Contains constant values used throughout the code(s). More...

Modules
module	m_constants
	Compile-time constant parameters: default values, tolerances, and physical constants.

Variables
character, parameter	m_constants::dflt_char = ' '
	Default string value.
real(wp), parameter	m_constants::dflt_real = -1.e6_wp
	Default real value.
real(wp), parameter	m_constants::sgm_eps = 1.e-16_wp
	Segmentation tolerance.
real(wp), parameter	m_constants::chem_tolerance = 1.e-16_wp
	Speed of Sound Tolerance in Chemistry.
real(wp), parameter	m_constants::small_alf = 1.e-11_wp
	Small alf tolerance.
real(wp), parameter	m_constants::pi = 3.141592653589793_wp
	Pi.
real(wp), parameter	m_constants::verysmall = 1.e-12_wp
	Very small number.
real(wp), parameter	m_constants::t_surface_min = 200._wp
	Temperature window the immersed-boundary reacting-surface state is kept inside. It is the range the NASA polynomials behind the thermodynamic evaluations are fitted over – 200 K is the T_low of every species in the mechanisms shipped with the reacting-surface example – so it is where those fits mean anything. Shared by the surface Newton solve, which searches inside it, the ghost reconstruction, which will not extrapolate out of it, and the case checker, which rejects a prescribed wall temperature outside it.
real(wp), parameter	m_constants::t_surface_max = 5000._wp
real(wp), parameter	m_constants::small_radius = 1.e-32_wp
	Radius cutoff to avoid division by zero for 3D spherical harmonic patch (geometry 14).
integer, parameter	m_constants::num_stcls_min = 5
	Minimum # of stencils.
integer, parameter	m_constants::path_len = 400
	Maximum path length.
integer, parameter	m_constants::name_len = 50
	Maximum name length.
integer, parameter	m_constants::dflt_int = -100
	Default integer value.
integer, parameter	m_constants::fourier_rings = 5
	Fourier filter ring limit.
integer, parameter	m_constants::num_fluids_max = 10
	Maximum number of fluids in the simulation.
integer, parameter	m_constants::num_probes_max = 64
	Maximum number of flow probes in the simulation.
integer, parameter	m_constants::num_patches_max = 10
	Maximum number of IC patches.
integer, parameter	m_constants::num_ib_airfoils_max = 5
	Maximum number of ib_airfoil instances.
integer, parameter	m_constants::num_stl_models_max = 10
integer, parameter	m_constants::num_local_ibs_max = 30000
	Maximum number of immersed boundary patches (legacy, not used for patch_ib sizing) Fixed capacity of patch_ib (namelist patches + local particle bed subset after reduction).
integer, parameter	m_constants::num_ib_patches_max_namelist = 810000
integer, parameter	m_constants::num_particle_clouds_max = 10
	Maximum number of particle bed patch specifications.
integer, parameter	m_constants::num_bc_patches_max = 10
	Maximum number of boundary condition patches.
integer, parameter	m_constants::max_2d_fourier_modes = 10
	Max Fourier mode index for 2D modal patch (geometry 13).
integer, parameter	m_constants::max_sph_harm_degree = 5
	Max degree L for 3D spherical harmonic patch (geometry 14).
integer, parameter	m_constants::pathlen_max = 400
	Maximum path length for STL/OBJ model files.
integer, parameter	m_constants::nnode = 4
	Number of QBMM nodes.
integer, parameter	m_constants::dflt_num_igr_iters = 2
	number of iterations for IGR elliptic solve
integer, parameter	m_constants::dflt_num_igr_warm_start_iters = 50
	default number of iterations for IGR elliptic solve
real(wp), parameter	m_constants::dflt_alf_factor = 10._wp
	scaling factor for IGR alpha
integer, parameter	m_constants::gp_layers = 3
	Number of ghost point layers for IBM.
real(wp), parameter	m_constants::capillary_cutoff = 1.e-6
	color function gradient magnitude at which to apply the surface tension fluxes
real(wp), parameter	m_constants::acoustic_spatial_support_width = 2.5_wp
	Spatial support width of acoustic source, used in s_source_spatial.
real(wp), parameter	m_constants::dflt_vcfl_dt = 100._wp
	value of vcfl_dt when viscosity is off for computing adaptive timestep size
real(wp), parameter	m_constants::broadband_spectral_level_constant = 20._wp
	The constant to scale the spectral level at the lower frequency bound.
real(wp), parameter	m_constants::broadband_spectral_level_growth_rate = 10._wp
	The spectral level constant to correct the magnitude at each frequency to ensure the source is overall broadband.
real(wp), parameter	m_constants::dflt_ic_eps = 1e-4_wp
	Ensure compression is only applied to surface cells in THINC.
real(wp), parameter	m_constants::dflt_ic_beta = 1.6_wp
	Sharpness parameter's default value used in THINC.
real(wp), parameter	m_constants::moncon_cutoff = 1e-8_wp
	Monotonicity constraint's limiter to prevent extremas in THINC.
real(wp), parameter	m_constants::mthinc_align_tol = 1.e-8_wp
	Grid aligned snap tolerance for MTHINC normals.
real(wp), parameter	m_constants::dflt_t_guess = 1200._wp
	Default guess for temperature (when a previous value is not available).
integer, parameter	m_constants::num_ray = 20
	Default number of rays traced per cell.
real(wp), parameter	m_constants::ray_tracing_threshold = 0.9_wp
	Threshold above which the cell is marked as the model patch.
real(wp), parameter	m_constants::threshold_vector_zero = 1.e-10_wp
	Threshold to treat the component of a vector to be zero.
real(wp), parameter	m_constants::threshold_edge_zero = 1.e-10_wp
	Threshold to treat two edges to be overlapped.
real(wp), parameter	m_constants::initial_distance_buffer = 1.e12_wp
	Initialized levelset distance for the shortest path pair algorithm.
integer, parameter	m_constants::mapcells = 3
	Number of cells around the bubble where the smoothening function will have effect.
real(wp), parameter	m_constants::r_uni = 8314._wp
	Universal gas constant - J/kmol/K.
integer, parameter	m_constants::lag_io_vars = 21
	Number of variables per particle for MPI_IO.
real(wp), parameter	m_constants::dflt_adap_dt_tol = 1.e-4_wp
	Default tolerance for adaptive step size.
integer, parameter	m_constants::dflt_adap_dt_max_iters = 100
	Default max iteration for adaptive step size.
real(wp), parameter	m_constants::threshold_first_guess = 1.e-5_wp
	Threshold for initial step size estimate.
real(wp), parameter	m_constants::threshold_second_guess = 1.e-15_wp
	Threshold for refined step size estimate.
real(wp), parameter	m_constants::scale_first_guess = 1.e-3_wp
	Scale factor for initial step size.
real(wp), parameter	m_constants::scale_guess = 1.e-2_wp
	Scale factor for step size adjustment.
real(wp), parameter	m_constants::small_guess = 1.e-6_wp
	Minimum initial step size.
integer, parameter	m_constants::relativity_cons_to_prim_max_iter = 100
	Max Newton-Raphson iterations for relativistic primitive recovery.
integer, parameter	m_constants::modulus = 2**30 - 1
	PRNG modulus.
integer, parameter	m_constants::multiplier = 1664525
	PRNG multiplier.
integer, parameter	m_constants::increment = 1013904223
	PRNG increment.
integer, parameter	m_constants::amplifier = 3**13
	PRNG amplifier for mixing.
real(wp), parameter	m_constants::decimal_trim = 1.e5_wp
	PRNG decimal truncation factor.
integer, parameter	m_constants::case_file_error_code = 22
	Exit code for case file validation errors.
integer, parameter	m_constants::bc_periodic = -1
integer, parameter	m_constants::bc_reflective = -2
integer, parameter	m_constants::bc_ghost_extrap = -3
integer, parameter	m_constants::bc_riemann_extrap = -4
integer, parameter	m_constants::bc_char_slip_wall = -5
integer, parameter	m_constants::bc_char_nr_sub_buffer = -6
integer, parameter	m_constants::bc_char_nr_sub_inflow = -7
integer, parameter	m_constants::bc_char_nr_sub_outflow = -8
integer, parameter	m_constants::bc_char_ff_sub_outflow = -9
integer, parameter	m_constants::bc_char_cp_sub_outflow = -10
integer, parameter	m_constants::bc_char_sup_inflow = -11
integer, parameter	m_constants::bc_char_sup_outflow = -12
integer, parameter	m_constants::bc_null = -13
integer, parameter	m_constants::bc_axis = -14
integer, parameter	m_constants::bc_slip_wall = -15
integer, parameter	m_constants::bc_no_slip_wall = -16
integer, parameter	m_constants::bc_dirichlet = -17
integer, parameter	m_constants::eos_rk4_steps = 8
	Equation of state per fluid (eos_stiffened_gas, eos_ideal_gas, eos_mie_gruneisen, eos_jwl, eos_vinet) is generated from EOS_FAMILIES in toolchain/mfc/params/eos_families.py; see generated_constants.fpp below.
integer, parameter	m_constants::ode_isentrope = 1
integer, parameter	m_constants::ode_reference_temperature = 2
	the two ODEs s_rk4 integrates
integer, parameter	m_constants::num_synth_shells_max = 50
	Max energy shells for synthetic turbulence.
integer, parameter	m_constants::num_turb_sources_max = 10
	Max Gaussian forcing zones for synthetic turbulence.
integer, parameter	m_constants::avg_state_roe = 1
integer, parameter	m_constants::avg_state_arithmetic = 2
integer, parameter	m_constants::bubble_model_particle = 0
integer, parameter	m_constants::bubble_model_gilmore = 1
integer, parameter	m_constants::bubble_model_keller_miksis = 2
integer, parameter	m_constants::bubble_model_rayleigh_plesset = 3
integer, parameter	m_constants::eos_stiffened_gas = 1
integer, parameter	m_constants::eos_ideal_gas = 2
integer, parameter	m_constants::eos_mie_gruneisen = 3
integer, parameter	m_constants::eos_jwl = 4
integer, parameter	m_constants::eos_vinet = 5
integer, parameter	m_constants::format_silo = 1
integer, parameter	m_constants::format_binary = 2
integer, parameter	m_constants::int_comp_off = 0
integer, parameter	m_constants::int_comp_thinc = 1
integer, parameter	m_constants::int_comp_mthinc = 2
integer, parameter	m_constants::model_eqns_gamma_law = 1
integer, parameter	m_constants::model_eqns_5eq = 2
integer, parameter	m_constants::model_eqns_6eq = 3
integer, parameter	m_constants::muscl_lim_unlimited = 0
integer, parameter	m_constants::muscl_lim_minmod = 1
integer, parameter	m_constants::muscl_lim_mc = 2
integer, parameter	m_constants::muscl_lim_van_albada = 3
integer, parameter	m_constants::muscl_lim_van_leer = 4
integer, parameter	m_constants::muscl_lim_superbee = 5
integer, parameter	m_constants::muscl_order_first_order = 1
integer, parameter	m_constants::muscl_order_second_order = 2
integer, parameter	m_constants::precision_single = 1
integer, parameter	m_constants::precision_double = 2
integer, parameter	m_constants::recon_type_weno = 1
integer, parameter	m_constants::recon_type_muscl = 2
integer, parameter	m_constants::riemann_solver_hll = 1
integer, parameter	m_constants::riemann_solver_hllc = 2
integer, parameter	m_constants::riemann_solver_hlld = 4
integer, parameter	m_constants::riemann_solver_lax_friedrichs = 5
integer, parameter	m_constants::time_stepper_rk1 = 1
integer, parameter	m_constants::time_stepper_rk2 = 2
integer, parameter	m_constants::time_stepper_rk3 = 3
integer, parameter	m_constants::wave_speeds_direct = 1
integer, parameter	m_constants::wave_speeds_pressure = 2

Detailed Description

Contains constant values used throughout the code(s).

Definition in file m_constants.fpp.f90.

Modules

Variables

Detailed Description