mirror of
https://github.com/cosmo-sims/monofonIC.git
synced 2024-09-19 17:03:45 +02:00
added distinct amplitudes for cdm and baryons
This commit is contained in:
Oliver Hahn
parent
cd7f451397
commit
1fc2b2d677
5 changed files with 139 additions and 101 deletions
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@ -5,8 +5,8 @@ project(monofonIC)
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# include class submodule
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include(${CMAKE_CURRENT_SOURCE_DIR}/external/class.cmake)
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#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0 -march=native -Wall -fno-omit-frame-pointer -g -fsanitize=address")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -march=native -Wall -pedantic")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -march=native -Wall -fno-omit-frame-pointer -g -fsanitize=address")
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#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -march=native -Wall -pedantic -g -fno-omit-frame-pointer")
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find_package(PkgConfig REQUIRED)
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set(CMAKE_MODULE_PATH
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18
example.conf
18
example.conf
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@ -4,15 +4,15 @@ GridRes = 128
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# length of the box in Mpc/h
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BoxLength = 250
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# starting redshift
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zstart = 49.0
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zstart = 129.0
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# order of the LPT to be used (1,2 or 3)
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LPTorder = 3
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# also do baryon ICs?
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DoBaryons = no
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DoBaryons = yes
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# do mode fixing à la Angulo&Pontzen
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DoFixing = no
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# particle load, can be 'sc' (1x), 'bcc' (2x) or 'fcc' (4x) (increases number of particles by factor!)
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ParticleLoad = sc
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ParticleLoad = bcc
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[cosmology]
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transfer = CLASS
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@ -42,15 +42,19 @@ seed = 9001
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test = none
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[execution]
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NumThreads = 4
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NumThreads = 16
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[output]
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fname_hdf5 = output_sch.hdf5
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fbase_analysis = output
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format = gadget2
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filename = ics_gadget.dat
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UseLongids = false
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#format = gadget2
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#filename = ics_gadget.dat
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#UseLongids = false
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#
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format = gadget_hdf5
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filename = ics_gadget.hdf5
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#format = generic
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#filename = debug.hdf5
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@ -81,23 +81,33 @@ public:
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// write power spectrum to a file
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std::ofstream ofs(fname.c_str());
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std::stringstream ss; ss << " (a=" << a <<")";
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std::stringstream ss; ss << " ,a=" << a <<"";
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ofs << "# " << std::setw(18) << "k [h/Mpc]"
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<< std::setw(20) << ("P_dtot(k)"+ss.str())
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<< std::setw(20) << ("P_dcdm(k)"+ss.str())
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<< std::setw(20) << ("P_dbar(k)"+ss.str())
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<< std::setw(20) << ("P_dtot(K) (a=1)")
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<< std::setw(20) << ("P_tcdm(k)"+ss.str())
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<< std::setw(20) << ("P_tbar(k)"+ss.str())
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<< std::setw(20) << ("P_dtot(k"+ss.str()+"|BS)")
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<< std::setw(20) << ("P_dcdm(k"+ss.str()+"|BS)")
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<< std::setw(20) << ("P_dbar(k"+ss.str()+"|BS)")
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<< std::setw(20) << ("P_tcdm(k"+ss.str()+"|BS)")
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<< std::setw(20) << ("P_tbar(k"+ss.str()+"|BS)")
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<< std::setw(20) << ("P_dtot(k"+ss.str()+")")
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<< std::setw(20) << ("P_dcdm(k"+ss.str()+")")
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<< std::setw(20) << ("P_dbar(k"+ss.str()+")")
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<< std::setw(20) << ("P_tcdm(k"+ss.str()+")")
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<< std::setw(20) << ("P_tbar(k"+ss.str()+")")
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<< std::setw(20) << ("P_dtot(K,a=1)")
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<< std::endl;
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for( double k=kmin; k<transfer_function_->get_kmax(); k*=1.05 ){
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ofs << std::setw(20) << std::setprecision(10) << k
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, total) * Dplus0, 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, cdm) * Dplus0, 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, baryon) * Dplus0, 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, total), 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, vcdm) * Dplus0, 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, vbaryon) * Dplus0, 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, total0), 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, cdm0), 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, baryon0), 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, vcdm0), 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, vbaryon0), 2.0)
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<< std::setw(20) << std::setprecision(10) << std::pow(this->GetAmplitude(k, total), 2.0)
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<< std::endl;
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}
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}
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@ -31,7 +31,7 @@ const std::vector<vec3<real_t>> second_lattice_shift =
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{
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/* SC : */ {0.5, 0.5, 0.5},
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/* BCC: */ {0.5, 0.5, 0.0},
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/* FCC: */ {0.5, 0.5, 0.5},
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/* FCC: */ {0.5, 0.0, 0.0},
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/* RSC: */ {0.25, 0.25, 0.25},
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};
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@ -182,6 +182,11 @@ int Run( ConfigFile& the_config )
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the_random_number_generator->Fill_Grid(wnoise);
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wnoise.FourierTransformForward();
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wnoise.apply_function_k( [&](auto wn){
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if (bDoFixing)
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wn = (std::abs(wn) != 0.0) ? wn / std::abs(wn) : wn;
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return wn / volfac;
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});
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//--------------------------------------------------------------------
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@ -221,12 +226,9 @@ int Run( ConfigFile& the_config )
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phi.FourierTransformForward(false);
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phi.assign_function_of_grids_kdep([&](auto k, auto wn) {
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real_t kmod = k.norm();
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if (bDoFixing)
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wn = (std::abs(wn) != 0.0) ? wn / std::abs(wn) : wn;
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ccomplex_t delta = wn * the_cosmo_calc->GetAmplitude(kmod, total);
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return -delta / (kmod * kmod) / volfac;
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},
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wnoise);
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return -delta / (kmod * kmod);
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}, wnoise);
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phi.zero_DC_mode();
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@ -492,9 +494,20 @@ int Run( ConfigFile& the_config )
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// divide by Lbox, because displacement is in box units for output plugin
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tmp.kelem(idx) = lunit / boxlen * ( lg.gradient(idim,tmp.get_k3(i,j,k)) * phitot
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+ lg.gradient(idimp,tmp.get_k3(i,j,k)) * A3[idimpp]->kelem(idx) - lg.gradient(idimpp,tmp.get_k3(i,j,k)) * A3[idimp]->kelem(idx) );
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if( bDoBaryons ){
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vec3<real_t> kvec = phi.get_k<real_t>(i,j,k);
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real_t k2 = kvec.norm_squared(), kmod = std::sqrt(k2);
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double ampldiff = ((this_species == cosmo_species::dm)? the_cosmo_calc->GetAmplitude(kmod, cdm0) :
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(this_species == cosmo_species::baryon)? the_cosmo_calc->GetAmplitude(kmod, baryon0) :
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the_cosmo_calc->GetAmplitude(kmod, total)*g1) - the_cosmo_calc->GetAmplitude(kmod, total)*g1;
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tmp.kelem(idx) += lg.gradient(idim, tmp.get_k3(i,j,k)) * wnoise.kelem(idx) * lunit * ampldiff / k2 / boxlen;
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}
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}
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}
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}
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tmp.zero_DC_mode();
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tmp.FourierTransformBackward();
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// if we write particle data, store particle data in particle structure
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@ -530,9 +543,19 @@ int Run( ConfigFile& the_config )
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tmp.kelem(idx) = vunit / boxlen * ( lg.gradient(idim,tmp.get_k3(i,j,k)) * phitot_v
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+ vfac3 * (lg.gradient(idimp,tmp.get_k3(i,j,k)) * A3[idimpp]->kelem(idx) - lg.gradient(idimpp,tmp.get_k3(i,j,k)) * A3[idimp]->kelem(idx)) );
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if( bDoBaryons ){
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vec3<real_t> kvec = phi.get_k<real_t>(i,j,k);
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real_t k2 = kvec.norm_squared(), kmod = std::sqrt(k2);
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double ampldiff = ((this_species == cosmo_species::dm)? -the_cosmo_calc->GetAmplitude(kmod, vcdm0) :
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(this_species == cosmo_species::baryon)? -the_cosmo_calc->GetAmplitude(kmod, vbaryon0) :
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the_cosmo_calc->GetAmplitude(kmod, total)*g1) - the_cosmo_calc->GetAmplitude(kmod, total)*g1;
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tmp.kelem(idx) += lg.gradient(idim, tmp.get_k3(i,j,k)) * wnoise.kelem(idx) * vfac1 * vunit / boxlen * ampldiff / k2 ;
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}
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// correct velocity with PLT mode growth rate
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tmp.kelem(idx) *= lg.vfac_corr(tmp.get_k3(i,j,k));
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if( bAddExternalTides ){
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// modify velocities with anisotropic expansion factor**2
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tmp.kelem(idx) *= std::pow(lss_aniso_alpha[idim],2.0);
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@ -544,6 +567,7 @@ int Run( ConfigFile& the_config )
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}
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}
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}
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tmp.zero_DC_mode();
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tmp.FourierTransformBackward();
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// if we write particle data, store particle data in particle structure
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