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Add a stiffer scalar advection version, convecting a Gaussian in a pe… #50

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Feb 8, 2022
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Add a stiffer scalar advection version, convecting a Gaussian in a pe… #50

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65 changes: 65 additions & 0 deletions Exec/RegTests/PeriodicCases/input.2d_CoTanHSAMR
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@@ -0,0 +1,65 @@
#----------------------DOMAIN DEFINITION------------------------
geometry.is_periodic = 1 1 # For each dir, 0: non-perio, 1: periodic
geometry.coord_sys = 0 # 0 => cart, 1 => RZ
geometry.prob_lo = 0.0 0.0 0.0 # x_lo y_lo (z_lo)
geometry.prob_hi = 1.0 1.0 1.0 # x_hi y_hi (z_hi)

# >>>>>>>>>>>>> BC FLAGS <<<<<<<<<<<<<<<<
# Interior, Inflow, Outflow, Symmetry,
# SlipWallAdiab, NoSlipWallAdiab, SlipWallIsotherm, NoSlipWallIsotherm
peleLM.lo_bc = Interior Interior
peleLM.hi_bc = Interior Interior


#-------------------------AMR CONTROL----------------------------
amr.n_cell = 64 64 64 # Level 0 number of cells in each direction
amr.v = 1 # AMR verbose
amr.max_level = 1 # maximum level number allowed
amr.ref_ratio = 2 2 2 2 # refinement ratio
amr.regrid_int = 2 # how often to regrid
amr.n_error_buf = 2 2 2 2 # number of buffer cells in error est
amr.grid_eff = 0.7 # what constitutes an efficient grid
amr.blocking_factor = 16 # block factor in grid generation (min box size)
amr.max_grid_size = 64 # max box size


#--------------------------- Problem -------------------------------
prob.T_mean = 298.0
prob.P_mean = 101325.0
prob.type = ConvectedTanH
prob.meanFlowMag = 50.0
prob.meanFlowDir = 1
prob.tanh_rad = 0.2
prob.tanh_x0 = 0.5
prob.tanh_y0 = 0.5
prob.tanh_ampl = 0.1
prob.tanh_type = Spec

#------------ INPUTS TO CONSTANT TRANSPORT -----------------
transport.const_viscosity = 0.0
transport.const_bulk_viscosity = 0.0
transport.const_conductivity = 0.0
transport.const_diffusivity = 0.0

#-------------------------PeleLM CONTROL----------------------------
peleLM.v = 1
peleLM.incompressible = 0
peleLM.rho = 1.17
peleLM.mu = 0.0

amr.plot_int = 10000
amr.max_step = 50000
amr.dt_shrink = 0.1
amr.stop_time = 0.02
amr.cfl = 0.5
amr.derive_plot_vars = avg_pressure

#--------------------REFINEMENT CONTROL------------------------
amr.refinement_indicators = yo2
amr.yo2.max_level = 1
amr.yo2.value_greater = 0.24
amr.yo2.field_name = Y(O2)

amrex.fpe_trap_invalid = 1
amrex.fpe_trap_zero = 1
amrex.fpe_trap_overflow = 1
64 changes: 64 additions & 0 deletions Exec/RegTests/PeriodicCases/input.2d_CoTanHTAMR
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#----------------------DOMAIN DEFINITION------------------------
geometry.is_periodic = 1 1 # For each dir, 0: non-perio, 1: periodic
geometry.coord_sys = 0 # 0 => cart, 1 => RZ
geometry.prob_lo = 0.0 0.0 0.0 # x_lo y_lo (z_lo)
geometry.prob_hi = 1.0 1.0 1.0 # x_hi y_hi (z_hi)

# >>>>>>>>>>>>> BC FLAGS <<<<<<<<<<<<<<<<
# Interior, Inflow, Outflow, Symmetry,
# SlipWallAdiab, NoSlipWallAdiab, SlipWallIsotherm, NoSlipWallIsotherm
peleLM.lo_bc = Interior Interior
peleLM.hi_bc = Interior Interior


#-------------------------AMR CONTROL----------------------------
amr.n_cell = 64 64 64 # Level 0 number of cells in each direction
amr.v = 1 # AMR verbose
amr.max_level = 0 # maximum level number allowed
amr.ref_ratio = 2 2 2 2 # refinement ratio
amr.regrid_int = 2 # how often to regrid
amr.n_error_buf = 2 2 2 2 # number of buffer cells in error est
amr.grid_eff = 0.7 # what constitutes an efficient grid
amr.blocking_factor = 16 # block factor in grid generation (min box size)
amr.max_grid_size = 64 # max box size

#--------------------------- Problem -------------------------------
prob.T_mean = 298.0
prob.P_mean = 101325.0
prob.type = ConvectedTanH
prob.meanFlowMag = 50.0
prob.meanFlowDir = 3
prob.tanh_rad = 0.2
prob.tanh_x0 = 0.5
prob.tanh_y0 = 0.5
prob.tanh_ampl = 0.1
prob.tanh_type = Temp

#------------ INPUTS TO CONSTANT TRANSPORT -----------------
transport.const_viscosity = 0.0
transport.const_bulk_viscosity = 0.0
transport.const_conductivity = 0.0
transport.const_diffusivity = 0.0

