mirror of
https://github.com/cosmo-sims/monofonIC.git
synced 2024-09-19 17:03:45 +02:00
added pre-defined sets of cosmological parameters
This commit is contained in:
Oliver Hahn
parent
4ecc025ec7
commit
db5ce865a4
7 changed files with 229 additions and 59 deletions
25
example.conf
25
example.conf
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@ -30,18 +30,18 @@ ParticleLoad = sc # particle load, can be 'sc' (1x), 'bcc' (2x) or 'fcc
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[cosmology]
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## transfer = ... specifies the Einstein-Boltzmann plugin module
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# main cosmological parameters
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Omega_m = 0.3158
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Omega_b = 0.0494
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Omega_L = 0.6842
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H0 = 67.321
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n_s = 0.9661
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sigma_8 = 0.8102
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ParameterSet = Planck2018EE+BAO+SN # specify a pre-defined parameter set, or set to 'none' and set manually below
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ZeroRadiation = false # For Back-scaling only: set to true if your simulation code
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# cannot deal with Omega_r!=0 in its background FLRW model
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## Additional cosmological parameters (set by default to the given values)
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## cosmological parameters, to set, choose ParameterSet = none,
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## default values (those not specified) are set to the values
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## from 'Planck2018EE+BAO+SN', we currently assume flatness
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# Omega_m = 0.3158
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# Omega_b = 0.0494
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# Omega_L = 0.6842
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# H0 = 67.321
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# n_s = 0.9661
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# sigma_8 = 0.8102
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# A_s = 2.148752e-09 # can use A_s instead of sigma_8 when using CLASS
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# Tcmb = 2.7255
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# k_p = 0.05
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# N_ur = 2.046
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@ -51,6 +51,8 @@ ZeroRadiation = false # For Back-scaling only: set to true if your simulation
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# w_0 = -1.0 # not supported yet!
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# w_a = 0.0 # not supported yet!
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ZeroRadiation = false # For Back-scaling only: set to true if your simulation code
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# cannot deal with Omega_r!=0 in its background FLRW model
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## Use below for anisotropic large scale tidal field ICs up to 2LPT
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## see Stuecker+2020 (https://arxiv.org/abs/2003.06427)
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@ -78,7 +80,6 @@ ZeroRadiation = false # For Back-scaling only: set to true if your simulation
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transfer = CLASS
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ztarget = 2.5 # target redshift for CLASS module, output at ztarget will be back-scaled to zstart
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# A_s = 2.148752e-09 # can use A_s instead of sigma_8 when using CLASS
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#########################################################################################
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@ -21,15 +21,21 @@
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#include <physical_constants.hh>
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#include <config_file.hh>
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#include <general.hh>
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namespace cosmology
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{
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//! singleton structure for cosmological parameters
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//! structure for cosmological parameters
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class parameters
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{
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public:
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using defaultmmap_t = std::map<std::string,std::map<std::string,real_t>>;
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private:
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std::map<std::string, double> pmap_; //!< All parameters are stored here as key-value pairs
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static defaultmmap_t default_pmaps_; //!< Holds pre-defined parameter sets, see src/cosmology_parameters.cc
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public:
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//! get routine for cosmological parameter key-value pairs
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double get(const std::string &key) const
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@ -63,8 +69,8 @@ namespace cosmology
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//! shortcut get routine for cosmological parameter key-value pairs through bracket operator
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inline double operator[](const std::string &key) const { return this->get(key); }
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//! no default constructor
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parameters() = delete;
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//! default constructor does nothing
