ERF_InitCustomPertVels_ABL.H File Reference

Go to the source code of this file.

Functions
ParmParse	pp_prob ("prob")
pp_prob	query ("U_0", U_0)
pp_prob	query ("V_0", V_0)
pp_prob	query ("W_0", W_0)
pp_prob	query ("U_0_Pert_Mag", U_0_Pert_Mag)
pp_prob	query ("V_0_Pert_Mag", V_0_Pert_Mag)
pp_prob	query ("W_0_Pert_Mag", W_0_Pert_Mag)
pp_prob	query ("pert_deltaU", pert_deltaU)
pp_prob	query ("pert_deltaV", pert_deltaV)
pp_prob	query ("pert_periods_U", pert_periods_U)
pp_prob	query ("pert_periods_V", pert_periods_V)
pp_prob	query ("pert_ref_height", pert_ref_height)
	if (pert_ref_height > 0)
	ParallelForRNG (xbx, [=] AMREX_GPU_DEVICE(int i, int j, int k, const amrex::RandomEngine &engine) noexcept { const Real *prob_lo=geomdata.ProbLo();const Real *dx=geomdata.CellSize();const Real y=prob_lo[1]+(j+0.5) *dx[1];const Real z=(z_nd) ? 0.25 *(z_nd(i, j, k)+z_nd(i, j, k+1)+z_nd(i, j+1, k)+z_nd(i, j+1, k+1)) :prob_lo[2]+(k+0.5) *dx[2];x_vel_pert(i, j, k)=U_0;if((z<=pert_ref_height) &&(U_0_Pert_Mag !=0.0)) { Real rand_double=amrex::Random(engine);Real x_vel_prime=(rand_double *2.0 - 1.0) *U_0_Pert_Mag;x_vel_pert(i, j, k)+=x_vel_prime;} if(pert_deltaU !=0.0) { const amrex::Real yl=y - prob_lo[1];const amrex::Real zl=z/pert_ref_height;const amrex::Real damp=std::exp(-0.5 *zl *zl);x_vel_pert(i, j, k)+=ufac *damp *z *std::cos(aval *yl);} })
	ParallelForRNG (ybx, [=] AMREX_GPU_DEVICE(int i, int j, int k, const amrex::RandomEngine &engine) noexcept { const Real *prob_lo=geomdata.ProbLo();const Real *dx=geomdata.CellSize();const Real x=prob_lo[0]+(i+0.5) *dx[0];const Real z=(z_nd) ? 0.25 *(z_nd(i, j, k)+z_nd(i, j, k+1)+z_nd(i+1, j, k)+z_nd(i+1, j, k+1)) :prob_lo[2]+(k+0.5) *dx[2];y_vel_pert(i, j, k)=V_0;if((z<=pert_ref_height) &&(V_0_Pert_Mag !=0.0)) { Real rand_double=amrex::Random(engine);Real y_vel_prime=(rand_double *2.0 - 1.0) *V_0_Pert_Mag;y_vel_pert(i, j, k)+=y_vel_prime;} if(pert_deltaV !=0.0) { const amrex::Real xl=x - prob_lo[0];const amrex::Real zl=z/pert_ref_height;const amrex::Real damp=std::exp(-0.5 *zl *zl);y_vel_pert(i, j, k)+=vfac *damp *z *std::cos(bval *xl);} })
	ParallelForRNG (zbx, [=] AMREX_GPU_DEVICE(int i, int j, int k, const amrex::RandomEngine &engine) noexcept { const int dom_lo_z=geomdata.Domain().smallEnd()[2];const int dom_hi_z=geomdata.Domain().bigEnd()[2];if(k==dom_lo_z||k==dom_hi_z+1) { z_vel_pert(i, j, k)=0.0;} else if(W_0_Pert_Mag !=0.0) { Real rand_double=amrex::Random(engine);Real z_vel_prime=(rand_double *2.0 - 1.0) *W_0_Pert_Mag;z_vel_pert(i, j, k)=W_0+z_vel_prime;} })

