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SpECTRE
v2026.04.01
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Tags for Cauchy Characteristic Extraction routines. More...
Classes | |
| struct | AnalyticBoundaryDataManager |
| A tag that constructs a AnalyticBoundaryDataManager from options. More... | |
| struct | AnalyticInitializeJ |
| struct | BondiBeta |
| Bondi parameter \(\beta\). More... | |
| struct | BondiJ |
| Bondi parameter \(J\). More... | |
| struct | BondiJbar |
| Bondi parameter \(\bar{J}\). More... | |
| struct | BondiJCauchyView |
| Bondi parameter \(\bar{J}\) in the Cauchy frame. More... | |
| struct | BondiK |
| Bondi parameter \(K = \sqrt{1 + J \bar{J}}\). More... | |
| struct | BondiQ |
| Bondi parameter \(Q\). More... | |
| struct | BondiQbar |
| Bondi parameter \(\bar{Q}\). More... | |
| struct | BondiR |
| The Bondi radius \(R(u, \theta, \phi)\) is of the worldtube. More... | |
| struct | BondiU |
| Bondi parameter \(U\). More... | |
| struct | BondiUAtScri |
| The surface quantity of Bondi \(U\) evaluated at the null spacetime boundary \(\mathcal I^+\). More... | |
| struct | BondiUbar |
| Bondi parameter \(\bar{U}\). More... | |
| struct | BondiW |
| Bondi parameter \(W\). More... | |
| struct | BoundaryValue |
| A prefix tag representing the boundary data for a quantity on the extraction surface. More... | |
| struct | CauchyAngularCoords |
| struct | CauchyCartesianCoords |
| struct | CauchyGaugeC |
| The spin-weight 2 angular Jacobian factor in the Cauchy coordinates, similar to Eq. (31a) of [152], but without hat. More... | |
| struct | CauchyGaugeD |
| The spin-weight 0 angular Jacobian factor in the Cauchy coordinates, similar to Eq. (31b) of [152], but without hat. More... | |
| struct | CauchyGaugeOmega |
| The conformal factor in the Cauchy coordinates, similar to Eq. (32) of [152], but without hat. More... | |
| struct | CceEvolutionPrefix |
| Tag for duplicating functionality of another tag, but allows creation from options in the Cce::Evolution option group. More... | |
| struct | CceEvolutionPrefix< Tag > |
| struct | ComplexInertialRetardedTime |
| Complex storage form for the asymptotically inertial retarded time, for taking spin-weighted derivatives. More... | |
| struct | Dlambda |
| The derivative with respect to \(\lambda\), where \(\lambda\) is an affine parameter along \(l\), see Eq. (19a) of [152]. More... | |
| struct | Dr |
| The derivative with respect to Bondi \(r\). More... | |
| struct | Du |
| The derivative with respect to Bondi retarded time \(u\). More... | |
| struct | DuR |
| A tag for the first time derivative of the worldtube parameter \(\partial_u R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More... | |
| struct | DuRDividedByR |
| The value \(\partial_u R / R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More... | |
| struct | Dy |
| The derivative with respect to the numerical coordinate \(y = 1 - 2R/r\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More... | |
| struct | DyCompute |
| Compute tag for a manually-handled partial y derivative in the volume. More... | |
| struct | EndTime |
| struct | EndTimeFromFile |
| Represents the final time of a bounded CCE evolution, determined either from option specification or from the file. More... | |
| struct | EthEthbarRDividedByR |
| The value \(\eth \bar{\eth} R / R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More... | |
| struct | EthEthRDividedByR |
| The value \(\eth \eth R / R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More... | |
| struct | EthInertialRetardedTime |
| Represents \(\eth u_{\rm inertial}\), which is a useful quantity for asymptotic coordinate transformations. More... | |
| struct | EthRDividedByR |
| The value \(\eth R / R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More... | |
| struct | EvolutionGaugeBoundaryValue |
| A prefix tag representing the gauge-transformed boundary data for a quantity on the extraction surface. More... | |
| struct | Exp2Beta |
| The value \(\exp(2\beta)\). More... | |
| struct | ExtractionRadius |
| struct | ExtractionRadiusFromH5 |
| struct | ExtractionRadiusSimple |
| struct | FilePrefix |
| struct | FilterLMax |
| struct | GhInterfaceManager |
| struct | H5WorldtubeBoundaryDataManager |
| A tag that constructs a MetricWorldtubeDataManager or BondiWorldtubeDataManager from options. More... | |
| struct | InertialRetardedTime |
| The asymptotically inertial retarded time in terms of the evolution time variable. More... | |
| struct | InitializeJ |
| Tag for first-hypersurface initialization procedure specified by input options. More... | |
| struct | Integrand |