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parameters() {}
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//! default copy constructor
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parameters(const parameters &) = default;
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@ -72,44 +78,87 @@ namespace cosmology
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//! main constructor for explicit construction from input config file
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explicit parameters( config_file &cf )
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{
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// CMB
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pmap_["Tcmb"] = cf.get_value_safe<double>("cosmology", "Tcmb", 2.7255);
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pmap_["YHe"] = cf.get_value_safe<double>("cosmology", "YHe", 0.2454006);
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// H0
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pmap_["H0"] = cf.get_value<double>("cosmology", "H0");
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pmap_["h"] = cf.get_value<double>("cosmology", "H0") / 100.0;
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const double h = pmap_["h"];
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// primordial and normalisation
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if(!cf.contains_key("cosmology/n_s"))
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pmap_["n_s"] = cf.get_value<double>("cosmology", "nspec");
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else
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pmap_["n_s"] = cf.get_value<double>("cosmology", "n_s");
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pmap_["A_s"] = cf.get_value_safe<double>("cosmology", "A_s", -1.0);
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pmap_["k_p"] = cf.get_value_safe<double>("cosmology", "k_p", 0.05);
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pmap_["sigma_8"] = cf.get_value_safe<double>("cosmology", "sigma_8", -1.0);
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music::ilog << "-------------------------------------------------------------------------------" << std::endl;
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// baryon and non-relativistic matter content
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pmap_["Omega_b"] = cf.get_value<double>("cosmology", "Omega_b");
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pmap_["Omega_m"] = cf.get_value<double>("cosmology", "Omega_m");
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if( cf.get_value_safe<std::string>("cosmology","ParameterSet","none") == std::string("none"))
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{
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//-------------------------------------------------------------------------------
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// read parameters from config file
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//-------------------------------------------------------------------------------
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// massive neutrino species
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pmap_["m_nu1"] = cf.get_value_safe<double>("cosmology", "m_nu1", 0.06);
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pmap_["m_nu2"] = cf.get_value_safe<double>("cosmology", "m_nu2", 0.0);
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pmap_["m_nu3"] = cf.get_value_safe<double>("cosmology", "m_nu3", 0.0);
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auto defaultp = default_pmaps_.find("Planck2018EE+BAO+SN")->second;
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// CMB
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pmap_["Tcmb"] = cf.get_value_safe<double>("cosmology", "Tcmb", defaultp["Tcmb"]);
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pmap_["YHe"] = cf.get_value_safe<double>("cosmology", "YHe", defaultp["YHe"]);
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// H0
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pmap_["h"] = cf.get_value_safe<double>("cosmology", "H0", defaultp["h"]*100.0) / 100.0;
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// primordial and normalisation
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if(!cf.contains_key("cosmology/n_s"))
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pmap_["n_s"] = cf.get_value_safe<double>("cosmology", "nspec", defaultp["n_s"]);
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else
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pmap_["n_s"] = cf.get_value_safe<double>("cosmology", "n_s", defaultp["n_s"]);
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pmap_["A_s"] = cf.get_value_safe<double>("cosmology", "A_s", cf.contains_key("cosmology/sigma_8")? -1.0 : defaultp["A_s"]);
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pmap_["k_p"] = cf.get_value_safe<double>("cosmology", "k_p", defaultp["k_p"]);
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pmap_["sigma_8"] = cf.get_value_safe<double>("cosmology", "sigma_8", -1.0);
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// baryon and non-relativistic matter content
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pmap_["Omega_b"] = cf.get_value_safe<double>("cosmology", "Omega_b", defaultp["Omega_b"]);
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pmap_["Omega_m"] = cf.get_value_safe<double>("cosmology", "Omega_m", defaultp["Omega_m"]);
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// massive neutrino species
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pmap_["m_nu1"] = cf.get_value_safe<double>("cosmology", "m_nu1", defaultp["m_nu1"]);
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pmap_["m_nu2"] = cf.get_value_safe<double>("cosmology", "m_nu2", defaultp["m_nu2"]);
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pmap_["m_nu3"] = cf.get_value_safe<double>("cosmology", "m_nu3", defaultp["m_nu3"]);
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int N_nu_massive = int(this->get("m_nu1") > 1e-9) + int(this->get("m_nu2") > 1e-9) + int(this->get("m_nu3") > 1e-9);;
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// number ultrarelativistic neutrinos
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pmap_["N_ur"] = cf.get_value_safe<double>("cosmology", "N_ur", 3.046 - N_nu_massive);
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// dark energy
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pmap_["Omega_DE"] = cf.get_value_safe<double>("cosmology", "Omega_L", defaultp["Omega_DE"]);
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pmap_["w_0"] = cf.get_value_safe<double>("cosmology", "w_0", defaultp["w_0"]);
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pmap_["w_a"] = cf.get_value_safe<double>("cosmology", "w_a", defaultp["w_a"]);
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}else{
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//-------------------------------------------------------------------------------
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// load predefined parameter set
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//-------------------------------------------------------------------------------
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auto pset_name = cf.get_value<std::string>("cosmology","ParameterSet");
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auto it = default_pmaps_.find( pset_name );
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if( it == default_pmaps_.end() ){
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music::elog << "Unknown cosmology parameter set \'" << pset_name << "\'!" << std::endl;
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music::ilog << "Valid pre-defined sets are: " << std::endl;
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for( auto ii : default_pmaps_ ){
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music::ilog << " " << ii.first << std::endl;
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}
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throw std::runtime_error("Invalid value for cosmology/ParameterSet");
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}else{
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music::ilog << "Loading cosmological parameter set \'" << it->first << "\'..." << std::endl;
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}
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// copy pre-defined set in
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for( auto entry : it->second ){
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pmap_[entry.first] = entry.second;
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}
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}
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//-------------------------------------------------------------------------------
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// derived parameters
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//-------------------------------------------------------------------------------
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double h = this->get("h");
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pmap_["H0"] = 100.0 * h;
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// massive neutrinos
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pmap_["N_nu_massive"] = int(this->get("m_nu1") > 1e-9) + int(this->get("m_nu2") > 1e-9) + int(this->get("m_nu3") > 1e-9);
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const double sum_m_nu = this->get("m_nu1") + this->get("m_nu2") + this->get("m_nu3");
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// number ultrarelativistic neutrinos
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pmap_["N_ur"] = cf.get_value_safe<double>("cosmology", "N_ur", 3.046 - this->get("N_nu_massive"));
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pmap_["Omega_nu_massive"] = sum_m_nu / (93.14 * h * h); // Omega_nu_m = \sum_i m_i / (93.14 eV h^2)
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// compute amount of cold dark matter as the rest
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pmap_["Omega_c"] = this->get("Omega_m") - this->get("Omega_b") - this->get("Omega_nu_massive");
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// calculate energy density in ultrarelativistic species from Tcmb and Neff
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// photons
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pmap_["Omega_gamma"] = 4 * phys_const::sigma_SI / std::pow(phys_const::c_SI, 3) * std::pow(this->get("Tcmb"), 4.0)
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@ -119,10 +168,8 @@ namespace cosmology
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// total relativistic
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pmap_["Omega_r"] = this->get("Omega_gamma") + this->get("Omega_nu_massless");
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// dark energy
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pmap_["Omega_DE"] = cf.get_value<double>("cosmology", "Omega_L");
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pmap_["w_0"] = cf.get_value_safe<double>("cosmology", "w_0", -1.0);
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pmap_["w_a"] = cf.get_value_safe<double>("cosmology", "w_a", 0.0);
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// compute amount of cold dark matter as the rest
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pmap_["Omega_c"] = this->get("Omega_m") - this->get("Omega_b") - this->get("Omega_nu_massive");
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if (cf.get_value_safe<bool>("cosmology", "ZeroRadiation", false))
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{
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@ -147,7 +194,6 @@ namespace cosmology
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pmap_["sqrtpnorm"] = 0.0;
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pmap_["vfact"] = 0.0;
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music::ilog << "-------------------------------------------------------------------------------" << std::endl;
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music::ilog << "Cosmological parameters are: " << std::endl;
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music::ilog << " h = " << std::setw(16) << this->get("h");
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if( this->get("A_s") > 0.0 )
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@ -156,7 +202,7 @@ namespace cosmology
