SpECTRE  v2026.04.01
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Cce::Actions::InitializeFirstHypersurface< EvolveCcm, BoundaryComponent > Struct Template Reference

Given initial boundary data for \(J\) and \(\partial_r J\), computes the initial hypersurface quantities \(J\) and gauge values. More...

#include <InitializeFirstHypersurface.hpp>

Public Types

using const_global_cache_tags

Static Public Member Functions

template<typename DbTags, typename... InboxTags, typename Metavariables, typename ArrayIndex, typename ActionList, typename ParallelComponent>
static Parallel::iterable_action_return_t apply (db::DataBox< DbTags > &box, const tuples::TaggedTuple< InboxTags... > &, Parallel::GlobalCache< Metavariables > &cache, const ArrayIndex &, const ActionList, const ParallelComponent *const)

Detailed Description

template<bool EvolveCcm, typename BoundaryComponent>
struct Cce::Actions::InitializeFirstHypersurface< EvolveCcm, BoundaryComponent >

Given initial boundary data for \(J\) and \(\partial_r J\), computes the initial hypersurface quantities \(J\) and gauge values.

Details

This action is to be called after boundary data has been received, but before the time-stepping evolution loop. So, it should be either late in an initialization phase or early (before a Actions::Goto loop or similar) in the Evolve phase.

Internally, this dispatches to the call function of Tags::InitializeJ, which designates a hypersurface initial data generator chosen by input file options, InitializeGauge, and InitializeScriPlusValue<Tags::InertialRetardedTime> to perform the computations. Refer to the documentation for those mutators for mathematical details.

Member Typedef Documentation

◆ const_global_cache_tags

template<bool EvolveCcm, typename BoundaryComponent>
using Cce::Actions::InitializeFirstHypersurface< EvolveCcm, BoundaryComponent >::const_global_cache_tags
Initial value:
tmpl::list<Tags::LMax, Tags::NumberOfRadialPoints>

The documentation for this struct was generated from the following file:
  • src/Evolution/Systems/Cce/Actions/InitializeFirstHypersurface.hpp