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fix the value of g in the inputs to match the initial_models value #2883

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Jun 24, 2024
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fix the value of g in the inputs to match the initial_models value #2883

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2 changes: 1 addition & 1 deletion Exec/science/subch_planar/inputs_2d
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ castro.pslope_cutoff_density = 1.e4
castro.react_rho_min = 100.0

gravity.gravity_type = ConstantGrav
gravity.const_grav = -1.466e9
gravity.const_grav = -1.1742e9

# TIME STEP CONTROL
castro.cfl = 0.7 # cfl number for hyperbolic system
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25 changes: 22 additions & 3 deletions Exec/science/subch_planar/problem_initialize.H
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Expand Up @@ -21,12 +21,31 @@ void problem_initialize ()
// Read initial model
read_model_file(problem::model_name);

if (ParallelDescriptor::IOProcessor()) {
for (int i = 0; i < model::npts; i++) {
std::cout << i << " " << model::profile(0).r(i) << " " << model::profile(0).state(i,model::idens) << std::endl;
Real max_hse_error = std::numeric_limits<Real>::lowest();

for (int i = 0; i < model::npts-2; ++i) {
Real dpdr = (model::profile(0).state(i+1, model::ipres) -
model::profile(0).state(i, model::ipres)) /
(model::profile(0).r(i+1) - model::profile(0).r(i));

Real rhog = 0.5_rt * (model::profile(0).state(i+1, model::idens) +
model::profile(0).state(i, model::idens)) * gravity::const_grav;

// we'll check that dpdr in the next zone up is also negative, to ensure we are
// not hitting the part where we stopped integrating HSE
Real p_check = model::profile(0).state(i+2, model::ipres) -
model::profile(0).state(i+1, model::ipres);

if (dpdr < 0 && p_check < 0) {
max_hse_error = amrex::max(std::abs(dpdr - rhog) / std::abs(dpdr),
max_hse_error);
}
}

amrex::Print() << Font::Bold << FGColor::Yellow
<< "HSE error in initial model = " << max_hse_error
<< ResetDisplay << std::endl;

// set the ambient state for the upper boundary condition

ambient::ambient_state[URHO] = model::profile(0).state(model::npts-1, model::idens);
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