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music::ilog << "sigma_8 = " << std::setw(16) << this->get("sigma_8");
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music::ilog << "n_s = " << std::setw(16) << this->get("n_s") << std::endl;
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music::ilog << " Omega_c = " << std::setw(16) << this->get("Omega_c") << "Omega_b = " << std::setw(16) << this->get("Omega_b") << "Omega_m = " << std::setw(16) << this->get("Omega_m") << std::endl;
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music::ilog << " Omega_r = " << std::setw(16) << this->get("Omega_r") << "Omega_nu = " << std::setw(16) << this->get("Omega_nu_massive") << "∑m_nu = " << std::setw(11) << sum_m_nu << "eV" << std::endl;
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music::ilog << " Omega_r = " << std::setw(16) << this->get("Omega_r") << "Omega_nu = " << std::setw(16) << this->get("Omega_nu_massive") << "∑m_nu = " << sum_m_nu << "eV" << std::endl;
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music::ilog << " Omega_DE = " << std::setw(16) << this->get("Omega_DE") << "w_0 = " << std::setw(16) << this->get("w_0") << "w_a = " << std::setw(16) << this->get("w_a") << std::endl;
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//music::ilog << " Omega_k = " << 1.0 - this->get("Omega_m") - this->get("Omega_r") - this->get("Omega_DE") << std::endl;
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if (this->get("Omega_r") > 0.0)
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@ -165,5 +211,15 @@ namespace cosmology
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music::wlog << " Make sure your sim code supports this, otherwise set [cosmology] / ZeroRadiation=true." << std::endl;
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}
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}
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//! print the names of all pre-defined parameter sets
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void print_available_sets( void ) const
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{
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for( auto ii : default_pmaps_ ){
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music::ilog << "\t\'" << ii.first << "\'" << std::endl;
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}
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}
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};
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void print_ParameterSets( void );
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} // namespace cosmology
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@ -51,7 +51,7 @@ class lattice_gradient{
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private:
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const real_t boxlen_, aini_;
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const size_t ngmapto_, ngrid_, ngrid32_;
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const real_t mapratio_, XmL_;
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const real_t mapratio_;//, XmL_;
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Grid_FFT<real_t,false> D_xx_, D_xy_, D_xz_, D_yy_, D_yz_, D_zz_;
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Grid_FFT<real_t,false> grad_x_, grad_y_, grad_z_;
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std::vector<vec3_t<real_t>> vectk_;
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@ -522,7 +522,7 @@ public:
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aini_ ( 1.0/(1.0+the_config.get_value<double>("setup", "zstart")) ),
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ngmapto_( the_config.get_value<size_t>("setup", "GridRes") ),
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ngrid_( ngridself ), ngrid32_( std::pow(ngrid_, 1.5) ), mapratio_(real_t(ngrid_)/real_t(ngmapto_)),
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XmL_ ( the_config.get_value<double>("cosmology", "Omega_L") / the_config.get_value<double>("cosmology", "Omega_m") ),
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//XmL_ ( the_config.get_value<double>("cosmology", "Omega_L") / the_config.get_value<double>("cosmology", "Omega_m") ),
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D_xx_({ngrid_, ngrid_, ngrid_}, {1.0,1.0,1.0}), D_xy_({ngrid_, ngrid_, ngrid_}, {1.0,1.0,1.0}),
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D_xz_({ngrid_, ngrid_, ngrid_}, {1.0,1.0,1.0}), D_yy_({ngrid_, ngrid_, ngrid_}, {1.0,1.0,1.0}),
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D_yz_({ngrid_, ngrid_, ngrid_}, {1.0,1.0,1.0}), D_zz_({ngrid_, ngrid_, ngrid_}, {1.0,1.0,1.0}),
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111
src/cosmology_parameters.cc
Normal file
111
src/cosmology_parameters.cc
Normal file
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@ -0,0 +1,111 @@
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// This file is part of monofonIC (MUSIC2)
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// A software package to generate ICs for cosmological simulations
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// Copyright (C) 2020 by Oliver Hahn
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//
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// monofonIC is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// monofonIC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <cosmology_parameters.hh>
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namespace cosmology{
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//! we store here the preset cosmological paramters
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parameters::defaultmmap_t parameters::default_pmaps_
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{
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//=============================================================================
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// Planck 2018 baseline cosmologies
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// cf. https://wiki.cosmos.esa.int/planck-legacy-archive/images/b/be/Baseline_params_table_2018_68pc.pdf
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//=============================================================================
