SpECTRE  v2026.04.01
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BnsInitialData::BoundaryConditions::StarSurface Class Reference

#include <StarSurface.hpp>

Public Types

using options = tmpl::list<>
using argument_tags
using volume_tags = tmpl::list<BnsInitialData::Tags::EulerEnthalpyConstant>
using argument_tags_linearized = tmpl::list<>
using volume_tags_linearized = tmpl::list<>

Public Member Functions

 StarSurface (const StarSurface &)=default
StarSurfaceoperator= (const StarSurface &)=default
 StarSurface (StarSurface &&)=default
StarSurfaceoperator= (StarSurface &&)=default
std::unique_ptr< domain::BoundaryConditions::BoundaryConditionget_clone () const override
 StarSurface (const Options::Context &context)
std::vector< elliptic::BoundaryConditionTypeboundary_condition_types () const override
void pup (PUP::er &p) override
Public Member Functions inherited from elliptic::BoundaryConditions::BoundaryCondition< 3 >
 BoundaryCondition (const BoundaryCondition &)=default
 BoundaryCondition (BoundaryCondition &&)=default
BoundaryConditionoperator= (const BoundaryCondition &)=default
BoundaryConditionoperator= (BoundaryCondition &&)=default
Public Member Functions inherited from domain::BoundaryConditions::BoundaryCondition
 BoundaryCondition (BoundaryCondition &&)=default
BoundaryConditionoperator= (BoundaryCondition &&)=default
 BoundaryCondition (const BoundaryCondition &)=default
BoundaryConditionoperator= (const BoundaryCondition &)=default
 BoundaryCondition (CkMigrateMessage *const msg)
 WRAPPED_PUPable_abstract (BoundaryCondition)

Static Public Member Functions

static void apply (gsl::not_null< Scalar< DataVector > * > velocity_potential, gsl::not_null< Scalar< DataVector > * > n_dot_flux_for_potential, const tnsr::i< DataVector, 3 > &deriv_velocity_potential, const Scalar< DataVector > &lapse, const tnsr::I< DataVector, 3 > &rotational_shift, double euler_enthalpy_constant, const tnsr::i< DataVector, 3 > &normal)
static void apply_linearized (gsl::not_null< Scalar< DataVector > * > velocity_potential_correction, gsl::not_null< Scalar< DataVector > * > n_dot_flux_for_potential_correction, const tnsr::i< DataVector, 3 > &deriv_velocity_potential)

Static Public Attributes

static constexpr Options::String help
Static Public Attributes inherited from elliptic::BoundaryConditions::BoundaryCondition< 3 >
static constexpr size_t volume_dim

Detailed Description

Impose StarSurface boundary conditions:

\[ n_i F^i = \frac{C}{\alpha^2} B^i n_i. \]

The boundary condition results from requiring the conservation equations be regular at the surface of the neutron star. See [14] 15.79.

Member Typedef Documentation

◆ argument_tags

using BnsInitialData::BoundaryConditions::StarSurface::argument_tags
Initial value:
tmpl::list<gr::Tags::Lapse<DataVector>,
::Tags::Normalized< Tags::UnnormalizedFaceNormal< Dim, LocalFrame > > FaceNormal
The normalized face normal.
Definition FaceNormal.hpp:16
The shift plus a spatial vector .
Definition Tags.hpp:26

Member Function Documentation

◆ boundary_condition_types()

std::vector< elliptic::BoundaryConditionType > BnsInitialData::BoundaryConditions::StarSurface::boundary_condition_types ( ) const
inlineoverridevirtual

◆ get_clone()

std::unique_ptr< domain::BoundaryConditions::BoundaryCondition > BnsInitialData::BoundaryConditions::StarSurface::get_clone ( ) const
inlineoverridevirtual

Member Data Documentation

◆ help

Options::String BnsInitialData::BoundaryConditions::StarSurface::help
staticconstexpr
Initial value:
=
"StarSurface boundary conditions n_i F^i = C/square(alpha) B^i n_i ."

The documentation for this class was generated from the following file:
  • src/Elliptic/Systems/BnsInitialData/BoundaryConditions/StarSurface.hpp