Tag containing the first time derivative of the quadrupole moment. More...

#include <QuadrupoleFormula.hpp>

Public Types
using	type = tnsr::ii< DataType, Dim, Fr >

Detailed Description

template<typename DataType, size_t Dim, typename Fr = Frame::Inertial>
struct hydro::Tags::QuadrupoleMomentDerivative< DataType, Dim, Fr >

Tag containing the first time derivative of the quadrupole moment.

For the first derivative of the quadrupole moment, we use \(\tilde{D} (v^i x^j + x^i v^j)\) (equation 23 of [164]), with \(\tilde{D}=\sqrt{\gamma}\rho W\), \(W\) being the Lorentz factor, \(\gamma\) being the determinant of the spatial metric, \(x\) the coordinates in Frame Fr, and \(v\) the corresponding spatial velocity.

The documentation for this struct was generated from the following file:

src/PointwiseFunctions/Hydro/QuadrupoleFormula.hpp

Public Types

Detailed Description