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// baseline 2.17 base_plikHM_TTTEEE_lowl_lowE_lensing
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{"Planck2018EE", {
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{"h", 0.67321},
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{"Omega_m", 0.3158},
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{"Omega_b", 0.04938898},
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{"Omega_DE", 0.6842},
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{"w_0", -1.0},
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{"w_a", 0.0},
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{"n_s", 0.96605},
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{"A_s", 2.1005e-9},
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{"k_p", 0.05},
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{"YHe", 0.245401},
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{"N_ur", 2.046},
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{"m_nu1", 0.06},
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{"m_nu2", 0.0},
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{"m_nu3", 0.0},
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{"Tcmb", 2.7255}}},
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// baseline 2.18 base_plikHM_TTTEEE_lowl_lowE_lensing_post_BAO
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{"Planck2018EE+BAO", {
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{"h", 0.67702},
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{"Omega_m", 0.3106},
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{"Omega_b", 0.04897284},
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{"Omega_DE", 0.6894},
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{"w_0", -1.0},
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{"w_a", 0.0},
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{"n_s", 0.96824},
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{"A_s", 2.1073e-9},
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{"k_p", 0.05},
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{"YHe", 0.245425},
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{"N_ur", 2.046},
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{"m_nu1", 0.06},
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{"m_nu2", 0.0},
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{"m_nu3", 0.0},
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{"Tcmb", 2.7255}}},
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// baseline 2.19 base_plikHM_TTTEEE_lowl_lowE_lensing_post_Pantheon
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{"Planck2018EE+SN", {
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{"h", 0.6749},
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{"Omega_m", 0.3134},
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{"Omega_b", 0.04919537},
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{"Omega_DE", 0.6866},
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{"w_0", -1.0},
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{"w_a", 0.0},
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{"n_s", 0.96654},
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{"A_s", 2.1020e-9},
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{"k_p", 0.05},
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{"YHe", 0.245411},
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{"N_ur", 2.046},
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{"m_nu1", 0.06},
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{"m_nu2", 0.0},
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{"m_nu3", 0.0},
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{"Tcmb", 2.7255}}},
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||||
|
||||
// baseline 2.20 base_plikHM_TTTEEE_lowl_lowE_lensing_post_BAO_Pantheon
|
||||
{"Planck2018EE+BAO+SN", {
|
||||
{"h", 0.67742},
|
||||
{"Omega_m", 0.3099},
|
||||
{"Omega_b", 0.048891054},
|
||||
{"Omega_DE", 0.6901},
|
||||
{"w_0", -1.0},
|
||||
{"w_a", 0.0},
|
||||
{"n_s", 0.96822},
|
||||
{"A_s", 2.1064e-9},
|
||||
{"k_p", 0.05},
|
||||
{"YHe", 0.245421},
|
||||
{"N_ur", 2.046},
|
||||
{"m_nu1", 0.06},
|
||||
{"m_nu2", 0.0},
|
||||
{"m_nu3", 0.0},
|
||||
{"Tcmb", 2.7255}}}
|
||||
};
|
||||
|
||||
|
||||
void print_ParameterSets( void ){
|
||||
music::ilog << "Available cosmology parameter sets:" << std::endl;
|
||||
cosmology::parameters p;
|
||||
p.print_available_sets();
|
||||
music::ilog << std::endl;
|
||||
}
|
||||
|
||||
}// end namespace cosmology
|
||||
|
|
@ -101,12 +101,12 @@ int run( config_file& the_config )
|
|||
// compute mass fractions
|
||||
std::map< cosmo_species, double > Omega;
|
||||
if( bDoBaryons ){
|
||||
double Om = the_config.get_value<double>("cosmology", "Omega_m");
|
||||
double Ob = the_config.get_value<double>("cosmology", "Omega_b");
|
||||
double Om = the_cosmo_calc->cosmo_param_["Omega_m"];
|
||||
double Ob = the_cosmo_calc->cosmo_param_["Omega_b"];
|
||||
Omega[cosmo_species::dm] = Om-Ob;
|
||||
Omega[cosmo_species::baryon] = Ob;
|
||||
}else{
|
||||
double Om = the_config.get_value<double>("cosmology", "Omega_m");
|
||||
double Om = the_cosmo_calc->cosmo_param_["Omega_m"];
|
||||
Omega[cosmo_species::dm] = Om;
|
||||
Omega[cosmo_species::baryon] = 0.0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -28,6 +28,7 @@
|
|||
|
||||
#include <general.hh>
|
||||
#include <ic_generator.hh>
|
||||
#include <cosmology_parameters.hh>
|
||||
#include <particle_plt.hh>
|
||||
|
||||
|
||||
|
|
@ -123,6 +124,7 @@ int main( int argc, char** argv )
|
|||
if (argc != 2)
|
||||
{
|
||||
// print_region_generator_plugins();
|
||||
cosmology::print_ParameterSets();
|
||||
print_TransferFunction_plugins();
|
||||
print_RNG_plugins();
|
||||
print_output_plugins();
|
||||
|
|
|
|||
|
|
@ -118,7 +118,7 @@ public:
|
|||
// initial gas temperature
|
||||
double Tcmb0 = pcc->cosmo_param_["Tcmb"];
|
||||
double Omegab = pcc->cosmo_param_["Omega_b"];
|
||||
double h = cf_.get_value<double>("cosmology", "H0") / 100.0, h2 = h*h;
|
||||
double h = pcc->cosmo_param_["h"], h2 = h*h;
|
||||
double adec = 1.0 / (160.0 * pow(Omegab * h2 / 0.022, 2.0 / 5.0));
|
||||
Tini_ = astart < adec ? Tcmb0 / astart : Tcmb0 / astart / astart * adec;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue