amr_wind::multiphase Namespace Reference

Functions
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	eulerian_implicit (const int i, const int j, const int k, const int dir, const amrex::Real dtdx, const amrex::Real velL, const amrex::Real velR, amrex::Array4< amrex::Real const > const &volfrac, amrex::Array4< amrex::Real > const &vofL, amrex::Array4< amrex::Real > const &vofR)
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	balance_eulerian_fluxes (const int i, const int j, const int k, const int dir, const amrex::Real dxi, const amrex::Real velL, const amrex::Real velR, amrex::Array4< amrex::Real > const &volfrac, amrex::Array4< amrex::Real const > const &fluxF, amrex::Array4< amrex::Real const > const &fluxC)
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	fluxes_bc_save (const int i, const int j, const int k, const int dir, const amrex::Real disp, amrex::Array4< amrex::Real > const &f_f, amrex::Array4< amrex::Real > const &vofL, amrex::Array4< amrex::Real > const &vofR, amrex::Array4< amrex::Real > const &advalpha_f, amrex::GpuArray< BC, AMREX_SPACEDIM *2 > BCs, const int domlo, const int domhi)
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	c_mask (const int i, const int j, const int k, amrex::Array4< amrex::Real > const &volfrac, amrex::Array4< amrex::Real > const &volfrac_masked)
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	remove_vof_debris (const int i, const int j, const int k, amrex::Array4< amrex::Real > const &volfrac)
void	split_advection_step (int isweep, int iorder, int nlevels, Field &dof_field, amrex::Vector< amrex::Array< amrex::MultiFab *, AMREX_SPACEDIM > > const &fluxes, ScratchField &fluxC, amrex::Vector< amrex::Array< amrex::MultiFab *, AMREX_SPACEDIM > > const &advas, Field const &u_mac, Field const &v_mac, Field const &w_mac, amrex::GpuArray< BC, AMREX_SPACEDIM *2 > BCs, amrex::Vector< amrex::Geometry > geom, amrex::Real dt, bool rm_debris)
void	split_compute_fluxes (const int lev, amrex::Box const &bx, const int isweep, amrex::Array4< amrex::Real const > const &volfrac, amrex::Array4< amrex::Real const > const &umac, amrex::Array4< amrex::Real const > const &vmac, amrex::Array4< amrex::Real const > const &wmac, amrex::Array4< amrex::Real > const &aax, amrex::Array4< amrex::Real > const &aay, amrex::Array4< amrex::Real > const &aaz, amrex::Array4< amrex::Real > const &fx, amrex::Array4< amrex::Real > const &fy, amrex::Array4< amrex::Real > const &fz, amrex::GpuArray< BC, AMREX_SPACEDIM *2 > BCs, amrex::Real *p, amrex::Vector< amrex::Geometry > geom, const amrex::Real dt)
void	split_compute_sum (int lev, amrex::Box const &bx, int isweep, amrex::Array4< amrex::Real > const &volfrac, amrex::Array4< amrex::Real const > const &fluxC, amrex::Array4< amrex::Real const > const &umac, amrex::Array4< amrex::Real const > const &vmac, amrex::Array4< amrex::Real const > const &wmac, amrex::Array4< amrex::Real const > const &fx, amrex::Array4< amrex::Real const > const &fy, amrex::Array4< amrex::Real const > const &fz, amrex::Vector< amrex::Geometry > geom, amrex::Real dt)
void	cmask_loop (amrex::Box const &bx, amrex::Array4< amrex::Real > const &volfrac, amrex::Array4< amrex::Real > const &fluxC)
void	debris_loop (amrex::Box const &bx, amrex::Array4< amrex::Real > const &volfrac)
void	sweep_fluxes (const int dir, amrex::Box const &bx, const amrex::Real dtdx, amrex::Array4< amrex::Real const > const &vel_mac, amrex::Array4< amrex::Real const > const &volfrac, amrex::Array4< amrex::Real > const &vofL, amrex::Array4< amrex::Real > const &vofR)
void	sweep_balance (const int dir, const amrex::Real dt, const amrex::Real dxi, amrex::Box const &bx, amrex::Array4< amrex::Real const > const &vel_mac, amrex::Array4< amrex::Real > const &volfrac, amrex::Array4< amrex::Real const > const &fluxF, amrex::Array4< amrex::Real const > const &fluxC)
static void	replace_masked_vof (const int nlevels, amr_wind::IntField &f_iblank, amr_wind::Field &f_vof, amr_wind::Field &f_vof_new)
static void	hybrid_fluxes (const FieldRepo &repo, const int ncomp, const amrex::Gpu::DeviceVector< int > &iconserv, ScratchField &flux_x, ScratchField &flux_y, ScratchField &flux_z, const Field &dof_field, const Field &dof_nph, const Field &src_term, const Field &rho_o, const Field &rho_nph, const Field &u_mac, const Field &v_mac, const Field &w_mac, amrex::Vector< amrex::BCRec > const &velbc, amrex::BCRec const *velbc_d, amrex::Vector< amrex::BCRec > const &rhobc, amrex::BCRec const *rhobc_d, const amrex::Real dt, godunov::scheme mflux_scheme, bool allow_inflow_on_outflow, bool use_forces_in_trans)
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void	youngs_finite_difference_normal (const int i, const int j, const int k, amrex::Array4< amrex::Real const > const &volfrac, amrex::Real &mx, amrex::Real &my, amrex::Real &mz) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void	youngs_finite_difference_normal_neumann (const int i, const int j, const int k, const int ibdy, const int jbdy, const int kbdy, amrex::Array4< amrex::Real const > const &volfrac, amrex::Real &mx, amrex::Real &my, amrex::Real &mz) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void	mixed_youngs_central_normal (const int i, const int j, const int k, amrex::Array4< amrex::Real const > const &volfrac, amrex::Real &mx, amrex::Real &my, amrex::Real &mz) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	volume_intercept (const amrex::Real b1, const amrex::Real b2, const amrex::Real b3, const amrex::Real volF) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	cut_volume (const amrex::Real m1, const amrex::Real m2, const amrex::Real m3, const amrex::Real alpha, const amrex::Real r0, const amrex::Real dr0) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void	fit_plane (const int i, const int j, const int k, amrex::Array4< amrex::Real const > const &volfrac, amrex::Real &mx, amrex::Real &my, amrex::Real &mz, amrex::Real &alpha)
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE bool	interface_band (const int i, const int j, const int k, amrex::Array4< amrex::Real const > const &volfrac, const int n_band=1, const amrex::Real tiny=constants::TIGHT_TOL) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	levelset_to_vof (const int i, const int j, const int k, const amrex::Real eps, amrex::Array4< amrex::Real const > const &phi) noexcept

