Class Radiation

class Radiation

Public Types

enum Solver_Type

Values:

enumerator InvalidSolver

enumerator SingleGroupSolver

enumerator SGFLDSolver

enumerator MGFLDSolver

Public Functions

Radiation(amrex::Amr *Parent, class Castro *castro, int restart = 0)

Parameters:

• Parent –

• castro –

• restart –

void regrid(int level, const amrex::BoxArray &grids, const amrex::DistributionMapping &dmap)

Parameters:

• level –

• grids –

• dmap –

void close(int level)

Parameters:

level –

void restart(int level, const amrex::BoxArray &grids, const amrex::DistributionMapping &dmap, const std::string &dir, std::istream &is)

Parameters:

• level –

• grids –

• dmap –

• dir –

• is –

void checkPoint(int level, const std::string &dir, std::ostream &os, amrex::VisMF::How how)

Parameters:

• level –

• dir –

• os –

• how –

void set_current_group(int igroup)

access to group information

Parameters:

igroup –

inline amrex::Real group_center(int i)

Parameters:

i –

inline amrex::Real group_weight(int i)

Parameters:

i –

inline amrex::Real deltaEnergyRatMax(int lev)

diagnostics for adjusting timestep

Parameters:

lev –

inline amrex::Real deltaTRatMax(int lev)

Parameters:

lev –

inline nodiscard amrex::Real deltaEnergyTol () const

inline nodiscard amrex::Real deltaTTol () const

inline amrex::FluxRegister *consRegister(int level)

access to conservation flux register for energy diagnostics

Parameters:

level –

void post_init(int level)

Parameters:

level –

void pre_timestep(int level)

Parameters:

level –

void init_flux(int level, int ncycle)

Parameters:

• level –

• ncycle –

void deferred_sync_setup(int level)

Parameters:

level –

void deferred_sync(int level, amrex::MultiFab &rhs, int indx)

Parameters:

• level –

• rhs –

• indx –

void single_group_update(int level, int iteration, int ncycle)

Parameters:

• level –

• iteration –

• ncycle –

void MGFLD_implicit_update(int level, int iteration, int ncycle)

Parameters:

• level –

• iteration –

• ncycle –

void write_groups(ostream &os)

Parameters:

os –

void reflux(int level)

Parameters:

level –

void compute_limiter(int level, const amrex::BoxArray &grids, const amrex::MultiFab &Sborder, const amrex::MultiFab &Erborder, amrex::MultiFab &lamborder)

Parameters:

• level –

• grids –

• &Sborder –

• &Erborder –

• &lamborder –

void estimate_gamrPr(const amrex::FArrayBox &state, const amrex::FArrayBox &Er, amrex::FArrayBox &gPr, const amrex::Real *dx, const amrex::Box &box)

Parameters:

• state –

• Er –

• gPr –

• dx –

• box –

void EstTimeStep(amrex::Real &estdt, int level)

Parameters:

• estdt –

• level –

void filter_prim(int level, amrex::MultiFab &State)

Parameters:

• level –

• State –

void compute_exchange(amrex::MultiFab &exch, amrex::MultiFab &Er, amrex::MultiFab &fkp, int igroup = -1)

Parameters:

• exch –

• Er –

• fkp –

• igroup –

void compute_eta(amrex::MultiFab &eta, amrex::MultiFab &etainv, amrex::MultiFab &state, amrex::MultiFab &temp, amrex::MultiFab &fkp, amrex::MultiFab &Er, amrex::Real delta_t, amrex::Real c, amrex::Real underrel, int lag_planck, int igroup = 0)

Parameters:

• eta –

• etainv –

• state –

• temp –

• fkp –

• Er –

• delta_t –

• c –

• underrel –

• lag_planck –

• igroup –

void internal_energy_update(amrex::Real &relative, amrex::Real &absolute, amrex::MultiFab &frhoes, amrex::MultiFab &frhoem, amrex::MultiFab &eta, amrex::MultiFab &etainv, amrex::MultiFab &dflux_old, amrex::MultiFab &dflux_new, amrex::MultiFab &exchange, amrex::Real delta_t)

Parameters:

• relative –

• absolute –

• frhoes –

• frhoem –

• eta –

• etainv –

• dflux_old –

• dflux_new –

• exchange –

• delta_t –

void internal_energy_update(amrex::Real &relative, amrex::Real &absolute, amrex::MultiFab &frhoes, amrex::MultiFab &frhoem, amrex::MultiFab &eta, amrex::MultiFab &etainv, amrex::MultiFab &dflux_old, amrex::MultiFab &dflux_new, amrex::MultiFab &exchange, amrex::MultiFab &Dterm, amrex::Real delta_t)

