ERF_DiffusionSrcForState_T.cpp File Reference

#include "ERF_Diffusion.H"
#include "ERF_ScalarDiffusion.H"
#include "ERF_NativeScalarDiffusion.H"
#include "ERF_EddyViscosity.H"
#include "ERF_TerrainMetrics.H"
#include "ERF_SetupScalarDiffusion.H"

Include dependency graph for ERF_DiffusionSrcForState_T.cpp:

Functions
void	DiffusionSrcForState_T (const Box &bx, const Box &domain, int start_comp, int num_comp, const bool &rotate, const Array4< const Real > &cell_data, const Array4< const Real > &cell_prim, const Array4< Real > &cell_rhs, const Array4< Real > &xflux, const Array4< Real > &yflux, const Array4< Real > &zflux, const Array4< const Real > &z_nd, const Array4< const Real > &z_cc, const Array4< const Real > &ax, const Array4< const Real > &ay, const Array4< const Real > &, const Array4< const Real > &detJ, const GpuArray< Real, AMREX_SPACEDIM > &cellSizeInv, const Array4< const Real > &mf_mx, const Array4< const Real > &mf_ux, const Array4< const Real > &mf_vx, const Array4< const Real > &mf_my, const Array4< const Real > &mf_uy, const Array4< const Real > &mf_vy, Array4< Real > &hfx_x, Array4< Real > &hfx_y, Array4< Real > &hfx_z, Array4< Real > &qfx1_x, Array4< Real > &qfx1_y, Array4< Real > &qfx1_z, Array4< Real > &qfx2_z, const Array4< const Real > &mu_turb, const SolverChoice &solverChoice, const int level, const BCRec *bc_ptr, const bool use_SurfLayer, const Vector< std::unique_ptr< SurfaceLayer >> &SurfLayer, const Real implicit_fac)

Function Documentation

DiffusionSrcForState_T()

void DiffusionSrcForState_T	(	const Box &	bx,
		const Box &	domain,
		int	start_comp,
		int	num_comp,
		const bool &	rotate,
		const Array4< const Real > &	cell_data,
		const Array4< const Real > &	cell_prim,
		const Array4< Real > &	cell_rhs,
		const Array4< Real > &	xflux,
		const Array4< Real > &	yflux,
		const Array4< Real > &	zflux,
		const Array4< const Real > &	z_nd,
		const Array4< const Real > &	z_cc,
		const Array4< const Real > &	ax,
		const Array4< const Real > &	ay,
		const Array4< const Real > &	,
		const Array4< const Real > &	detJ,
		const GpuArray< Real, AMREX_SPACEDIM > &	cellSizeInv,
		const Array4< const Real > &	mf_mx,
		const Array4< const Real > &	mf_ux,
		const Array4< const Real > &	mf_vx,
		const Array4< const Real > &	mf_my,
		const Array4< const Real > &	mf_uy,
		const Array4< const Real > &	mf_vy,
		Array4< Real > &	hfx_x,
		Array4< Real > &	hfx_y,
		Array4< Real > &	hfx_z,
		Array4< Real > &	qfx1_x,
		Array4< Real > &	qfx1_y,
		Array4< Real > &	qfx1_z,
		Array4< Real > &	qfx2_z,
		const Array4< const Real > &	mu_turb,
		const SolverChoice &	solverChoice,
		const int	level,
		const BCRec *	bc_ptr,
		const bool	use_SurfLayer,
		const Vector< std::unique_ptr< SurfaceLayer >> &	SurfLayer,
		const Real	implicit_fac
	)

Function for computing the scalar RHS for diffusion operator with terrain-fitted coordinates.

Parameters

[in]	bx	cell center box to loop over
[in]	domain	box of the whole domain
[in]	start_comp	starting component index
[in]	num_comp	number of components
[in]	rotate	flag to rotate terrain-aligned fluxes
[in]	cell_data	conserved cell center vars
[in]	cell_prim	primitive cell center vars
[out]	cell_rhs	RHS for cell center vars
[in]	xflux	flux in x-dir
[in]	yflux	flux in y-dir
[in]	zflux	flux in z-dir
[in]	z_nd	physical z height
[in]	z_cc	cell-centered physical z height
[in]	ax	area fraction of x-faces
[in]	ay	area fraction of y-faces
[in]	detJ	Jacobian determinant
[in]	cellSizeInv	inverse cell size array
[in]	mf_mx	x map factor at cell centers
[in]	mf_ux	x map factor at x-faces
[in]	mf_vx	x map factor at y-faces
[in]	mf_my	y map factor at cell centers
[in]	mf_uy	y map factor at x-faces
[in]	mf_vy	y map factor at y-faces
[in,out]	hfx_x	heat flux in x-dir
[in,out]	hfx_y	heat flux in y-dir
[in,out]	hfx_z	heat flux in z-dir
[in,out]	qfx1_x	heat flux in x-dir
[in,out]	qfx1_y	heat flux in y-dir
[in,out]	qfx1_z	heat flux in z-dir
[out]	qfx2_z	heat flux in z-dir
[in]	mu_turb	turbulent viscosity
[in]	solverChoice	container of solver and diffusion parameters
[in]	level	AMR level
[in]	bc_ptr	container with boundary conditions
[in]	use_SurfLayer	whether we have turned on subgrid diffusion
[in]	implicit_fac	– factor of implicitness for vertical differences only

