SpECTRE  v2026.04.01
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Xcts::BoundaryConditions::ApparentHorizon< ConformalGeometry >::Lapse Struct Reference

Public Types

using type

Static Public Attributes

static constexpr Options::String help

Member Typedef Documentation

◆ type

template<Xcts::Geometry ConformalGeometry>
using Xcts::BoundaryConditions::ApparentHorizon< ConformalGeometry >::Lapse::type
Initial value:
A class indicating that a parsed value can be automatically computed instead of specified.
Definition Auto.hpp:44

Member Data Documentation

◆ help

template<Xcts::Geometry ConformalGeometry>
Options::String Xcts::BoundaryConditions::ApparentHorizon< ConformalGeometry >::Lapse::help
staticconstexpr
Initial value:
=
"Specify an analytic solution or a superposed binary to impose a "
"Dirichlet condition on the lapse. The analytic solution will be "
"evaluated at coordinates centered at the apparent horizon. "
"Alternatively, set this option to 'None' "
"to impose a zero von-Neumann boundary condition on the lapse. Note "
"that the latter will not result in the standard Kerr-Schild slicing "
"for a single black hole."

The documentation for this struct was generated from the following file:
  • src/Elliptic/Systems/Xcts/BoundaryConditions/ApparentHorizon.hpp