SpECTRE  v2026.04.01
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Xcts::Tags::SpacetimeQuantitiesCompute< Tags > Struct Template Reference

Compute tag for the 3+1 quantities Tags from XCTS variables. The Tags can be any subset of the tags supported by Xcts::SpacetimeQuantities. More...

#include <SpacetimeQuantities.hpp>

Public Types

using base = ::Tags::Variables<Tags>
using argument_tags
Public Types inherited from Tags::Variables< Tags >
using tags_list
using type

Static Public Member Functions

template<typename... Args>
static void function (const gsl::not_null< typename base::type * > result, const Mesh< 3 > &mesh, const Args &... args)
Static Public Member Functions inherited from Tags::Variables< Tags >
static std::string name ()

Detailed Description

template<typename Tags>
struct Xcts::Tags::SpacetimeQuantitiesCompute< Tags >

Compute tag for the 3+1 quantities Tags from XCTS variables. The Tags can be any subset of the tags supported by Xcts::SpacetimeQuantities.

Member Typedef Documentation

◆ argument_tags

template<typename Tags>
using Xcts::Tags::SpacetimeQuantitiesCompute< Tags >::argument_tags
Initial value:
tmpl::list<
tmpl::size_t<3>, Frame::Inertial>,
tmpl::size_t<3>, Frame::Inertial>,
tmpl::size_t<3>, Frame::Inertial>,
Stores a collection of function values.
Definition DataVector.hpp:48
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
gr::Tags::Conformal< gr::Tags::SpatialMetric< DataType, Dim, Frame >, -4 > ConformalMetric
The conformally scaled spatial metric , where is the Xcts::Tags::ConformalFactor and is the gr::Tag...
Definition Tags.hpp:43
Definition IndexType.hpp:46
Prefix indicating spatial derivatives.
Definition Prefixes.hpp:46
Prefix indicating the divergence.
Definition Divergence.hpp:44
The Christoffel symbols of the second kind (related to the conformal metric ) contracted in their fir...
Definition Tags.hpp:233
The Christoffel symbols of the first kind related to the conformal metric .
Definition Tags.hpp:214
The Christoffel symbols of the second kind related to the conformal metric .
Definition Tags.hpp:223
The conformal factor minus one . Useful as dynamic variable in formulations of the XCTS equations bec...
Definition Tags.hpp:32
The Ricci scalar related to the conformal metric .
Definition Tags.hpp:251
The Ricci tensor related to the conformal metric .
Definition Tags.hpp:242
The lapse times the conformal factor minus one .
Definition Tags.hpp:74
The conformal longitudinal operator applied to the background shift vector minus the time derivative ...
Definition Tags.hpp:169
The constant part of the shift .
Definition Tags.hpp:85
The dynamic part of the shift .
Definition Tags.hpp:104
The inverse Jacobian from the source frame to the target frame.
Definition Tags.hpp:118
The computational grid of the Element in the DataBox.
Definition Tags.hpp:62
The quantity Tag scaled by a conformal factor to the given Power
Definition Conformal.hpp:14
Definition Tags.hpp:143

The documentation for this struct was generated from the following file:
  • src/PointwiseFunctions/Xcts/SpacetimeQuantities.hpp