Parameters:

• relative –

• absolute –

• frhoes –

• frhoem –

• eta –

• etainv –

• dflux_old –

• dflux_new –

• exchange –

• Dterm –

• delta_t –

void nonconservative_energy_update(amrex::Real &relative, amrex::Real &absolute, amrex::MultiFab &frhoes, amrex::MultiFab &frhoem, amrex::MultiFab &eta, amrex::MultiFab &etainv, amrex::MultiFab &Er_new, amrex::MultiFab &dflux_old, amrex::MultiFab &dflux_new, amrex::MultiFab &temp, amrex::MultiFab &fkp, amrex::MultiFab &state, amrex::Real delta_t)

Parameters:

• relative –

• absolute –

• frhoes –

• frhoem –

• eta –

• etainv –

• Er_new –

• dflux_old –

• dflux_new –

• temp –

• fkp –

• state –

• delta_t –

void state_update(amrex::MultiFab &state, amrex::MultiFab &frhoes)

Parameters:

• state –

• frhoes –

void getBndryData(RadBndry &bd, amrex::MultiFab &Er, amrex::Real time, int level)

Parameters:

• bd –

• Er –

• time –

• level –

void getBndryDataMG(MGRadBndry &mgbd, amrex::MultiFab &Er, amrex::Real time, int level)

multigroup version

Parameters:

• mgbd –

• Er –

• time –

• level –

void getBndryDataMG_ga(MGRadBndry &mgbd, amrex::MultiFab &Er, int level)

Parameters:

• mgbd –

• Er –

• level –

void filBndry(amrex::BndryRegister &bdry, int level, amrex::Real time)

Parameters:

• bdry –

• level –

• time –

void scaledGradient(int level, amrex::Array<amrex::MultiFab, AMREX_SPACEDIM> &R, amrex::MultiFab &kappa_r, int kcomp, amrex::MultiFab &Er, int igroup, int nGrow_Er = 0, int Rcomp = 0)

Computes the scaled gradient for use in flux limiters & Eddington factors

Parameters:

• level –

• amrex::Array<amrex::MultiFab –

• R –

• kappa_r –

• kcomp –

• Er –

• igroup –

• nGrow_Er –

• Rcomp –

void fluxLimiter(int level, amrex::Array<amrex::MultiFab, AMREX_SPACEDIM> &lambda, int lamcomp = 0)

On input, lambda should contain scaled gradient. On output this will be overwritten with the flux limiter.

Parameters:

• level –

• amrex::Array<amrex::MultiFab –

• lambda –

• lamcomp –

void get_c_v(amrex::FArrayBox &c_v, amrex::FArrayBox &temp, amrex::FArrayBox &state, const amrex::Box &reg)

Fab versions of conversion functions.

Parameters:

• c_v –

• temp –

• state –

• reg –

void get_frhoe(amrex::MultiFab &frhoe, amrex::MultiFab &state)

MultiFab versions of conversion functions call Fab versions for eos data

Parameters:

• frhoe –

• state –

void get_planck_and_temp(amrex::MultiFab &fkp, amrex::MultiFab &temp, amrex::MultiFab &state, int igroup = 0, amrex::Real delta_t = 0.0)

Planck mean is only needed in the grid interiors, but must be computed separately for each fluid (fkp.nVar() == N fluids). temp contains frhoe on input

Parameters:

• fkp –

• temp –

• state –

• igroup –

• delta_t –

void get_rosseland(amrex::MultiFab &kappa_r, amrex::AmrLevel *hclaw, int igroup = 0)

Rosseland mean is needed on an extended region (nGrow == 1). Fills patches with state information on extended region

Parameters:

• kappa_r –

• hclaw –

• igroup –

void update_rosseland_from_temp(amrex::MultiFab &kappa_r, amrex::MultiFab &temp, amrex::MultiFab &state, const amrex::Geometry &geom, int igroup = 0)

For the interior opacities, temperature is assumed to be known (input)

Updates Rosseland mean in interior of level, leaves ghost values at physical or coarse-fine interfaces untouched

Parameters:

• kappa_r –

• temp –

• state –

• geom –

• igroup –

void get_rosseland_v_dcf(amrex::MultiFab &kappa_r, amrex::MultiFab &v, amrex::MultiFab &dcf, amrex::Real delta_t, amrex::Real c, amrex::AmrLevel *hclaw, int igroup = 0)

RadHydro

Parameters:

• kappa_r –

• v –

• dcf –

• delta_t –

• c –

• hclaw –

• igroup –

void get_groups(int verbose)

multigroup methods

Parameters:

verbose –

void extrapolateBorders(amrex::MultiFab &f, int indx)

Parameters:

• f –

• indx –

void SGFLD_compute_rosseland(amrex::MultiFab &kappa_r, const amrex::MultiFab &state)

Parameters:

• kappa_r –

• state –

void SGFLD_compute_rosseland(amrex::FArrayBox &kappa_r, const amrex::FArrayBox &state)

Parameters:

• kappa_r –

• state –

void update_dcf(amrex::MultiFab &dcf, amrex::MultiFab &etainv, amrex::MultiFab &kp, amrex::MultiFab &kr, const amrex::Geometry &geom)

Parameters:

• dcf –

• etainv –

• kp –

• kr –

• geom –

void check_convergence_er(amrex::Real &relative_in, amrex::Real &absolute_in, amrex::Real &error_er, const amrex::MultiFab &Er_new, const amrex::MultiFab &Er_pi, const amrex::MultiFab &kappa_p, const amrex::MultiFab &etaTz, const amrex::MultiFab &temp_new, amrex::Real delta_t)

</ Shestakov-Bolstad>

Parameters:

• relative_in –

• absolute_in –

• error_er –

• Er_new –

• Er_pi –

• kappa_p –

• etaTz –

• temp_new –

• delta_t –

void check_convergence_matt(const amrex::MultiFab &rhoe_new, const amrex::MultiFab &rhoe_star, const amrex::MultiFab &rhoe_step, const amrex::MultiFab &Er_new, const amrex::MultiFab &temp_new, const amrex::MultiFab &temp_star, const amrex::MultiFab &rho, const amrex::MultiFab &kappa_p, const amrex::MultiFab &jg, const amrex::MultiFab &dedT, amrex::Real &rel_rhoe, amrex::Real &abs_rhoe, amrex::Real &rel_FT, amrex::Real &abs_FT, amrex::Real &rel_T, amrex::Real &abs_T, amrex::Real delta_t)

Parameters:

• rhoe_new –

• rhoe_star –

• rhoe_step –

• Er_new –

• temp_new –

• temp_star –

• rho –

• kappa_p –

• jg –

• dedT –

• rel_rhoe –

• abs_rhoe –

• rel_FT –

• abs_FT –

• rel_T –

• abs_T –

• delta_t –

void compute_coupling(amrex::MultiFab &coupT, const amrex::MultiFab &kappa_p, const amrex::MultiFab &Er_pi, const amrex::MultiFab &jg)

Parameters:

• coupT –

• kappa_p –

• Er_pi –

• jg –

void compute_etat(amrex::MultiFab &etaT, amrex::MultiFab &etaTz, amrex::MultiFab &eta1, amrex::MultiFab &djdT, const amrex::MultiFab &dkdT, const amrex::MultiFab &dedT, const amrex::MultiFab &Er_star, const amrex::MultiFab &rho, amrex::Real delta_t, amrex::Real ptc_tau)

Parameters:

• etaT –

• etaTz –

• eta1 –

• djdT –

• dkdT –

• dedT –

• Er_star –

• rho –

• delta_t –

• ptc_tau –

void eos_opacity_emissivity(const amrex::MultiFab &S_new, const amrex::MultiFab &temp_new, const amrex::MultiFab &temp_star, amrex::MultiFab &kappa_p, amrex::MultiFab &kappa_r, amrex::MultiFab &jg, amrex::MultiFab &djdT, amrex::MultiFab &dkdT, amrex::MultiFab &dedT, int level, int it, int ngrow)

Parameters:

• S_new –

• temp_new –

• temp_star –

• kappa_p –

• kappa_r –

• jg –

• djdT –

• dkdT –

• dedT –

• level –

• it –

• ngrow –

void gray_accel(amrex::MultiFab &Er_new, amrex::MultiFab &Er_pi, amrex::MultiFab &kappa_p, amrex::MultiFab &kappa_r, amrex::MultiFab &etaT, amrex::MultiFab &eta1, amrex::MultiFab &mugT, amrex::Array<amrex::MultiFab, AMREX_SPACEDIM> &lambda, RadSolve *solver, MGRadBndry &mgbd, const amrex::BoxArray &grids, int level, amrex::Real time, amrex::Real delta_t, amrex::Real ptc_tau)