Function Documentation

balance_eulerian_fluxes()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::balance_eulerian_fluxes	(	const int	i,
		const int	j,
		const int	k,
		const int	dir,
		const amrex::Real	dxi,
		const amrex::Real	velL,
		const amrex::Real	velR,
		amrex::Array4< amrex::Real > const &	volfrac,
		amrex::Array4< amrex::Real const > const &	fluxF,
		amrex::Array4< amrex::Real const > const &	fluxC )

c_mask()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::c_mask	(	const int	i,
		const int	j,
		const int	k,
		amrex::Array4< amrex::Real > const &	volfrac,
		amrex::Array4< amrex::Real > const &	volfrac_masked )

cmask_loop()

void amr_wind::multiphase::cmask_loop	(	amrex::Box const &	bx,
		amrex::Array4< amrex::Real > const &	volfrac,
		amrex::Array4< amrex::Real > const &	fluxC )

cut_volume()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real amr_wind::multiphase::cut_volume ( const amrex::Real m1, const amrex::Real m2, const amrex::Real m3, const amrex::Real alpha, const amrex::Real r0, const amrex::Real dr0 )

noexcept

Computes the "CUT VOLUME" V0 given r0, dr0 and m_1*x_1 + m_2*x_2 + m_3*x_3 = alpha (1) move origin to r0 along r ; (2) reflect parallelepiped; (3) limit alpha (0<= al0 <=0.5); (4) order coefficients: b1<b2<b3; (5) calculate volume (NOTE: it is assumed:s0=t0=0; ds0=dt0=1.)

