Utilities

Macros
#define	XVEL   0
#define	YVEL   1
#define	ZVEL   2

Functions
void	HydroUtils::enforceInOutSolvability (const Vector< Array< MultiFab *, AMREX_SPACEDIM >> &vels_vec, const BCRec *bc_type, const Vector< Geometry > &geom, bool include_bndry_corners)
void	HydroUtils::ExtrapVelToFaces (amrex::MultiFab const &vel, amrex::MultiFab const &vel_forces, AMREX_D_DECL(amrex::MultiFab &u_mac, amrex::MultiFab &v_mac, amrex::MultiFab &w_mac), amrex::Vector< amrex::BCRec > const &h_bcrec, amrex::BCRec const *d_bcrec, const amrex::Geometry &geom, amrex::Real dt, bool godunov_ppm, bool godunov_use_forces_in_trans, std::string const &advection_type, int limiter_type=PPM::default_limiter, bool allow_inflow_on_outflow=false, amrex::iMultiFab *BC_MF=nullptr)

Variables
static constexpr amrex::Real	small_vel = amrex::Real(1.e-8)
static constexpr amrex::Real	hydro_covered_val = amrex::Real(1.0e40)
constexpr amrex::Real	eps = 1.0e-6

Detailed Description

Macro Definition Documentation

XVEL

#define XVEL   0

Index for the X velocity component.

YVEL

#define YVEL   1

Index for the Y velocity component.

ZVEL

#define ZVEL   2

Index for the Z velocity component.

Function Documentation

enforceInOutSolvability()

void HydroUtils::enforceInOutSolvability	(	const Vector< Array< MultiFab *, AMREX_SPACEDIM >> &	vels_vec,
		const BCRec *	bc_type,
		const Vector< Geometry > &	geom,
		bool	include_bndry_corners
	)

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ExtrapVelToFaces()

void HydroUtils::ExtrapVelToFaces	(	amrex::MultiFab const &	vel,
		amrex::MultiFab const &	vel_forces,
		AMREX_D_DECL(amrex::MultiFab &u_mac, amrex::MultiFab &v_mac, amrex::MultiFab &w_mac)	,
		amrex::Vector< amrex::BCRec > const &	h_bcrec,
		amrex::BCRec const *	d_bcrec,
		const amrex::Geometry &	geom,
		amrex::Real	dt,
		bool	godunov_ppm,
		bool	godunov_use_forces_in_trans,
		std::string const &	advection_type,
		int	limiter_type = PPM::default_limiter,
		bool	allow_inflow_on_outflow = false,
		amrex::iMultiFab *	BC_MF = nullptr
	)

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Variable Documentation

eps

constexpr amrex::Real eps = 1.0e-6

constexpr

hydro_covered_val

constexpr amrex::Real hydro_covered_val = amrex::Real(1.0e40)

staticconstexpr

small_vel

small_vel = amrex::Real(1.e-8)

staticconstexpr

What we consider a ~zero velocity when upwinding.