#-------------------------PeleLM CONTROL----------------------------
peleLM.v = 1
peleLM.incompressible = 0
peleLM.rho = 1.17
peleLM.mu = 0.0

amr.plot_int = 10000
amr.max_step = 50000
amr.dt_shrink = 0.1
amr.stop_time = 0.06
amr.cfl = 0.7
amr.derive_plot_vars = avg_pressure

#--------------------REFINEMENT CONTROL------------------------
amr.refinement_indicators = temp
amr.temp.max_level = 2
amr.temp.value_greater = 305
amr.temp.field_name = temp

#amrex.fpe_trap_invalid = 1
#amrex.fpe_trap_zero = 1
#amrex.fpe_trap_overflow = 1
50 changes: 50 additions & 0 deletions Exec/RegTests/PeriodicCases/pelelm_prob.H
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Expand Up @@ -152,6 +152,56 @@ void pelelm_initdata(int i, int j, int k,
} else {
amrex::Abort("Unknown gauss_type: should be either Temp or Spec");
}
} else if ( prob_parm.probType == 3 ) { // CoTanH

switch(prob_parm.meanFlowDir) {
case 1 :
AMREX_D_TERM(vel(i,j,k,0) = prob_parm.meanFlowMag;,
vel(i,j,k,1) = 0.0;,
vel(i,j,k,2) = 0.0);
break;
case -1 :
AMREX_D_TERM(vel(i,j,k,0) = -prob_parm.meanFlowMag;,
vel(i,j,k,1) = 0.0;,
vel(i,j,k,2) = 0.0);
break;
case 2 :
AMREX_D_TERM(vel(i,j,k,0) = 0.0;,
vel(i,j,k,1) = prob_parm.meanFlowMag;,
vel(i,j,k,2) = 0.0);
break;
case -2 :
AMREX_D_TERM(vel(i,j,k,0) = 0.0;,
vel(i,j,k,1) = -prob_parm.meanFlowMag;,
vel(i,j,k,2) = 0.0);
break;
case 3 :
AMREX_D_TERM(vel(i,j,k,0) = prob_parm.meanFlowMag;,
vel(i,j,k,1) = prob_parm.meanFlowMag;,
vel(i,j,k,2) = 0.0);
break;
case -3 :
AMREX_D_TERM(vel(i,j,k,0) = -prob_parm.meanFlowMag;,
vel(i,j,k,1) = -prob_parm.meanFlowMag;,
vel(i,j,k,2) = 0.0);
break;
}

if (is_incompressible) return;

temp(i,j,k) = prob_parm.T_mean;
const amrex::Real deltax = x - prob_parm.xgauss;
const amrex::Real deltay = y - prob_parm.ygauss;
const amrex::Real rad = std::sqrt(deltax*deltax + deltay*deltay);
const amrex::Real eta = 0.5*(1.0 - std::tanh(2.0*(rad-prob_parm.rgauss)/(0.05*prob_parm.rgauss)));
if ( prob_parm.gauss_type == 0 ) { // Spec
massfrac[sp1_ID] += massfrac[sp1_ID] * prob_parm.ampgauss * eta;
massfrac[sp2_ID] = 1.0 - massfrac[sp1_ID];
} else if ( prob_parm.gauss_type == 1 ) { // Temp
temp(i,j,k) = prob_parm.T_mean * ( 1.0 + prob_parm.ampgauss * eta );
} else {
amrex::Abort("Unknown tanh_type: should be either Temp or Spec");
}
} else if ( prob_parm.probType == 2 ) { // DiffGau

AMREX_D_TERM(vel(i,j,k,0) = 0.0;,
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18 changes: 18 additions & 0 deletions Exec/RegTests/PeriodicCases/pelelm_prob.cpp
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Expand Up @@ -36,6 +36,24 @@ void PeleLM::readProbParm()
}
pp.query("meanFlowDir", PeleLM::prob_parm->meanFlowDir);
pp.query("meanFlowMag", PeleLM::prob_parm->meanFlowMag);
} else if ( type == "ConvectedTanH" ) {
PeleLM::prob_parm->probType = 3;
pp.query("tanh_rad", PeleLM::prob_parm->rgauss);
pp.query("tanh_x0", PeleLM::prob_parm->xgauss);
pp.query("tanh_y0", PeleLM::prob_parm->ygauss);
pp.query("tanh_ampl", PeleLM::prob_parm->ampgauss);
std::string gtype;
pp.query("tanh_type", gtype);
if ( gtype == "Spec" ) {
PeleLM::prob_parm->gauss_type = 0;
} else if ( gtype == "Temp" ) {
PeleLM::prob_parm->gauss_type = 1;
} else {
amrex::Print() << " Unknown prob.tanh_type ! Should be Spec or Temp \n";
amrex::Abort();
}
pp.query("meanFlowDir", PeleLM::prob_parm->meanFlowDir);
pp.query("meanFlowMag", PeleLM::prob_parm->meanFlowMag);
} else if ( type == "DiffusedGaussian" ) {
PeleLM::prob_parm->probType = 2;
pp.query("gaussian_time", PeleLM::prob_parm->gaussTime);
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