| A prefix tag representing a quantity that will appear on the right-hand side of an explicitly regular differential equation. More... | |
| struct | InterpolationManager |
| struct | JbarQMinus2EthBeta |
| The value \( \bar{J} (Q - 2 \eth \beta ) \). More... | |
| struct | KleinGordonH5WorldtubeBoundaryDataManager |
| A tag that constructs a KleinGordonWorldtubeDataManager from options. More... | |
| struct | KleinGordonPsi |
| struct | KleinGordonSource |
| A prefix tag representing Klein-Gordon sources in Cce hypersurface equations. More... | |
| struct | LinearFactor |
| A prefix tag representing a linear factor that acts on Tag. To determine the spin weight, It is assumed that the linear factor plays the role of \(L\) in an equation of the form, \( (y - 1) \partial_y H + L H + L^\prime \bar{H} = A + (1 - y) B \). More... | |
| struct | LinearFactorForConjugate |
| A prefix tag representing a linear factor that acts on Tag. To determine the spin weight, it is assumed that the linear factor plays the role of \(L^\prime\) in an equation of the form, \( (y - 1) \partial_y H + L H + L^\prime \bar{H} = A + (1 - y) B \). More... | |
| struct | NewmanPenroseAlpha |
| The (adapted) Newman-Penrose spin coefficient \(\alpha^{SW}\). See documentation of newman_penrose_alpha() for definition. More... | |
| struct | NewmanPenroseAlphaCompute |
| Compute tag for \(\alpha^{SW}\) in the volume. More... | |
| struct | NewmanPenroseBeta |
| The (adapted) Newman-Penrose spin coefficient \(\beta_{NP}^{SW}\). See documentation of newman_penrose_beta() for definition. More... | |
| struct | NewmanPenroseBetaCompute |
| Compute tag for \(\beta_{NP}^{SW}\) in the volume. More... | |
| struct | NewmanPenroseEpsilon |
| The (adapted) Newman-Penrose spin coefficient \(\epsilon^{SW}\). See documentation of newman_penrose_epsilon() for definition. More... | |
| struct | NewmanPenroseEpsilonCompute |
| Compute tag for \(\epsilon^{SW}\) in the volume. More... | |
| struct | NewmanPenroseGamma |
| The (adapted) Newman-Penrose spin coefficient \(\gamma^{SW}\). See documentation of newman_penrose_gamma() for definition. More... | |
| struct | NewmanPenroseGammaCompute |
| Compute tag for \(\gamma^{SW}\) in the volume. More... | |
| struct | NewmanPenroseKappa |
| The Newman-Penrose spin coefficient \(\kappa\). In the choice of tetrad of [152], \(\kappa=0\). Therefore, this tag should never actually be used. It is declared here so it does not seem like it is "missing", and to document that any calculation involving \(\kappa\) should be simplified with \(\kappa=0\). More... | |
| struct | NewmanPenroseLambda |
| The Newman-Penrose spin coefficient \(\lambda\). See documentation of newman_penrose_lambda() for definition. More... | |
| struct | NewmanPenroseLambdaCompute |
| Compute tag for \(\lambda\) in the volume. More... | |
| struct | NewmanPenroseMu |
| The Newman-Penrose spin coefficient \(\mu\). See documentation of newman_penrose_mu() for definition. More... | |
| struct | NewmanPenroseMuCompute |
| Compute tag for \(\mu\) in the volume. More... | |
| struct | NewmanPenroseNu |
| The Newman-Penrose spin coefficient \(\nu\). See documentation of newman_penrose_nu() for definition. More... | |
| struct | NewmanPenroseNuCompute |
| Compute tag for \(\nu\) in the volume. More... | |
| struct | NewmanPenrosePi |
| The Newman-Penrose spin coefficient \(\pi\). See documentation of newman_penrose_pi() for definition. More... | |
| struct | NewmanPenrosePiCompute |
| Compute tag for \(\pi\) in the volume. More... | |
| struct | NewmanPenroseRho |
| The Newman-Penrose spin coefficient \(\rho\). See documentation of newman_penrose_rho() for definition. More... | |
| struct | NewmanPenroseRhoCompute |
| Compute tag for \(\rho\) in the volume. More... | |
| struct | NewmanPenroseSigma |
| The Newman-Penrose spin coefficient \(\sigma\). See documentation of newman_penrose_sigma() for definition. More... | |
| struct | NewmanPenroseSigmaCompute |
| Compute tag for \(\sigma\) in the volume. More... | |
| struct | NewmanPenroseTau |
| The Newman-Penrose spin coefficient \(\tau\). See documentation of newman_penrose_tau() for definition. More... | |
| struct | NewmanPenroseTauCompute |
| Compute tag for \(\tau\) in the volume. More... | |
| struct | News |
| struct | NoEndTime |
| Represents the final time of a CCE evolution that should just proceed until it receives no more boundary data and becomes quiescent. More... | |
| struct | ObservationLMax |
| struct | OneMinusY |
| Coordinate value \((1 - y)\), which will be cached and sent to the implementing functions. More... | |
| struct | OutputNoninertialNews |
| Represents whether the news should be provided at noninertial times. More... | |
| struct | PartiallyFlatAngularCoords |