Parameters:

• Er_new –

• Er_pi –

• kappa_p –

• kappa_r –

• etaT –

• eta1 –

• mugT –

• lambda –

• solver –

• mgbd –

• grids –

• level –

• time –

• delta_t –

• ptc_tau –

void local_accel(amrex::MultiFab &Er_new, const amrex::MultiFab &Er_pi, const amrex::MultiFab &kappa_p, const amrex::MultiFab &etaT, const amrex::MultiFab &mugT, amrex::Real delta_t, amrex::Real ptc_tau)

Parameters:

• Er_new –

• Er_pi –

• kappa_p –

• etaT –

• mugT –

• delta_t –

• ptc_tau –

void state_energy_update(amrex::MultiFab &state, const amrex::MultiFab &rhoe, const amrex::MultiFab &temp, const amrex::BoxArray &grids, amrex::Real &derat, amrex::Real &dT, int level)

Parameters:

• state –

• rhoe –

• temp –

• grids –

• derat –

• dT –

• level –

void update_matter(amrex::MultiFab &rhoe_new, amrex::MultiFab &temp_new, const amrex::MultiFab &Er_new, const amrex::MultiFab &Er_pi, const amrex::MultiFab &rhoe_star, const amrex::MultiFab &rhoe_step, const amrex::MultiFab &etaT, const amrex::MultiFab &etaTz, const amrex::MultiFab &eta1, const amrex::MultiFab &coupT, const amrex::MultiFab &kappa_p, const amrex::MultiFab &jg, const amrex::MultiFab &mugT, const amrex::MultiFab &S_new, int level, amrex::Real delta_t, amrex::Real ptc_tau, int it, bool conservative_update)

Parameters:

• rhoe_new –

• temp_new –

• Er_new –

• Er_pi –

• rhoe_star –

• rhoe_step –

• etaT –

• etaTz –

• eta1 –

• coupT –

• kappa_p –

• jg –

• mugT –

• S_new –

• level –

• delta_t –

• ptc_tau –

• it –

• conservative_update –

void bisect_matter(amrex::MultiFab &rhoe_new, amrex::MultiFab &temp_new, const amrex::MultiFab &rhoe_star, const amrex::MultiFab &temp_star, const amrex::MultiFab &S_new, const amrex::BoxArray &grids, int level)

Parameters:

• rhoe_new –

• temp_new –

• rhoe_star –

• temp_star –

• S_new –

• grids –

• level –

void MGFLD_compute_rosseland(amrex::MultiFab &kappa_r, const amrex::MultiFab &state)

for the hyperbolic solver

Parameters:

• kappa_r –

• state –

void MGFLD_compute_rosseland(amrex::FArrayBox &kappa_r, const amrex::FArrayBox &state)

Parameters:

• kappa_r –

• state –

void MGFLD_compute_scattering(amrex::FArrayBox &kappa_s, const amrex::FArrayBox &state)

Parameters:

• kappa_s –

• state –

void rhstoEr(amrex::MultiFab &rhs, amrex::Real dt, int level)

Parameters:

• rhs –

• dt –

• level –

void save_lambda_in_plotvar(int level, const amrex::Array<amrex::MultiFab, AMREX_SPACEDIM> &lambda)

</ MGFLD>

Parameters:

• level –

• amrex::Array<amrex::MultiFab –

• lambda –

void save_lab_Er_in_plotvar(int level, const amrex::MultiFab &Snew, const amrex::MultiFab &Ecom, const amrex::MultiFab &F, int iflx)

Parameters:

• level –

• Snew –

• Ecom –

• F –

• iflx –

void save_flux_in_plotvar(int level, const amrex::MultiFab &Snew, const amrex::Array<amrex::MultiFab, AMREX_SPACEDIM> &lambda, const amrex::MultiFab &Er, const amrex::MultiFab &F, int iflx, const amrex::Real lab_factor = 1.0)

Parameters:

• level –

• Snew –

• amrex::Array<amrex::MultiFab –

• lambda –

• Er –

• F –

• iflx –

• lab_factor –

void save_com_flux_in_plotvar(int level, const amrex::MultiFab &Snew, const amrex::Array<amrex::MultiFab, AMREX_SPACEDIM> &lambda, const amrex::MultiFab &Er, const amrex::MultiFab &F, int iflx)