debris_loop()

void amr_wind::multiphase::debris_loop	(	amrex::Box const &	bx,
		amrex::Array4< amrex::Real > const &	volfrac )

eulerian_implicit()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::eulerian_implicit	(	const int	i,
		const int	j,
		const int	k,
		const int	dir,
		const amrex::Real	dtdx,
		const amrex::Real	velL,
		const amrex::Real	velR,
		amrex::Array4< amrex::Real const > const &	volfrac,
		amrex::Array4< amrex::Real > const &	vofL,
		amrex::Array4< amrex::Real > const &	vofR )

fit_plane()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::fit_plane	(	const int	i,
		const int	j,
		const int	k,
		amrex::Array4< amrex::Real const > const &	volfrac,
		amrex::Real &	mx,
		amrex::Real &	my,
		amrex::Real &	mz,
		amrex::Real &	alpha )

fluxes_bc_save()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::fluxes_bc_save	(	const int	i,
		const int	j,
		const int	k,
		const int	dir,
		const amrex::Real	disp,
		amrex::Array4< amrex::Real > const &	f_f,
		amrex::Array4< amrex::Real > const &	vofL,
		amrex::Array4< amrex::Real > const &	vofR,
		amrex::Array4< amrex::Real > const &	advalpha_f,
		amrex::GpuArray< BC, AMREX_SPACEDIM *2 >	BCs,
		const int	domlo,
		const int	domhi )

hybrid_fluxes()

static void amr_wind::multiphase::hybrid_fluxes ( const FieldRepo & repo, const int ncomp, const amrex::Gpu::DeviceVector< int > & iconserv, ScratchField & flux_x, ScratchField & flux_y, ScratchField & flux_z, const Field & dof_field, const Field & dof_nph, const Field & src_term, const Field & rho_o, const Field & rho_nph, const Field & u_mac, const Field & v_mac, const Field & w_mac, amrex::Vector< amrex::BCRec > const & velbc, amrex::BCRec const * velbc_d, amrex::Vector< amrex::BCRec > const & rhobc, amrex::BCRec const * rhobc_d, const amrex::Real dt, godunov::scheme mflux_scheme, bool allow_inflow_on_outflow, bool use_forces_in_trans )

static

interface_band()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE bool amr_wind::multiphase::interface_band ( const int i, const int j, const int k, amrex::Array4< amrex::Real const > const & volfrac, const int n_band = 1, const amrex::Real tiny = constants::TIGHT_TOL )

noexcept

levelset_to_vof()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real amr_wind::multiphase::levelset_to_vof ( const int i, const int j, const int k, const amrex::Real eps, amrex::Array4< amrex::Real const > const & phi )

noexcept

mixed_youngs_central_normal()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::mixed_youngs_central_normal ( const int i, const int j, const int k, amrex::Array4< amrex::Real const > const & volfrac, amrex::Real & mx, amrex::Real & my, amrex::Real & mz )

noexcept

remove_vof_debris()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::remove_vof_debris	(	const int	i,
		const int	j,
		const int	k,
		amrex::Array4< amrex::Real > const &	volfrac )

replace_masked_vof()

static void amr_wind::multiphase::replace_masked_vof ( const int nlevels, amr_wind::IntField & f_iblank, amr_wind::Field & f_vof, amr_wind::Field & f_vof_new )

static

split_advection_step()

void amr_wind::multiphase::split_advection_step	(	int	isweep,
		int	iorder,
		int	nlevels,
		Field &	dof_field,
		amrex::Vector< amrex::Array< amrex::MultiFab *, AMREX_SPACEDIM > > const &	fluxes,
		ScratchField &	fluxC,
		amrex::Vector< amrex::Array< amrex::MultiFab *, AMREX_SPACEDIM > > const &	advas,
		Field const &	u_mac,
		Field const &	v_mac,
		Field const &	w_mac,
		amrex::GpuArray< BC, AMREX_SPACEDIM *2 >	BCs,
		amrex::Vector< amrex::Geometry >	geom,
		amrex::Real	dt,
		bool	rm_debris )

split_compute_fluxes()

void amr_wind::multiphase::split_compute_fluxes	(	const int	lev,
		amrex::Box const &	bx,
		const int	isweep,
		amrex::Array4< amrex::Real const > const &	volfrac,
		amrex::Array4< amrex::Real const > const &	umac,
		amrex::Array4< amrex::Real const > const &	vmac,
		amrex::Array4< amrex::Real const > const &	wmac,
		amrex::Array4< amrex::Real > const &	aax,
		amrex::Array4< amrex::Real > const &	aay,
		amrex::Array4< amrex::Real > const &	aaz,
		amrex::Array4< amrex::Real > const &	fx,
		amrex::Array4< amrex::Real > const &	fy,
		amrex::Array4< amrex::Real > const &	fz,
		amrex::GpuArray< BC, AMREX_SPACEDIM *2 >	BCs,
		amrex::Real *	p,
		amrex::Vector< amrex::Geometry >	geom,
		const amrex::Real	dt )

split_compute_sum()

void amr_wind::multiphase::split_compute_sum	(	int	lev,
		amrex::Box const &	bx,
		int	isweep,
		amrex::Array4< amrex::Real > const &	volfrac,
		amrex::Array4< amrex::Real const > const &	fluxC,
		amrex::Array4< amrex::Real const > const &	umac,
		amrex::Array4< amrex::Real const > const &	vmac,
		amrex::Array4< amrex::Real const > const &	wmac,
		amrex::Array4< amrex::Real const > const &	fx,
		amrex::Array4< amrex::Real const > const &	fy,
		amrex::Array4< amrex::Real const > const &	fz,
		amrex::Vector< amrex::Geometry >	geom,
		amrex::Real	dt )

sweep_balance()

void amr_wind::multiphase::sweep_balance	(	const int	dir,
		const amrex::Real	dt,
		const amrex::Real	dxi,
		amrex::Box const &	bx,
		amrex::Array4< amrex::Real const > const &	vel_mac,
		amrex::Array4< amrex::Real > const &	volfrac,
		amrex::Array4< amrex::Real const > const &	fluxF,
		amrex::Array4< amrex::Real const > const &	fluxC )

sweep_fluxes()

void amr_wind::multiphase::sweep_fluxes	(	const int	dir,
		amrex::Box const &	bx,
		const amrex::Real	dtdx,
		amrex::Array4< amrex::Real const > const &	vel_mac,
		amrex::Array4< amrex::Real const > const &	volfrac,
		amrex::Array4< amrex::Real > const &	vofL,
		amrex::Array4< amrex::Real > const &	vofR )

volume_intercept()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real amr_wind::multiphase::volume_intercept ( const amrex::Real b1, const amrex::Real b2, const amrex::Real b3, const amrex::Real volF )

noexcept

youngs_finite_difference_normal()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::youngs_finite_difference_normal ( const int i, const int j, const int k, amrex::Array4< amrex::Real const > const & volfrac, amrex::Real & mx, amrex::Real & my, amrex::Real & mz )

noexcept

Young's finite-difference gradient scheme.

The gradient is computed with a multiplicative factor of -32:

\[ mm = - 32 * \grad (c) \]

Known problems: the index (1,1,1), i.e. the central cell in the block, never occurs: Therefore an isolated droplet will have a normal with all components to zero.

youngs_finite_difference_normal_neumann()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void amr_wind::multiphase::youngs_finite_difference_normal_neumann ( const int i, const int j, const int k, const int ibdy, const int jbdy, const int kbdy, amrex::Array4< amrex::Real const > const & volfrac, amrex::Real & mx, amrex::Real & my, amrex::Real & mz )

noexcept