  -> Internal error: array origins are not integer multiples of the strides WARNING level 0 in thorn CarpetLib processor 12 host i182-302.ranger.tacc.utexas.edu

If I further change the HydroBase prolongation operator to Lagrange I get errors of the form

WARNING[L1,P2] (AEILocalInterp):   CCTK_InterpLocalUniform():        interpolation point is either outside the grid,        or inside but too close to the grid boundary!        (this may be caused by a global interpolation with         driver::ghost_size too small)        0-origin interpolation point number pt=0 of N_interp_points=81        interpolation point (x,y,z)=(6.09375e-17,0.995185,0.0980171)        grid x_min(delta_x)x_max = -200.995(1.99005)-93.5323        grid y_min(delta_y)y_max = -107.463(1.99005)7.9602        grid z_min(delta_z)z_max = -6.93069(1.9802)103.96 which is due to an analysis interpolation (an interpolation over spheres centered on the origin  in global mode)

I tried a parfile with no symmetries with similar results.

Dr. Yosef Zlochower Center for Computational Relativity and Gravitation Assistant Professor School of Mathematical Sciences Rochester Institute of Technology 85 Lomb Memorial Drive Rochester, NY 14623

Office:74-2067 Phone: +1 585-475-6103

yosef@astro.rit.edu

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#==============================================================================

ActiveThorns = "admanalysis admbase admcoupling admmacros coordgauge spacemask StaticConformal  boundary time cartgrid3d ioutil iobasic nanchecker CoordBase aeilocalinterp Slab SphericalSurface LocalReduce MoL Carpet CarpetInterp CarpetIOASCII CarpetLib CarpetReduce CarpetSlab CarpetRegrid2 AHFinderDirect CarpetIOHDF5 CarpetIOScalar InitBase SymBase LoopControl GSL ReflectionSymmetry TmunuBase HydroBase"

ActiveThorns = "TimerReport"

TimerReport::out_every    = 512 TimerReport::out_filename = "TimerReport" TimerReport::n_top_timers = 20 TimerReport::output_all_timers = yes Carpet::output_timers_every = 512 CarpetLib::print_memstats_every     = 1024

#------------------------------------------------------------------------------

# Run parameters #------------------------------------------------------------------------------

# Grid

mol::ode_method                        = "RK4" mol::mol_intermediate_steps            = 4 mol::mol_num_scratch_levels            = 1 #mol::initial_data_is_crap = true

CoordBase::domainsize       = "minmax" CoordBase::xmin             = -200.001 CoordBase::ymin             = -200.001 CoordBase::zmin             = 0 CoordBase::xmax             = 200 CoordBase::ymax             = 200 CoordBase::zmax             = 200 CoordBase::spacing          = "numcells" CoordBase::ncells_x         = 200 CoordBase::ncells_y         = 200 CoordBase::ncells_z         = 100 CartGrid3D::type            = "coordbase" CartGrid3D::domain          = "full" CartGrid3D::bitant_plane    = "xy" CartGrid3D::avoid_originx   = no CartGrid3D::avoid_originy   = no CartGrid3D::avoid_originz   = no

CoordBase::boundary_size_x_lower        = 1 CoordBase::boundary_size_y_lower        = 1 CoordBase::boundary_size_z_lower        = 4 CoordBase::boundary_shiftout_x_lower    = 0 CoordBase::boundary_shiftout_y_lower    = 0 CoordBase::boundary_shiftout_z_lower    = 1

CoordBase::boundary_size_x_upper        = 1 CoordBase::boundary_size_y_upper        = 1 CoordBase::boundary_size_z_upper        = 1

ReflectionSymmetry::reflection_x="no" ReflectionSymmetry::reflection_y="no" ReflectionSymmetry::reflection_z="yes" ReflectionSymmetry::avoid_origin_x="no" ReflectionSymmetry::avoid_origin_y="no" ReflectionSymmetry::avoid_origin_z="no" ReflectionSymmetry::avoid_origin_upper_x="no" ReflectionSymmetry::avoid_origin_upper_y="no" ReflectionSymmetry::avoid_origin_upper_z="no"

driver::ghost_size                        = 4

#---------------------------------------------------------------------------

cactus::cctk_itlast                     = 12800000

time::dtfac                        = .1 Carpet::domain_from_coordbase       = yes Carpet::prolongation_order_space   = 5 Carpet::prolongation_order_time    = 2 Carpet::max_refinement_levels      = 8 Carpet::use_buffer_zones = yes Carpet::num_integrator_substeps = 1 Carpet::additional_buffer_zones = 2 Carpet::verbose           = no Carpet::schedule_barriers = no Carpet::veryverbose       = no

CarpetLib::output_bboxes  = no CarpetLib::check_bboxes              = no CarpetLib::interleave_communications = yes CarpetLib::combine_sends             = yes

Carpet::time_refinement_factors = "[1,1,1,2,4,8,16,32,64,128,256]" Carpet::init_3_timelevels = "no" Carpet::init_each_timelevel = "no" Carpet::init_fill_timelevels = "yes" Carpet::enable_all_storage     = no Carpet::regrid_during_recovery = no

CarpetRegrid2::regrid_every = 32 CarpetRegrid2::snap_to_coarse="yes"

CarpetRegrid2::num_centres = 1

CarpetRegrid2::num_levels_1 = 7 CarpetRegrid2::position_x_1 = 0 CarpetRegrid2::position_y_1 = 0 CarpetRegrid2::position_z_1 = 0 CarpetRegrid2::radius_1[ 1] = 90 CarpetRegrid2::radius_1[ 2] = 45 CarpetRegrid2::radius_1[ 3] = 20 CarpetRegrid2::radius_1[ 4] = 8 CarpetRegrid2::radius_1[ 5] = 4 CarpetRegrid2::radius_1[ 6] = 2

# MODEL initbase::initial_data_setup_method = init_some_levels

ActiveThorns = "IDAnalyticBH"

ADMBase::initial_data="schwarzschild" ADMBase::initial_lapse="psi4_psi2" ADMBase::initial_shift="zero" IDAnalyticBH::mass = 1. IDAnalyticBH::a_Kerr = 0.

admbase::metric_type                    = "Physical"

#--- numerics

#------------------------------------------------------------------------------ # Matter: #------------------------------------------------------------------------------

ActiveThorns = "Grhydro EOS_Omni Constants" #ActiveThorns = "Refluxing"

grhydro::riemann_solver            = "Marquina" grhydro::grhydro_eos_type           = "general" grhydro::grhydro_eos_table="Ideal_Fluid" grhydro::recon_method              = "ppm" grhydro::grhydro_stencil            = 3 grhydro::bound                     = "flat" HydroBase::Prolongation_Type = "WENO" Grhydro::initial_Gamma=1.66666666666666 Grhydro::rho_abs_min=1.0e-13 Grhydro::initial_rho_abs_min=1.0e-13 Grhydro::grhydro_atmo_tolerance=0.0001 eos_omni::poly_gamma                    = 1.66666666666666 eos_omni::poly_gamma_ini                = 1.66666666666666 eos_omni::poly_k                        = 0.01 EOS_Omni::gl_gamma = 1.66666666666666 EOS_Omni::gl_k = 0.01

grhydro::Grhydro_MaxNumSandRVars    = 16

TmunuBase::stress_energy_storage = "yes" TmunuBase::stress_energy_at_RHS = "yes" TmunuBase::timelevels = 1 TmunuBase::prolongation_type = "none"

HydroBase::timelevels = 3 HydroBase::evolution_method = "grhydro"

SpaceMask::use_mask = "yes"

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