SpECTRE
v2024.09.29

Tags for the generalized harmonic formulation of Einstein equations. More...
Classes  
struct  CharacteristicFields 
struct  CharacteristicSpeeds 
struct  ComputeLargestCharacteristicSpeed 
Computes the largest magnitude of the characteristic speeds. More...  
struct  ConstraintEnergy 
Tags corresponding to various constraints of the generalized harmonic system, and their diagnostically useful combinations. More...  
struct  ConstraintEnergyCompute 
Compute item to get combined energy in all constraints for the generalized harmonic evolution system. More...  
struct  DerivLapseCompute 
Compute item to get spatial derivatives of lapse from the generalized harmonic variables and spacetime unit normal oneform. More...  
struct  DerivShiftCompute 
Compute item to get spatial derivatives of the shift vector from generalized harmonic and geometric variables. More...  
struct  DerivSpatialMetricCompute 
Compute item to get spatial derivatives of the spatial metric from the generalized harmonic spatial derivative variable. More...  
struct  EvolvedFieldsFromCharacteristicFields 
struct  ExtrinsicCurvatureCompute 
Compute item to get extrinsic curvature from generalized harmonic variables and the spacetime normal vector. More...  
struct  FConstraint 
Tags corresponding to various constraints of the generalized harmonic system, and their diagnostically useful combinations. More...  
struct  FConstraintCompute 
Compute item to get the Fconstraint for the generalized harmonic evolution system. More...  
struct  FourIndexConstraint 
Tags corresponding to various constraints of the generalized harmonic system, and their diagnostically useful combinations. More...  
struct  FourIndexConstraintCompute 
Compute item to get the fourindex constraint for the generalized harmonic evolution system. More...  
struct  Gamma1Gamma2 
\(\gamma_1 \gamma_2\) constraint damping product More...  
struct  Gamma1Plus1 
\(\gamma_1 + 1\) More...  
struct  GaugeConstraint 
Tags corresponding to various constraints of the generalized harmonic system, and their diagnostically useful combinations. More...  
struct  GaugeConstraintCompute 
Compute item to get the gauge constraint for the generalized harmonic evolution system. More...  
struct  GaugeH 
Gauge source function for the generalized harmonic system. More...  
struct  GaugeHImplicitFrom3p1QuantitiesCompute 
Compute item to get the implicit gauge source function from 3 + 1 quantities. More...  
struct  HalfPhiTwoNormals 
\(0.5\Phi_{iab}n^an^b\) More...  
struct  HalfPiTwoNormals 
\(0.5\Pi_{ab}n^an^b\) More...  
struct  InitialGaugeH 
Initial value of the gauge source function for the generalized harmonic system. More...  
struct  LargestCharacteristicSpeed 
struct  MeshVelocityDotThreeIndexConstraint 
\(\v^i_g \mathcal{C}_{iab}\) More...  
struct  NormalDotOneIndexConstraint 
\(n^a \mathcal{C}_a\) More...  
struct  Phi 
Auxiliary variable which is analytically the spatial derivative of the spacetime metric. More...  
struct  PhiCompute 
Compute item for the auxiliary variable \(\Phi_{iab}\) used by the generalized harmonic formulation of Einstein's equations. More...  
struct  PhiFirstIndexUp 
\(\Phi^i{}_{ab}\) More...  
struct  PhiOneNormal 
\(\Phi_{iab}n^a\) More...  
struct  PhiThirdIndexUp 
\(\Phi_{ia}{}^b\) More...  
struct  Pi 
Conjugate momentum to the spacetime metric. More...  
struct  PiCompute 
Compute item the conjugate momentum \(\Pi_{ab}\) of the spacetime metric \( g_{ab} \). More...  
struct  PiOneNormal 
\(\Pi_{ab}n^a\) More...  
struct  PiSecondIndexUp 
\(\Pi_a{}^b\) More...  
struct  SecondTimeDerivOfSpacetimeMetricCompute 
Compute item to get second time derivative of the spacetime metric from generalized harmonic and geometric variables. More...  
struct  ShiftDotThreeIndexConstraint 
\(\beta^i \mathcal{C}_{iab}\) More...  
struct  SpacetimeChristoffelFirstKindThirdIndexUp 
\(\Gamma_{ab}{}^c\) More...  
struct  SpacetimeDerivGaugeH 
Spacetime derivatives of the gauge source function for the generalized harmonic system. More...  
struct  SpacetimeDerivGaugeHCompute 
Compute item to get spacetime derivative of the gauge source function from its spatial and time derivatives. More...  
struct  SpacetimeDerivInitialGaugeH 
Initial spacetime derivatives of the gauge source function for the generalized harmonic system. More...  
struct  ThreeIndexConstraint 
Tags corresponding to various constraints of the generalized harmonic system, and their diagnostically useful combinations. More...  
struct  ThreeIndexConstraintCompute 
Compute item to get the threeindex constraint for the generalized harmonic evolution system. More...  
struct  TimeDerivLapseCompute 
Compute item to get time derivative of lapse ( \(\alpha\)) from the generalized harmonic variables, lapse, shift and the spacetime unit normal 1form. More...  
struct  TimeDerivShiftCompute 
Compute item to get time derivative of the shift vector from the generalized harmonic and geometric variables. More...  
struct  TimeDerivSpatialMetricCompute 
Compute item to get time derivative of the spatial metric from generalized harmonic and geometric variables. More...  
struct  TraceExtrinsicCurvatureCompute 
Compute item to get the trace of extrinsic curvature from generalized harmonic variables and the spacetime normal vector. More...  
struct  TwoIndexConstraint 
Tags corresponding to various constraints of the generalized harmonic system, and their diagnostically useful combinations. More...  
struct  TwoIndexConstraintCompute 
Compute item to get the twoindex constraint for the generalized harmonic evolution system. More...  
struct  VMinus 
struct  VPlus 
struct  VSpacetimeMetric 
Tags corresponding to the characteristic fields of the generalized harmonic system. More...  
struct  VZero 
Tags for the generalized harmonic formulation of Einstein equations.