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implement inflow BCs for the flame #2635

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implement inflow BCs for the flame #2635

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e2fa1a4
add inflow BCs to the flame problem
zingale Oct 14, 2023
a032ac2
fix compilation
zingale Oct 14, 2023
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45 changes: 45 additions & 0 deletions Exec/science/flame/problem_bc_fill.H
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Original file line number Diff line number Diff line change
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#ifndef problem_bc_fill_H
#define problem_bc_fill_H

#include <AMReX_REAL.H>

AMREX_GPU_HOST_DEVICE AMREX_INLINE
void problem_bc_fill(int i, int j, int k,
Array4<Real> const& state,
Real time,
Array1D<BCRec, 0, NUM_STATE-1> bcs,
GeometryData geomdata)
{

// implement an inflow BC at the right interface

const int* domlo = geomdata.Domain().loVect();
const int* domhi = geomdata.Domain().hiVect();

// Note: in these checks we're only looking at the boundary
// conditions on the first state component (density).

if (i > domhi[0] && (bcs(0).hi(0) == EXT_DIR)) {

state(i,j,k,URHO) = problem::rho_fuel;
state(i,j,k,UTEMP) = problem::T_fuel;
state(i,j,k,UEINT) = problem::rho_fuel * problem::e_fuel;
for (int n = 0; n < NumSpec; ++n) {
state(i,j,k,UFS+n) = problem::rho_fuel * problem::xn_fuel[n];
}

state(i,j,k,UMX) = problem::mass_flux;
state(i,j,k,UMY) = 0.0_rt;
state(i,j,k,UMZ) = 0.0_rt;

state(i,j,k,UEDEN) = state(i,j,k,UEINT) +
0.5_rt * (state(i,j,k,UMX) * state(i,j,k,UMX) +
state(i,j,k,UMY) * state(i,j,k,UMY) +
state(i,j,k,UMZ) * state(i,j,k,UMZ)) /
state(i,j,k,URHO);

}

}

#endif