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Added 3 flavor functionality for the sample_inputs test simulations #56

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Mar 19, 2021
Merged

Added 3 flavor functionality for the sample_inputs test simulations #56

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7be9b4d
Merge pull request #3 from AMReX-Astro/development
nmford20 Mar 19, 2021
87e60ea
added 3 flavor functionality to sample_inputs test simulations. Note:…
nmford20 Mar 19, 2021
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61 changes: 57 additions & 4 deletions Source/FlavoredNeutrinoContainerInit.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -248,7 +248,7 @@ InitParticles(const TestParams* parms)
// set all particles to start in electron state (and anti-state)
// Set N to be small enough that self-interaction is not important
// Set all particle momenta to be such that one oscillation wavelength is 1cm
AMREX_ASSERT(NUM_FLAVORS==2);
AMREX_ASSERT(NUM_FLAVORS==3 or NUM_FLAVORS==2);

// Set particle flavor
p.rdata(PIdx::N) = 1.0;
Expand All @@ -262,6 +262,19 @@ InitParticles(const TestParams* parms)
p.rdata(PIdx::f01_Imbar) = 0.0;
p.rdata(PIdx::f11_Rebar) = 0.0;

#if (NUM_FLAVORS==3)
p.rdata(PIdx::f22_Re) = 0.0;
p.rdata(PIdx::f22_Rebar) = 0.0;
p.rdata(PIdx::f02_Re) = 0.0;
p.rdata(PIdx::f02_Im) = 0.0;
p.rdata(PIdx::f12_Re) = 0.0;
p.rdata(PIdx::f12_Im) = 0.0;
p.rdata(PIdx::f02_Rebar) = 0.0;
p.rdata(PIdx::f02_Imbar) = 0.0;
p.rdata(PIdx::f12_Rebar) = 0.0;
p.rdata(PIdx::f12_Imbar) = 0.0;
#endif

// set momentum so that a vacuum oscillation wavelength occurs over a distance of 1cm
// Set particle velocity to c in a random direction
Real dm2 = (parms->mass2-parms->mass1)*(parms->mass2-parms->mass1); //g^2
Expand All @@ -275,7 +288,7 @@ InitParticles(const TestParams* parms)
// BIPOLAR OSCILLATION TEST //
//==========================//
else if(parms->simulation_type==1){
AMREX_ASSERT(NUM_FLAVORS==2);
AMREX_ASSERT(NUM_FLAVORS==3 or NUM_FLAVORS==2);

// Set particle flavor
p.rdata(PIdx::f00_Re) = 1.0;
Expand All @@ -287,6 +300,19 @@ InitParticles(const TestParams* parms)
p.rdata(PIdx::f01_Imbar) = 0.0;
p.rdata(PIdx::f11_Rebar) = 0.0;

#if (NUM_FLAVORS==3)
p.rdata(PIdx::f22_Re) = 0.0;
p.rdata(PIdx::f22_Rebar) = 0.0;
p.rdata(PIdx::f02_Re) = 0.0;
p.rdata(PIdx::f02_Im) = 0.0;
p.rdata(PIdx::f12_Re) = 0.0;
p.rdata(PIdx::f12_Im) = 0.0;
p.rdata(PIdx::f02_Rebar) = 0.0;
p.rdata(PIdx::f02_Imbar) = 0.0;
p.rdata(PIdx::f12_Rebar) = 0.0;
p.rdata(PIdx::f12_Imbar) = 0.0;
#endif

// set energy to 50 MeV to match Richers+(2019)
p.rdata(PIdx::pupt) = 50. * 1e6*CGSUnitsConst::eV;
p.rdata(PIdx::pupx) = u[0] * p.rdata(PIdx::pupt);
Expand All @@ -307,7 +333,7 @@ InitParticles(const TestParams* parms)
// 2-BEAM FAST FLAVOR TEST//
//========================//
else if(parms->simulation_type==2){
AMREX_ASSERT(NUM_FLAVORS==2);
AMREX_ASSERT(NUM_FLAVORS==3 or NUM_FLAVORS==2);

// Set particle flavor
p.rdata(PIdx::f00_Re) = 1.0;
Expand All @@ -319,6 +345,19 @@ InitParticles(const TestParams* parms)
p.rdata(PIdx::f01_Imbar) = 0.0;
p.rdata(PIdx::f11_Rebar) = 0.0;

#if (NUM_FLAVORS==3)
p.rdata(PIdx::f22_Re) = 0.0;
p.rdata(PIdx::f22_Rebar) = 0.0;
p.rdata(PIdx::f02_Re) = 0.0;
p.rdata(PIdx::f02_Im) = 0.0;
p.rdata(PIdx::f12_Re) = 0.0;
p.rdata(PIdx::f12_Im) = 0.0;
p.rdata(PIdx::f02_Rebar) = 0.0;
p.rdata(PIdx::f02_Imbar) = 0.0;
p.rdata(PIdx::f12_Rebar) = 0.0;
p.rdata(PIdx::f12_Imbar) = 0.0;
#endif

// set energy to 50 MeV to match Richers+(2019)
p.rdata(PIdx::pupt) = 50. * 1e6*CGSUnitsConst::eV;
p.rdata(PIdx::pupx) = u[0] * p.rdata(PIdx::pupt);
Expand All @@ -340,7 +379,7 @@ InitParticles(const TestParams* parms)
// 3- k!=0 BEAM FAST FLAVOR TEST //
//===============================//
else if(parms->simulation_type==3){
AMREX_ASSERT(NUM_FLAVORS==2);
AMREX_ASSERT(NUM_FLAVORS==3 or NUM_FLAVORS==2);

// perturbation parameters
Real lambda = domain_length_z/(Real)parms->st3_wavelength_fraction_of_domain;
Expand All @@ -356,6 +395,20 @@ InitParticles(const TestParams* parms)
p.rdata(PIdx::f01_Imbar) = 0.0;
p.rdata(PIdx::f11_Rebar) = 0.0;

#if (NUM_FLAVORS==3)
//just perturbing the electron-muon flavor state, other terms can stay = 0.0 for simplicity
p.rdata(PIdx::f22_Re) = 0.0;
p.rdata(PIdx::f22_Rebar) = 0.0;
p.rdata(PIdx::f02_Re) = 0.0;
p.rdata(PIdx::f02_Im) = 0.0;
p.rdata(PIdx::f12_Re) = 0.0;
p.rdata(PIdx::f12_Im) = 0.0;
p.rdata(PIdx::f02_Rebar) = 0.0;
p.rdata(PIdx::f02_Imbar) = 0.0;
p.rdata(PIdx::f12_Rebar) = 0.0;
p.rdata(PIdx::f12_Imbar) = 0.0;
#endif

// set energy to 50 MeV to match Richers+(2019)
p.rdata(PIdx::pupt) = 50. * 1e6*CGSUnitsConst::eV;
p.rdata(PIdx::pupx) = u[0] * p.rdata(PIdx::pupt);
Expand Down
3 changes: 2 additions & 1 deletion sample_inputs/inputs_bipolar_test
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,8 @@ mass1_eV = -0.008596511
mass2_eV = 0

# mass state 3 mass in eV [NO:sqrt(2.449e-3) IO:-sqrt(2.509e-3)]
mass3_eV = 0.049487372
#mass3_eV = 0.049487372
mass3_eV = 0

# 1-2 mixing angle in degrees [NO/IO:33.82]
theta12_degrees = 33.82
Expand Down
3 changes: 2 additions & 1 deletion sample_inputs/inputs_fast_flavor
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,8 @@ mass1_eV = -0.008596511
mass2_eV = 0

# mass state 3 mass in eV [NO:sqrt(2.449e-3) IO:-sqrt(2.509e-3)]
mass3_eV = 0.049487372
#mass3_eV = 0.049487372
mass3_eV = 0

# 1-2 mixing angle in degrees [NO/IO:33.82]
theta12_degrees = 1e-6
Expand Down
3 changes: 2 additions & 1 deletion sample_inputs/inputs_msw_test
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,8 @@ mass1_eV = -0.008596511
mass2_eV = 0

# mass state 3 mass in eV [NO:sqrt(2.449e-3) IO:-sqrt(2.509e-3)]
mass3_eV = 0.049487372
# mass3_eV = 0.049487372
mass3_eV = 0

# 1-2 mixing angle in degrees [NO/IO:33.82]
theta12_degrees = 33.82
Expand Down