SpECTRE  v2026.04.01
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ScalarWave::Tags::MomentumDensityCompute< SpatialDim > Struct Template Reference

Computes the momentum density using ScalarWave::momentum_density() More...

#include <MomentumDensity.hpp>

Public Types

using argument_tags = tmpl::list<Pi, Phi<SpatialDim>>
using return_type = tnsr::i<DataVector, SpatialDim, Frame::Inertial>
using base = MomentumDensity<SpatialDim>
Public Types inherited from ScalarWave::Tags::MomentumDensity< SpatialDim >
using type

Static Public Attributes

static constexpr auto function

Detailed Description

template<size_t SpatialDim>
struct ScalarWave::Tags::MomentumDensityCompute< SpatialDim >

Computes the momentum density using ScalarWave::momentum_density()

Member Data Documentation

◆ function

template<size_t SpatialDim>
auto ScalarWave::Tags::MomentumDensityCompute< SpatialDim >::function
staticconstexpr
Initial value:
= static_cast<void (*)(
const tnsr::i<DataVector, SpatialDim, Frame::Inertial>&)>(
Require a pointer to not be a nullptr
Definition Gsl.hpp:197
Tensor< T, Symmetry<>, index_list<> > Scalar
Scalar type.
Definition TypeAliases.hpp:21
void momentum_density(gsl::not_null< tnsr::i< DataVector, SpatialDim, Frame::Inertial > * > result, const Scalar< DataVector > &pi, const tnsr::i< DataVector, SpatialDim, Frame::Inertial > &phi)
Computes the momentum density of the scalar wave system.

The documentation for this struct was generated from the following file:
  • src/Evolution/Systems/ScalarWave/MomentumDensity.hpp