SpECTRE  v2026.04.01
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sgb::Fluxes Struct Reference

Compute the fluxes \(F^i\) for the scalar equation in sGB gravity on a spatial metric \(\gamma_{ij}\). More...

#include <Equations.hpp>

Public Types

using argument_tags
using volume_tags = tmpl::list<>
using const_global_cache_tags = tmpl::list<>

Static Public Member Functions

static void apply (gsl::not_null< tnsr::I< DataVector, 3 > * > flux_for_field, const tnsr::II< DataVector, 3 > &inv_conformal_metric, const tnsr::I< DataVector, 3 > &shift, const Scalar< DataVector > &lapse, const Scalar< DataVector > &conformal_factor, const Scalar< DataVector > &field, const tnsr::i< DataVector, 3 > &field_gradient)
static void apply (gsl::not_null< tnsr::I< DataVector, 3 > * > flux_for_field, const tnsr::II< DataVector, 3 > &inv_conformal_metric, const tnsr::I< DataVector, 3 > &shift, const Scalar< DataVector > &lapse, const Scalar< DataVector > &conformal_factor, const tnsr::i< DataVector, 3 > &face_normal, const tnsr::I< DataVector, 3 > &face_normal_vector, const Scalar< DataVector > &field)

Static Public Attributes

static constexpr bool is_trivial = false
static constexpr bool is_discontinuous = false

Detailed Description

Compute the fluxes \(F^i\) for the scalar equation in sGB gravity on a spatial metric \(\gamma_{ij}\).

Member Typedef Documentation

◆ argument_tags

using sgb::Fluxes::argument_tags
Initial value:
tmpl::list<
gr::Tags::Conformal< gr::Tags::InverseSpatialMetric< DataType, Dim, Frame >, 4 > InverseConformalMetric
The conformally scaled inverse spatial metric , where is the Xcts::Tags::ConformalFactor and is the...
Definition Tags.hpp:53
The conformal factor that rescales the spatial metric .
Definition Tags.hpp:22
Definition Tags.hpp:65
Rolled-off shift (i.e. the shift used in computing the fluxes).
Definition Tags.hpp:124

The documentation for this struct was generated from the following file:
  • src/Elliptic/Systems/ScalarGaussBonnet/Equations.hpp