SpECTRE
v2024.04.12
|
Compute item to get time derivative of lapse ( \(\alpha\)) from the generalized harmonic variables, lapse, shift and the spacetime unit normal 1-form. More...
#include <TimeDerivOfLapse.hpp>
Public Types | |
using | argument_tags = tmpl::list< gr::Tags::Lapse< DataVector >, gr::Tags::Shift< DataVector, SpatialDim, Frame >, gr::Tags::SpacetimeNormalVector< DataVector, SpatialDim, Frame >, Phi< DataVector, SpatialDim, Frame >, Pi< DataVector, SpatialDim, Frame > > |
using | return_type = Scalar< DataVector > |
using | base = ::Tags::dt< gr::Tags::Lapse< DataVector > > |
Public Types inherited from Tags::dt< gr::Tags::Lapse< DataVector > > | |
using | type = typename Tag::type |
using | tag = gr::Tags::Lapse< DataVector > |
Static Public Attributes | |
static constexpr auto | function |
Compute item to get time derivative of lapse ( \(\alpha\)) from the generalized harmonic variables, lapse, shift and the spacetime unit normal 1-form.
See time_deriv_of_lapse()
. Can be retrieved using gr::Tags::Lapse
wrapped in Tags::dt
.
|
staticconstexpr |