| The angular coordinates for the partially flat Bondi-like coordinates. More... | |
| struct | PartiallyFlatCartesianCoords |
| The partially flat Bondi-like coordinates. More... | |
| struct | PartiallyFlatGaugeC |
| The spin-weight 2 angular Jacobian factor in the partially flat Bondi-like coordinates, see Eq. (31a) of [152]. More... | |
| struct | PartiallyFlatGaugeD |
| The spin-weight 0 angular Jacobian factor in the partially flat Bondi-like coordinates, see Eq. (31b) of [152]. More... | |
| struct | PartiallyFlatGaugeOmega |
| The conformal factor in the partially flat Bondi-like coordinates, associated with an angular transformation, see Eq. (32) of [152]. More... | |
| struct | PoleOfIntegrand |
| A prefix tag representing the coefficient of a pole part of the right-hand side of a singular differential equation. More... | |
| struct | Psi0 |
| The Weyl scalar \(\Psi_0\). More... | |
| struct | Psi0Compute |
| Compute tag for \(\Psi_0\) in the volume. More... | |
| struct | Psi0Match |
| The Weyl scalar \(\Psi_0\) for matching (in the Cauchy frame) More... | |
| struct | Psi1 |
| The Weyl scalar \(\Psi_1\). More... | |
| struct | Psi1Compute |
| Compute tag for \(\Psi_1\) in the volume. More... | |
| struct | Psi2 |
| The Weyl scalar \(\Psi_2\). More... | |
| struct | Psi2Compute |
| Compute tag for \(\Psi_2\) in the volume. More... | |
| struct | Psi3 |
| The Weyl scalar \(\Psi_3\). More... | |
| struct | Psi4 |
| The Weyl scalar \(\Psi_4\). More... | |
| struct | RadialFilterAlpha |
| struct | RadialFilterHalfPower |
| struct | RegularIntegrand |
| A prefix tag representing the regular part of the right-hand side of a regular differential equation. More... | |
| struct | ScriPlus |
| A prefix tag representing the value at \(\mathcal I^+\). More... | |
| struct | ScriPlusFactor |
| A prefix tag representing an additional correction factor necessary to compute the quantity at \(\mathcal I^+\). More... | |
| struct | SelfStartGhInterfaceManager |
| During self-start, we must be in lockstep with the GH system (if running concurrently), because the step size is unchangable during self-start. More... | |
| struct | SpecifiedEndTime |
| Represents the final time of a bounded CCE evolution that must be supplied in the input file (for e.g. analytic tests). More... | |
| struct | SpecifiedStartTime |
| Represents the start time of a bounded CCE evolution that must be supplied in the input file (for e.g. analytic tests). More... | |
| struct | StartTime |
| struct | StartTimeFromFile |
| Represents the start time of a bounded CCE evolution, determined either from option specification or from the file. More... | |
| struct | Strain |
| The gravitational wave strain \(h\). More... | |
| struct | SwshDerivativeCompute |
| Compute tag for a manually-handled Swsh derivative in the volume. More... | |
| struct | TimeIntegral |
| A prefix tag representing the time integral of the value it prefixes. More... | |
Typedefs | |
| template<template< typename > class BoundaryPrefix, bool IncludeKleinGordon = false> | |
| using | characteristic_worldtube_boundary_tags |
| The collection of tags mutated by create_bondi_boundary_data (and create_klein_gordon_boundary_data if Klein-Gordon variables are included) | |
| template<template< typename > class BoundaryPrefix = Cce::Tags::BoundaryValue, bool IncludeKleinGordon = false> | |
| using | worldtube_boundary_tags_for_writing |
| The collection of tags for worldtube quantities that need to be written to disk during the Cauchy evolution that the CharacateristicExtract need. | |
| using | klein_gordon_worldtube_boundary_tags |
| using | BondiH = ::Tags::dt<BondiJ> |
| Bondi parameter \(H = \partial_u J\). | |
| using | KleinGordonPi = ::Tags::dt<KleinGordonPsi> |
| Klein-Gordon variable \(\Pi = \partial_u \psi\). | |
| using | LMax = Spectral::Swsh::Tags::LMax |
| using | NumberOfRadialPoints = Spectral::Swsh::Tags::NumberOfRadialPoints |
Tags for Cauchy Characteristic Extraction routines.
| using Cce::Tags::BondiH = ::Tags::dt<BondiJ> |
Bondi parameter \(H = \partial_u J\).
| using Cce::Tags::characteristic_worldtube_boundary_tags |
The collection of tags mutated by create_bondi_boundary_data (and create_klein_gordon_boundary_data if Klein-Gordon variables are included)
This list is used in the evolution of CharacteristicExtract
| using Cce::Tags::klein_gordon_worldtube_boundary_tags |
| using Cce::Tags::worldtube_boundary_tags_for_writing |
The collection of tags for worldtube quantities that need to be written to disk during the Cauchy evolution that the CharacateristicExtract need.
This list is used when writing Bondi quantities to disk. For the combined ScalarTensor system, this list also includes the Klein-Gordon scalar variables.