SpECTRE  v2024.09.29
sgb::Tags::PiCompute< ShiftTag, OutputTag > Struct Template Reference

Re-compute the momentum Pi, assuming quasi-stationarity. More...

#include <ScalarMomentum.hpp>

Public Types

using base = OutputTag
 
using return_type = typename base::type
 
using argument_tags = tmpl::list<::Tags::deriv< Psi, tmpl::size_t< 3 >, Frame::Inertial >, ShiftTag, gr::Tags::Lapse< DataVector > >
 

Static Public Attributes

static constexpr auto function
 

Detailed Description

template<typename ShiftTag, typename OutputTag>
struct sgb::Tags::PiCompute< ShiftTag, OutputTag >

Re-compute the momentum Pi, assuming quasi-stationarity.

Member Data Documentation

◆ function

template<typename ShiftTag , typename OutputTag >
constexpr auto sgb::Tags::PiCompute< ShiftTag, OutputTag >::function
staticconstexpr
Initial value:
=
static_cast<void (*)(gsl::not_null<return_type*>,
Definition: ContractFirstNIndices.hpp:16
Require a pointer to not be a nullptr
Definition: Gsl.hpp:198
void scalar_momentum(gsl::not_null< Scalar< DataVector > * > result, const tnsr::i< DataVector, 3, Frame::Inertial > &deriv, const tnsr::I< DataVector, 3 > &shift, const Scalar< DataVector > &lapse)
Compute the momentum assuming quasi-stationarity in sGB gravity.

The documentation for this struct was generated from the following file: