SpECTRE  v2024.03.19
hydro::Tags Namespace Reference

Tag containing TildeD * SpecificInternalEnergy Useful as a diagnostics tool, as input to volume integral. More...

Classes

struct  AlfvenSpeedSquared
 The Alfvén speed squared \(v_A^2\). More...
 
struct  ComovingMagneticField
 The magnetic field \(b^\mu = u_\nu {}^\star\!F^{\mu \nu}\) measured by an observer comoving with the fluid with 4-velocity \(u_\nu\) where \({}^\star\!F^{\mu \nu}\) is the dual of the Faraday tensor. Note that \(b^\mu\) has a time component (that is, \(b^\mu n_\mu \neq 0\), where \(n_\mu\) is the normal to the spacelike hypersurface). More...
 
struct  ComovingMagneticFieldMagnitude
 The magnitude of the comoving magnetic field, \(\sqrt{b^\mu b_\mu}\). More...
 
struct  ComovingMagneticFieldSquared
 The square of the comoving magnetic field, \(b^\mu b_\mu\). More...
 
struct  DivergenceCleaningField
 The divergence-cleaning field \(\Phi\). More...
 
struct  ElectronFraction
 The electron fraction \(Y_e\). More...
 
struct  EquationOfState
 The equation of state retrieved from the analytic solution / data in the input file. More...
 
struct  EquationOfStateBase
 Base tag for the equation of state. More...
 
struct  EquationOfStateFromOptions
 The equation of state constructed from options in the input file. More...
 
struct  GrmhdEquationOfState
 The equation of state retrieved from the analytic solution / data in the input file. More...
 
struct  InversePlasmaBeta
 The inverse plasma beta \(\beta^{-1} = b^2 / (2 p)\), where // \(b^2\) is the square of the comoving magnetic field amplitude // and \(p\) is the fluid pressure. More...
 
struct  InversePlasmaBetaCompute
 Can be retrieved using hydro::Tags::InversePlasmaBeta More...
 
struct  LorentzFactor
 The Lorentz factor \(W = (1-v^iv_i)^{-1/2}\), where \(v^i\) is the spatial velocity of the fluid. More...
 
struct  LorentzFactorCompute
 Compute item for Lorentz factor \(W\). More...
 
struct  LorentzFactorSquared
 The square of the Lorentz factor \(W^2\). More...
 
struct  LorentzFactorTimesSpatialVelocity
 The Lorentz factor \(W\) times the spatial velocity \(v^i\). More...
 
struct  LowerSpatialFourVelocity
 The spatial components of the four-velocity one-form \(u_i\). More...
 
struct  LowerSpatialFourVelocityCompute
 Computes \(u_i=W \gamma_{ij} v^j\), where \(W\) is the Lorentz factor, \(\gamma_{ij}\) is the spatial metric, and \(v^j\) is the spatial velocity. More...
 
struct  MagneticField
 The magnetic field \(B^i = n_\mu {}^\star\!F^{i \mu}\) measured by an Eulerian observer, where \(n_\mu\) is the normal to the spatial hypersurface and \({}^\star\!F^{\mu \nu}\) is the dual of the Faraday tensor. Note that \(B^i\) is purely spatial, and it can be lowered using the spatial metric. More...
 
struct  MagneticFieldDotSpatialVelocity
 The magnetic field dotted into the spatial velocity, \(B^iv_i\) where \(v_i\) is the spatial velocity one-form. More...
 
struct  MagneticFieldOneForm
 The one-form of the magnetic field. Note that \(B^i\) is raised and lowered with the spatial metric. More...
 
struct  MagneticFieldSquared
 The square of the magnetic field, \(B^iB_i\). More...
 
struct  MagneticPressure
 The magnetic pressure \(p_m\). More...
 
struct  MassFlux
 The vector \(J^i\) in \(\dot{M} = -\int J^i s_i d^2S\), representing the mass flux through a surface with normal \(s_i\). More...
 
struct  MassFluxCompute
 Compute item for mass flux vector \(J^i\). More...
 
struct  MassWeightedCoords
 Contains TildeD * (coordinates in frame Fr). IntegralMask allows us to restrict the data to the x>0 or x<0 plane in grid coordinates (useful for NSNS). More...
 
struct  MassWeightedCoordsCompute
 Compute item for TildeD * (coordinates in frame Fr). IntegralMask allows us to restrict the data to the x>0 or x<0 plane in grid coordinates (useful for NSNS). More...
 
struct  MassWeightedInternalEnergy
 
struct  MassWeightedInternalEnergyCompute
 Compute item for mass-weighted internal energy. More...
 
struct  MassWeightedKineticEnergy
 Tag containing TildeD * (LorentzFactor - 1.0) Useful as a diagnostics tool, as input to volume integral. More...
 
struct  MassWeightedKineticEnergyCompute
 Compute item for mass-weighted internal energy. More...
 
struct  Pressure
 The fluid pressure \(p\). More...
 
struct  QuadrupoleMoment
 Tag containing the quadrupole moment. More...
 
struct  QuadrupoleMomentDerivative
 Tag containing the first time derivative of the quadrupole moment. More...
 
struct  RestMassDensity
 The rest-mass density \(\rho\). More...
 
struct  SoundSpeedSquared
 The sound speed squared \(c_s^2\). More...
 
struct  SoundSpeedSquaredCompute
 Compute item for the sound speed squared \(c_s^2\). More...
 
struct  SpatialVelocity
 The spatial velocity \(v^i\) of the fluid, where \(v^i=u^i/W + \beta^i/\alpha\). Here \(u^i\) is the spatial part of the 4-velocity of the fluid, \(W\) is the Lorentz factor, \(\beta^i\) is the shift vector, and \(\alpha\) is the lapse function. Note that \(v^i\) is raised and lowered with the spatial metric. More...
 
struct  SpatialVelocityOneForm
 The spatial velocity one-form \(v_i\), where \(v_i\) is raised and lowered with the spatial metric. More...
 
struct  SpatialVelocitySquared
 The spatial velocity squared \(v^2 = v_i v^i\). More...
 
struct  SpecificEnthalpy
 The relativistic specific enthalpy \(h\). More...
 
struct  SpecificEnthalpyCompute
 Compute item for the relativistic specific enthalpy \(h\). More...
 
struct  SpecificInternalEnergy
 The specific internal energy \(\epsilon\). More...
 
struct  Temperature
 The temperature \(T\) of the fluid. More...
 
struct  TildeDInHalfPlane
 Contains TildeD restricted to x>0 or x<0. This provides the normalization factor for integrals over the half plane weighted by tildeD. More...
 
struct  TildeDInHalfPlaneCompute
 Compute tag for TildeD limited to the x>0 or x<0 half plane. More...
 
struct  TildeDUnboundUtCriterion
 Contains TildeD restricted to regions marked as unbound, using the u_t < -1 criterion. More...
 
struct  TildeDUnboundUtCriterionCompute
 Compute item for TildeD limited to unbound material (u_t<-1 criteria) More...
 
struct  TransportVelocity
 Tag containing the transport velocity. More...
 
struct  TransportVelocityCompute
 Compute tag for the transport velocity. More...
 

Detailed Description

Tag containing TildeD * SpecificInternalEnergy Useful as a diagnostics tool, as input to volume integral.

Tags for hydrodynamic systems.