Geometry Struct Reference¶

adc_cpp: pops::Geometry Struct Reference

adc_cpp 0.3.0

Model-free C++23 core for coupled hyperbolic-elliptic systems on adaptive (AMR) meshes, with MPI and GPU (Kokkos) backends

Cartesian geometry of a level: index domain + physical bounds [xlo, xhi] x [ylo, yhi]. More...

#include <geometry.hpp>

Collaboration diagram for pops::Geometry:

Public Member Functions
POPS_HD Real	dx () const
	Grid spacing in x (= (xhi - xlo) / domain.nx()). POPS_HD.

POPS_HD Real	dy () const
	Grid spacing in y (= (yhi - ylo) / domain.ny()). POPS_HD.

POPS_HD Real	x_cell (int i) const
	Abscissa at the CENTER of cell index i (i = 0 -> xlo + dx/2; defined for negative i). POPS_HD.

POPS_HD Real	y_cell (int j) const
	Ordinate at the CENTER of cell index j. POPS_HD.

Geometry	refine (int r) const
	Geometry refined by ratio r: SAME physical extent, refined index domain (dx -> dx/r).

Public Attributes
Box2D	domain {}

Real	xlo = 0

Real	xhi = 1

Real	ylo = 0

Real	yhi = 1

Detailed Description

Cartesian geometry of a level: index domain + physical bounds [xlo, xhi] x [ylo, yhi].

Trivial POD; POPS_HD accessors. Uniform cell size (dx = (xhi-xlo)/nx, same for dy).

Member Function Documentation

◆ dx()

POPS_HD Real pops::Geometry::dx ( ) const

inline

Grid spacing in x (= (xhi - xlo) / domain.nx()). POPS_HD.

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◆ dy()

POPS_HD Real pops::Geometry::dy ( ) const

inline

Grid spacing in y (= (yhi - ylo) / domain.ny()). POPS_HD.

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◆ refine()

Geometry pops::Geometry::refine ( int r ) const

inline

Geometry refined by ratio r: SAME physical extent, refined index domain (dx -> dx/r).

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◆ x_cell()

POPS_HD Real pops::Geometry::x_cell ( int i ) const

inline

Abscissa at the CENTER of cell index i (i = 0 -> xlo + dx/2; defined for negative i). POPS_HD.

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◆ y_cell()

POPS_HD Real pops::Geometry::y_cell ( int j ) const

inline

Ordinate at the CENTER of cell index j. POPS_HD.

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Member Data Documentation

◆ domain

Box2D pops::Geometry::domain {}

◆ xhi

Real pops::Geometry::xhi = 1

◆ xlo

Real pops::Geometry::xlo = 0

◆ yhi

Real pops::Geometry::yhi = 1

◆ ylo

Real pops::Geometry::ylo = 0

The documentation for this struct was generated from the following file:

include/pops/mesh/geometry/geometry.hpp