Variables
Real	U_0 = 0.0
Real	V_0 = 0.0
Real	W_0 = 0.0
Real	U_0_Pert_Mag = 0.0
Real	V_0_Pert_Mag = 0.0
Real	W_0_Pert_Mag = 0.0
Real	pert_deltaU = 0.0
Real	pert_deltaV = 0.0
Real	pert_periods_U = 5.0
Real	pert_periods_V = 5.0
Real	pert_ref_height = 100.0
auto	problo = geomdata.ProbLo()
auto	probhi = geomdata.ProbHi()
Real	aval = pert_periods_U * 2.0 * PI / (probhi[1] - problo[1])
Real	bval = pert_periods_V * 2.0 * PI / (probhi[0] - problo[0])
Real	ufac = pert_deltaU * std::exp(0.5) / pert_ref_height
Real	vfac = pert_deltaV * std::exp(0.5) / pert_ref_height

Function Documentation

if()

if	(	pert_ref_height	,
		0
	)

                             {
        if ((pert_deltaU != 0.0) || (pert_deltaV != 0.0)) {
            amrex::Print() << "Adding divergence-free perturbations "
                           << pert_deltaU << " " << pert_deltaV
                           << std::endl;
        }
        if (U_0_Pert_Mag != 0.0) {
            amrex::Print() << "Adding random x-velocity perturbations" << std::endl;
        }
        if (V_0_Pert_Mag != 0.0) {
            amrex::Print() << "Adding random y-velocity perturbations" << std::endl;
        }
    }

ParallelForRNG() [1/3]

ParallelForRNG	(	xbx	,
		[=] AMREX_GPU_DEVICE(int i, int j, int k, const amrex::RandomEngine &engine) noexcept { const Real *prob_lo=geomdata.ProbLo();const Real *dx=geomdata.CellSize();const Real y=prob_lo[1]+(j+0.5) *dx[1];const Real z=(z_nd) ? 0.25 *(z_nd(i, j, k)+z_nd(i, j, k+1)+z_nd(i, j+1, k)+z_nd(i, j+1, k+1)) :prob_lo[2]+(k+0.5) *dx[2];x_vel_pert(i, j, k)=U_0;if((z<=pert_ref_height) &&(U_0_Pert_Mag !=0.0)) { Real rand_double=amrex::Random(engine);Real x_vel_prime=(rand_double *2.0 - 1.0) *U_0_Pert_Mag;x_vel_pert(i, j, k)+=x_vel_prime;} if(pert_deltaU !=0.0) { const amrex::Real yl=y - prob_lo[1];const amrex::Real zl=z/pert_ref_height;const amrex::Real damp=std::exp(-0.5 *zl *zl);x_vel_pert(i, j, k)+=ufac *damp *z *std::cos(aval *yl);} }
	)

ParallelForRNG() [2/3]

ParallelForRNG	(	ybx	,
		[=] AMREX_GPU_DEVICE(int i, int j, int k, const amrex::RandomEngine &engine) noexcept { const Real *prob_lo=geomdata.ProbLo();const Real *dx=geomdata.CellSize();const Real x=prob_lo[0]+(i+0.5) *dx[0];const Real z=(z_nd) ? 0.25 *(z_nd(i, j, k)+z_nd(i, j, k+1)+z_nd(i+1, j, k)+z_nd(i+1, j, k+1)) :prob_lo[2]+(k+0.5) *dx[2];y_vel_pert(i, j, k)=V_0;if((z<=pert_ref_height) &&(V_0_Pert_Mag !=0.0)) { Real rand_double=amrex::Random(engine);Real y_vel_prime=(rand_double *2.0 - 1.0) *V_0_Pert_Mag;y_vel_pert(i, j, k)+=y_vel_prime;} if(pert_deltaV !=0.0) { const amrex::Real xl=x - prob_lo[0];const amrex::Real zl=z/pert_ref_height;const amrex::Real damp=std::exp(-0.5 *zl *zl);y_vel_pert(i, j, k)+=vfac *damp *z *std::cos(bval *xl);} }
	)

ParallelForRNG() [3/3]

ParallelForRNG	(	zbx	,
		[=] AMREX_GPU_DEVICE(int i, int j, int k, const amrex::RandomEngine &engine) noexcept { const int dom_lo_z=geomdata.Domain().smallEnd()[2];const int dom_hi_z=geomdata.Domain().bigEnd()[2];if(k==dom_lo_z||k==dom_hi_z+1) { z_vel_pert(i, j, k)=0.0;} else if(W_0_Pert_Mag !=0.0) { Real rand_double=amrex::Random(engine);Real z_vel_prime=(rand_double *2.0 - 1.0) *W_0_Pert_Mag;z_vel_pert(i, j, k)=W_0+z_vel_prime;} }
	)

pp_prob()

ParmParse pp_prob

(

"prob"

)

query() [1/11]

pp_prob query	(	"pert_deltaU"	,
		pert_deltaU
	)

query() [2/11]

pp_prob query	(	"pert_deltaV"	,
		pert_deltaV
	)

query() [3/11]

pp_prob query	(	"pert_periods_U"	,
		pert_periods_U
	)

query() [4/11]

pp_prob query	(	"pert_periods_V"	,
		pert_periods_V
	)

query() [5/11]

pp_prob query	(	"pert_ref_height"	,
		pert_ref_height
	)

query() [6/11]

pp_prob query	(	"U_0"	,
		U_0
	)

query() [7/11]

pp_prob query	(	"U_0_Pert_Mag"	,
		U_0_Pert_Mag
	)

query() [8/11]

pp_prob query	(	"V_0"	,
		V_0
	)

query() [9/11]

pp_prob query	(	"V_0_Pert_Mag"	,
		V_0_Pert_Mag
	)

query() [10/11]

pp_prob query	(	"W_0"	,
		W_0
	)

query() [11/11]

pp_prob query	(	"W_0_Pert_Mag"	,
		W_0_Pert_Mag
	)

Variable Documentation

aval

Real aval = pert_periods_U * 2.0 * PI / (probhi[1] - problo[1])

Referenced by ncutils::NCVar::get_attr(), ncutils::NCGroup::get_attr(), and ParallelForRNG().

bval

Real bval = pert_periods_V * 2.0 * PI / (probhi[0] - problo[0])

Referenced by ParallelForRNG().

pert_deltaU

Real pert_deltaU = 0.0

Referenced by if(), and ParallelForRNG().

pert_deltaV

Real pert_deltaV = 0.0

Referenced by if(), and ParallelForRNG().

pert_periods_U

Real pert_periods_U = 5.0

pert_periods_V

Real pert_periods_V = 5.0

pert_ref_height

Real pert_ref_height = 100.0

Referenced by ParallelForRNG().

probhi

auto probhi = geomdata.ProbHi()

problo

auto problo = geomdata.ProbLo()

U_0

Real U_0 = 0.0

Referenced by ParallelForRNG().

U_0_Pert_Mag

Real U_0_Pert_Mag = 0.0

Referenced by if(), and ParallelForRNG().

ufac

Real ufac = pert_deltaU * std::exp(0.5) / pert_ref_height

Referenced by ParallelForRNG().

V_0

Real V_0 = 0.0

Referenced by ParallelForRNG().

V_0_Pert_Mag

Real V_0_Pert_Mag = 0.0

Referenced by if(), and ParallelForRNG().

vfac

Real vfac = pert_deltaV * std::exp(0.5) / pert_ref_height

Referenced by MOSTAverage::compute_plane_averages(), MOSTAverage::compute_region_averages(), and ParallelForRNG().

W_0

Real W_0 = 0.0

Referenced by ParallelForRNG().

W_0_Pert_Mag

Real W_0_Pert_Mag = 0.0

Referenced by ParallelForRNG().