Parameters:

• level –

• Snew –

• amrex::Array<amrex::MultiFab –

• lambda –

• Er –

• F –

• iflx –

Public Members

int verbose

int maxiter

iteration limit for implicit update loop

int miniter

int convergence_check_type

0 (default): both 2 and 3, 1: rhoe, 2: residue of Eq. rhoe, 3: T

amrex::Real relInTol

amrex::Real absInTol

tolerance for inner iteration of J equation

int maxInIter

iteration limit for inner iteration of J equation

int minInIter

int skipAccelAllowed

Skip acceleration if it doesn’t help.

int matter_update_type

0: conservative 1: non-conservative 2: C and NC interwoven The last outer iteration is always conservative.

int n_bisect

Bisection after n_bisect iterations.

amrex::Real dedT_fac

Make dedT larger for safety in Newton iteration.

int inner_convergence_check

amrex::Real delta_e_rat_dt_tol

energy change tolerance for adjusting timestep

amrex::Real delta_T_rat_dt_tol

T change tolerance for adjusting timestep.

int update_planck

after this number of iterations, lag planck

int update_rosseland

after this number of iterations, lag rosseland

int update_opacity

int update_limiter

after this number of iterations, lag limiter

int inner_update_limiter

This is for MGFLD solver. Stop updating limiter after ? inner iterations 0 means lagging by one outer iteration

amrex::Real dT

temperature step for derivative estimate

amrex::Real underfac

factor controlling progressive underrelaxation

int do_sync

perform sync (if false zero out sync source)

int do_kappa_stm_emission

amrex::Vector<std::unique_ptr<amrex::MultiFab>> plotvar

int use_dkdT

<MGFLD>

int use_WiensLaw

<Shestakov-Bolstad>

amrex::Real Tf_Wien

amrex::Vector<amrex::Real> xnu

amrex::Vector<amrex::Real> nugroup

amrex::Vector<amrex::Real> dnugroup

amrex::Vector<amrex::Real> lognugroup

amrex::Vector<amrex::Real> dlognugroup

Public Static Functions

static void read_static_params()

Public Static Attributes

static Solver_Type SolverType

static amrex::Real radtoE

static amrex::Real Etorad

static amrex::Real radfluxtoF

static int do_multigroup

static int nGroups

static int rad_hydro_combined

static int Er_Lorentz_term

static int icomp_lambda

static int icomp_kp

static int icomp_kr

static int icomp_lab_Er

static int icomp_lab_Fr

static int icomp_com_Fr

static int nplotvar

static amrex::Vector<std::string> plotvar_names

static int filter_lambda_T

static int filter_lambda_S

static int filter_prim_int

static int filter_prim_T

static int filter_prim_S

static int accelerate

controls multigroup convergence acceleration

static amrex::Real convert_MeV_erg

Physical constants for use in multigroup, made static and public so that other modules such as RadSolve can get to them easily. Values are set in the Radiation constructor.

static amrex::Real clight

static amrex::Real hPlanck

static amrex::Real kBoltz

static amrex::Real Avogadro

static amrex::Real c

Values used internally for speed of light, Stefan-Boltzmann constant, radiation constant. (For contrived test problems, these may differ from the proper physical values, so be careful if you use them!)

static amrex::Real sigma

static amrex::Real aRad

static int current_group_number

static std::string current_group_name

static int pure_hydro

Protected Attributes

amrex::Amr *parent

amrex::BCRec rad_bc

types defined in LO_BCTYPES.H, not BCTYPES.H

amrex::Real reltol

amrex::Real abstol

tolerances for implicit update loop

amrex::Vector<amrex::Real> delta_e_rat_level

amrex::Vector<amrex::Real> delta_T_rat_level

amrex::Vector<std::unique_ptr<amrex::FluxRegister>> flux_cons

arrays of flux registers flux_cons(\level) is a amrex::FluxRegister, which contains fluxes for all groups

amrex::Vector<std::unique_ptr<amrex::FluxRegister>> flux_cons_old

amrex::Vector<std::unique_ptr<amrex::FluxRegister>> flux_trial

amrex::Vector<amrex::Real> delta_t_old

for deferred sync

amrex::Vector<std::unique_ptr<amrex::MultiFab>> dflux

divergence of flux

std::string group_units

amrex::Real group_print_factor

amrex::IntVect spot