SpECTRE  v2026.04.01
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hydro::Tags::LowerSpatialFourVelocityCompute Struct Reference

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...

#include <LowerSpatialFourVelocity.hpp>

Public Types

using base
using argument_tags
Public Types inherited from hydro::Tags::LowerSpatialFourVelocity< DataVector, 3, Frame::Inertial >
using type

Static Public Member Functions

static void function (const gsl::not_null< tnsr::i< DataVector, 3 > * > result, const tnsr::I< DataVector, 3 > &spatial_velocity, const tnsr::ii< DataVector, 3 > &spatial_metric, const Scalar< DataVector > &lorentz_factor)

Detailed Description

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.

Member Typedef Documentation

◆ argument_tags

using hydro::Tags::LowerSpatialFourVelocityCompute::argument_tags
Initial value:
tmpl::list<hydro::Tags::SpatialVelocity<DataVector, 3, Frame::Inertial>,
Definition Tags.hpp:25
The Lorentz factor , where is the spatial velocity of the fluid.
Definition Tags.hpp:181

◆ base


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