Fast Methods for Cosmological Simulations
FastSim serves as a tool for quick N-body simulations in modified gravity.
App_Var_Chi_FF Class Reference

: class containing variables and methods for chameleon gravity More...

#include <chameleon.hpp>

Inheritance diagram for App_Var_Chi_FF:
Collaboration diagram for App_Var_Chi_FF:

Public Member Functions

 App_Var_Chi_FF (const Sim_Param &sim)
 
 ~App_Var_Chi_FF ()
 
- Public Member Functions inherited from App_Var_Chi
 App_Var_Chi (const Sim_Param &sim)
 
 ~App_Var_Chi ()
 
- Public Member Functions inherited from App_Var< Particle_v< double > >
 App_Var (const Sim_Param &sim, const std::string &app_short, const std::string &app_long)
 
virtual ~App_Var ()
 
void run_simulation ()
 
virtual void update_cosmo (Cosmo_Param &cosmo)
 no truncation by default More...
 
std::string get_out_dir () const
 

Private Member Functions

void upd_pos () override
 

Additional Inherited Members

- Protected Member Functions inherited from App_Var_Chi
 App_Var_Chi (const Sim_Param &sim, const std::string &app_short, const std::string &app_long)
 
- Protected Member Functions inherited from App_Var< Particle_v< double > >
double a ()
 
double a_half ()
 
double da ()
 
std::string get_z_suffix () const
 
virtual void pot_corr (std::vector< Mesh > &vel_field, Mesh &pot_k)
 
- Protected Attributes inherited from App_Var_Chi
const std::unique_ptr< ChiImplm_impl
 
- Protected Attributes inherited from App_Var< Particle_v< double > >
const Sim_Paramsim
 
uint64_t memory_alloc
 
std::vector< Meshapp_field
 
std::vector< Meshpower_aux
 
std::vector< Particle_v< double > > particles
 
Data_Vec< double, 2 > corr_func_binned
 
Data_Vec< double, 2 > pwr_spec_binned
 
Data_Vec< double, 2 > pwr_spec_binned_0
 
Data_Vec< double, 2 > vel_pwr_spec_binned_0
 
FFTW_PLAN_TYPE p_F
 
FFTW_PLAN_TYPE p_B
 
FFTW_PLAN_TYPE p_F_pwr
 
FFTW_PLAN_TYPE p_B_pwr
 
std::vector< size_t > dens_binned
 

Detailed Description

: class containing variables and methods for chameleon gravity

Definition at line 60 of file chameleon.hpp.

Constructor & Destructor Documentation

App_Var_Chi_FF::App_Var_Chi_FF ( const Sim_Param sim)

Definition at line 866 of file chameleon.cpp.

866  :
867  App_Var_Chi(sim, "CHI_FF", "Chameleon gravity (FF)") {}
App_Var_Chi(const Sim_Param &sim)
Definition: chameleon.cpp:836
App_Var_Chi_FF::~App_Var_Chi_FF ( )
default

Referenced by upd_pos().

Member Function Documentation

void App_Var_Chi_FF::upd_pos ( )
overrideprivatevirtual

Reimplemented from App_Var_Chi.

Definition at line 869 of file chameleon.cpp.

References App_Var< Particle_v< double > >::a_half(), App_Var< Particle_v< double > >::app_field, Sim_Param::box_opt, Sim_Param::cosmo, App_Var< Particle_v< double > >::da(), App_Var_Chi::m_impl, Box_Opt::mesh_num, App_Var< Particle_v< double > >::p_B, App_Var< Particle_v< double > >::p_F, App_Var< Particle_v< double > >::particles, App_Var< Particle_v< double > >::sim, stream_kick_stream(), and ~App_Var_Chi_FF().

870 {// Leapfrog method for chameleon gravity (frozen-flow)
871  auto kick_step = [&]()
872  {
873  m_impl->solve(a_half(), particles, sim, p_F, p_B);
874  m_impl->get_chi_force(p_F, p_B);
875  m_impl->kick_step_w_chi_no_momentum(sim.cosmo, a_half(), da(), particles, app_field);
876  };
878 }
void stream_kick_stream(const double da, std::vector< Particle_v< double >> &particles, std::function< void()> kick_step, size_t per)
Definition: integration.cpp:24
Box_Opt box_opt
Definition: params.hpp:202
const std::unique_ptr< ChiImpl > m_impl
Definition: chameleon.hpp:44
std::vector< Mesh > app_field
Definition: app_var.hpp:63
Cosmo_Param cosmo
Definition: params.hpp:206
std::vector< Particle_v< double > > particles
Definition: app_var.hpp:65
size_t mesh_num
Definition: params.hpp:58

The documentation for this class was generated from the following files: