a new, slightly larger Urca net

networks/ignition_reaclib/URCA-medium/Make.package

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+CEXE_headers += network_properties.H
+
+ifeq ($(USE_REACT),TRUE)
+  CEXE_sources += actual_network_data.cpp
+  CEXE_headers += actual_network.H
+  CEXE_headers += tfactors.H
+  CEXE_headers += partition_functions.H
+  CEXE_headers += actual_rhs.H
+  CEXE_headers += reaclib_rates.H
+  CEXE_headers += table_rates.H
+  CEXE_sources += table_rates_data.cpp
+  USE_SCREENING = TRUE
+  USE_NEUTRINOS = TRUE
+endif

networks/ignition_reaclib/URCA-medium/_parameters

@@ -0,0 +1,2 @@
+@namespace: network
+

networks/ignition_reaclib/URCA-medium/actual_network.H

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+#ifndef actual_network_H
+#define actual_network_H
+
+#include <AMReX_REAL.H>
+#include <AMReX_Array.H>
+
+#include <fundamental_constants.H>
+#include <network_properties.H>
+
+using namespace amrex;
+
+void actual_network_init();
+
+const std::string network_name = "pynucastro-cxx";
+
+namespace network
+{
+    extern AMREX_GPU_MANAGED amrex::Array1D<amrex::Real, 1, NumSpec> bion;
+    extern AMREX_GPU_MANAGED amrex::Array1D<amrex::Real, 1, NumSpec> mion;
+}
+
+namespace Rates
+{
+
+    enum NetworkRates
+    {
+        k_p_C12_to_N13 = 1,
+        k_He4_C12_to_O16 = 2,
+        k_He4_O16_to_Ne20 = 3,
+        k_He4_Ne20_to_Mg24 = 4,
+        k_p_Na23_to_Mg24 = 5,
+        k_n_Mg23_to_Mg24 = 6,
+        k_C12_C12_to_n_Mg23 = 7,
+        k_C12_C12_to_p_Na23 = 8,
+        k_C12_C12_to_He4_Ne20 = 9,
+        k_He4_N13_to_p_O16 = 10,
+        k_C12_O16_to_He4_Mg24 = 11,
+        k_He4_Ne20_to_p_Na23 = 12,
+        k_p_Na23_to_He4_Ne20 = 13,
+        k_n_Mg23_to_p_Na23 = 14,
+        k_n_Mg23_to_He4_Ne20 = 15,
+        k_n_Mg23_to_C12_C12 = 16,
+        k_He4_He4_He4_to_C12 = 17,
+        k_Na23_to_Ne23 = 18,
+        k_Ne23_to_Na23 = 19,
+        k_Mg23_to_Na23 = 20,
+        k_n_to_p = 21,
+        k_p_to_n = 22,
+        NumRates = k_p_to_n
+    };
+
+    // number of reaclib rates
+
+    const int NrateReaclib = 17;
+
+    // number of tabular rates
+
+    const int NrateTabular = 5;
+
+    // rate names -- note: the rates are 1-based, not zero-based, so we pad
+    // this vector with rate_names[0] = "" so the indices line up with the
+    // NetworkRates enum
+
+    static const std::vector<std::string> rate_names = {
+        "",   // 0
+        "p_C12_to_N13",  // 1,
+        "He4_C12_to_O16",  // 2,
+        "He4_O16_to_Ne20",  // 3,
+        "He4_Ne20_to_Mg24",  // 4,
+        "p_Na23_to_Mg24",  // 5,
+        "n_Mg23_to_Mg24",  // 6,
+        "C12_C12_to_n_Mg23",  // 7,
+        "C12_C12_to_p_Na23",  // 8,
+        "C12_C12_to_He4_Ne20",  // 9,
+        "He4_N13_to_p_O16",  // 10,
+        "C12_O16_to_He4_Mg24",  // 11,
+        "He4_Ne20_to_p_Na23",  // 12,
+        "p_Na23_to_He4_Ne20",  // 13,
+        "n_Mg23_to_p_Na23",  // 14,
+        "n_Mg23_to_He4_Ne20",  // 15,
+        "n_Mg23_to_C12_C12",  // 16,
+        "He4_He4_He4_to_C12",  // 17,
+        "Na23_to_Ne23",  // 18,
+        "Ne23_to_Na23",  // 19,
+        "Mg23_to_Na23",  // 20,
+        "n_to_p",  // 21,
+        "p_to_n"  // 22,
+    };
+
+}
+
+#ifdef NSE_NET
+namespace NSE_INDEX
+{
+    constexpr int H1_index = 1;
+    constexpr int N_index = 0;
+    constexpr int He4_index = 2;
+
+    // Each row corresponds to the rate in NetworkRates enum
+    // First 3 row indices for reactants, followed by 3 product indices
+    // last index is the corresponding reverse rate index.
+
+    extern AMREX_GPU_MANAGED amrex::Array2D<int, 1, Rates::NumRates, 1, 7, Order::C> rate_indices;
+}
+#endif
+
+#endif

networks/ignition_reaclib/URCA-medium/actual_network_data.cpp

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+#include <actual_network.H>
+
+
+namespace network
+{
+    AMREX_GPU_MANAGED amrex::Array1D<amrex::Real, 1, NumSpec> bion;
+    AMREX_GPU_MANAGED amrex::Array1D<amrex::Real, 1, NumSpec> mion;
+}
+
+#ifdef NSE_NET
+namespace NSE_INDEX
+{
+    AMREX_GPU_MANAGED amrex::Array2D<int, 1, Rates::NumRates, 1, 7, Order::C> rate_indices {
+        -1, 1, 3, -1, -1, 4, -1,
+        -1, 2, 3, -1, -1, 5, -1,
+        -1, 2, 5, -1, -1, 6, -1,
+        -1, 2, 6, -1, -1, 10, -1,
+        -1, 1, 8, -1, -1, 10, -1,
+        -1, 0, 9, -1, -1, 10, -1,
+        -1, 3, 3, -1, 0, 9, -1,
+        -1, 3, 3, -1, 1, 8, -1,
+        -1, 3, 3, -1, 2, 6, -1,
+        -1, 2, 4, -1, 1, 5, -1,
+        -1, 3, 5, -1, 2, 10, -1,
+        -1, 2, 6, -1, 1, 8, -1,
+        -1, 1, 8, -1, 2, 6, 12,
+        -1, 0, 9, -1, 1, 8, -1,
+        -1, 0, 9, -1, 2, 6, -1,
+        -1, 0, 9, -1, 3, 3, 7,
+        2, 2, 2, -1, -1, 3, -1,
+        -1, -1, 8, -1, -1, 7, -1,
+        -1, -1, 7, -1, -1, 8, 18,
+        -1, -1, 9, -1, -1, 8, -1,
+        -1, -1, 0, -1, -1, 1, -1,
+        -1, -1, 1, -1, -1, 0, -1
+    };
+}
+#endif
+
+void actual_network_init()
+{
+    using namespace Species;
+    using namespace network;
+
+    // binding energies per nucleon in MeV
+    amrex::Array1D<amrex::Real, 1, NumSpec> ebind_per_nucleon;
+
+    ebind_per_nucleon(N) = 0.0_rt;
+    ebind_per_nucleon(H1) = 0.0_rt;
+    ebind_per_nucleon(He4) = 7.073915_rt;
+    ebind_per_nucleon(C12) = 7.680144_rt;
+    ebind_per_nucleon(N13) = 7.238863_rt;
+    ebind_per_nucleon(O16) = 7.976206_rt;
+    ebind_per_nucleon(Ne20) = 8.03224_rt;
+    ebind_per_nucleon(Ne23) = 7.955256_rt;
+    ebind_per_nucleon(Na23) = 8.111493000000001_rt;
+    ebind_per_nucleon(Mg23) = 7.901115_rt;
+    ebind_per_nucleon(Mg24) = 8.260709_rt;
+
+    // convert to binding energies per nucleus in MeV
+    for (int i = 1; i <= NumSpec; ++i) {
+        bion(i) = ebind_per_nucleon(i) * aion[i-1];
+    }
+
+    // Set the mass -- this will be in grams
+    for (int i = 1; i <= NumSpec; ++i) {
+        mion(i) = (aion[i-1] - zion[i-1]) * C::Legacy::m_n + zion[i-1] * (C::Legacy::m_p + C::Legacy::m_e) - bion(i) * C::Legacy::MeV2gr;
+    }
+
+}