zoomy_core.fvm.riemann_solvers module

zoomy_core.fvm.riemann_solvers module#

Symbolic Riemann solvers: Rusanov, positive, nonconservative variants.

class zoomy_core.fvm.riemann_solvers.Numerics(model, **params)#

Bases: Parameterized, SymbolicRegistrar

Numerics. (class).

name = 'NumericsV2'#

model = None#

field_map = None#

scaled_q_indices = None#

local_max_eigenvalue_definition()#: Returns the opaque max_wavespeed function. The actual implementation is provided by the backend at runtime.

local_max_abs_eigenvalue(Q=None, Qaux=None, p=None, n=None)#: Called during symbolic Rusanov construction. Returns opaque max_wavespeed with the given state.

to_runtime(backend='numpy')#: To runtime.

to_runtime_numpy()#: To runtime numpy.

numerical_flux()#: Numerical flux.

numerical_fluctuations()#: Numerical fluctuations.

class zoomy_core.fvm.riemann_solvers.Rusanov(model, **params)#

Bases: Numerics

Rusanov. (class).

name = 'RusanovV2'#

get_viscosity_identity_flux()#: Get viscosity identity flux.

get_viscosity_identity_fluctuations()#: Get viscosity identity fluctuations.

numerical_flux()#: Numerical flux.

class zoomy_core.fvm.riemann_solvers.PositiveRusanov(model, **params)#

Bases: Rusanov

PositiveRusanov. (class).

name = 'PositiveRusanovV2'#

hydrostatic_reconstruction(qL, qR, auxL, auxR)#: Hydrostatic reconstruction.

numerical_flux()#: Numerical flux.

numerical_fluctuations()#: Numerical fluctuations.

class zoomy_core.fvm.riemann_solvers.NonconservativeRusanov(model, **params)#

Bases: Rusanov

NonconservativeRusanov. (class).

name = 'NonconservativeRusanovV2'#

integration_order = 3#

get_path_integral_states()#: Get path integral states.

get_viscosity_identity_flux()#: Get viscosity identity flux.

get_viscosity_identity_fluctuations()#: Get viscosity identity fluctuations.

numerical_fluctuations()#: Numerical fluctuations.

class zoomy_core.fvm.riemann_solvers.PositiveNonconservativeRusanov(model, **params)#

Bases: PositiveRusanov, NonconservativeRusanov

PositiveNonconservativeRusanov. (class).

name = 'PositiveNonconservativeRusanovV2'#

get_path_integral_states()#: Get path integral states.

class zoomy_core.fvm.riemann_solvers.QuasilinearRusanov(model, **params)#

Bases: NonconservativeRusanov

QuasilinearRusanov. (class).

name = 'QuasilinearRusanovV2'#

numerical_flux()#: Numerical flux.

class zoomy_core.fvm.riemann_solvers.PositiveQuasilinearRusanov(model, **params)#

Bases: PositiveRusanov, QuasilinearRusanov

PositiveQuasilinearRusanov. (class).

name = 'PositiveQuasilinearRusanovV2'#

numerical_flux()#: Numerical flux.

get_path_integral_states()#: Get path integral states.