{
    BL_PROFILE_VAR("DiffusionSrcForState_T()",DiffusionSrcForState_T);
 
    const Real explicit_fac = one - implicit_fac;
 
#include "ERF_SetupScalarDiffusion.H"
 
    for (int n(0); n<num_comp; ++n) {
        const int qty_index = start_comp + n;
        const NativeScalarDiffusionPolicy native_policy =
            ResolveNativeScalarDiffusionPolicy(qty_index, diffChoice);
 
        ScalarDiffusionFieldViews field;
        field.scalar = cell_prim;
        field.scalar_comp = native_policy.scalar_comp;
        field.density = cell_data;
        field.rho_comp = Rho_comp;
        field.mu_turb = mu_turb;
        field.xflux = xflux;
        field.yflux = yflux;
        field.zflux = zflux;
        field.flux_comp = native_policy.flux_comp;
        field.rhs = cell_rhs;
        field.rhs_comp = native_policy.rhs_comp;
 
        ScalarDiffusionFluxPolicy flux_policy;
        flux_policy.coefficients = native_policy.coefficients;
        flux_policy.coefficient_mode = {l_consA, l_turb};
        flux_policy.surface = {
            SurfLayer_xlo, SurfLayer_xhi, SurfLayer_ylo, SurfLayer_yhi,
            SurfLayer_zlo, SurfLayer_zhi
        };
        if (native_policy.is_theta) {
            flux_policy.prescribed.use_x_on_side = true;
            flux_policy.prescribed.use_y_on_side = true;
            flux_policy.prescribed.use_z_on_side = true;
            flux_policy.prescribed.use_x_on_bottom_z = SurfLayer_zlo && rotate;
            flux_policy.prescribed.use_y_on_bottom_z = SurfLayer_zlo && rotate;
            flux_policy.prescribed.x = Array4<const Real>(hfx_x);
            flux_policy.prescribed.y = Array4<const Real>(hfx_y);
            flux_policy.prescribed.z = Array4<const Real>(hfx_z);
            flux_policy.diagnostic.enabled = true;
            flux_policy.diagnostic.z = hfx_z;
        } else if (native_policy.is_q1) {
            flux_policy.prescribed.use_x_on_side = true;
            flux_policy.prescribed.use_y_on_side = true;
            flux_policy.prescribed.use_z_on_side = true;
            flux_policy.prescribed.use_x_on_bottom_z = SurfLayer_zlo && rotate;
            flux_policy.prescribed.use_y_on_bottom_z = SurfLayer_zlo && rotate;
            flux_policy.prescribed.x = Array4<const Real>(qfx1_x);
            flux_policy.prescribed.y = Array4<const Real>(qfx1_y);
            flux_policy.prescribed.z = Array4<const Real>(qfx1_z);
            flux_policy.diagnostic.enabled = true;
            flux_policy.diagnostic.z = qfx1_z;
        } else if (native_policy.is_q2) {
            flux_policy.diagnostic.enabled = true;
            flux_policy.diagnostic.write_on_surface = true;
            flux_policy.diagnostic.z = qfx2_z;
        }
 
        BuildScalarDiffusionFluxes_T(
            bx, domain, field, flux_policy, rotate, z_nd, z_cc, cellSizeInv,
            mf_ux, mf_vy, bc_ptr, native_policy.bc_comp);
        if (native_policy.scale_raw_vertical_flux) {
            ScaleScalarDiffusionVerticalFlux(
                zbx, zflux, field.flux_comp, explicit_fac);
        }
        // erf.implicit_terrain_metric: the implicit solve of this quantity also takes the
        // compact terrain-metric term, so remove that part of it from the explicit flux
        if (native_policy.scale_raw_vertical_flux && solverChoice.implicit_terrain_metric &&
            implicit_fac > zero) {
            SubtractTerrainMetricImplicitPart_T(
                bx, domain, field, flux_policy, z_nd, cellSizeInv, mf_mx, mf_my, implicit_fac);
        }
 
        ApplyScalarDiffusionMappedDivergence_T(
            bx, domain, field, z_nd, ax, ay, detJ, cellSizeInv, mf_mx, mf_uy,
            mf_my, mf_vx,
            SurfLayer_zlo && !(native_policy.is_theta || native_policy.is_q1));
    } // n
}

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