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An Object Oriented Finite Element Library

To manipulate structured grids. More...

#include <Grid.h>

Public Member Functions

 Grid ()
 Construct a default grid with 10 intervals in each direction.
 
 Grid (real_t xm, real_t xM, size_t npx)
 Construct a 1-D structured grid given its extremal coordinates and number of intervals. More...
 
 Grid (real_t xm, real_t xM, real_t ym, real_t yM, size_t npx, size_t npy)
 Construct a 2-D structured grid given its extremal coordinates and number of intervals. More...
 
 Grid (Point< real_t > m, Point< real_t > M, size_t npx, size_t npy)
 Construct a 2-D structured grid given its extremal coordinates and number of intervals. More...
 
 Grid (real_t xm, real_t xM, real_t ym, real_t yM, real_t zm, real_t zM, size_t npx, size_t npy, size_t npz)
 Construct a 3-D structured grid given its extremal coordinates and number of intervals. More...
 
 Grid (Point< real_t > m, Point< real_t > M, size_t npx, size_t npy, size_t npz)
 Construct a 3-D structured grid given its extremal coordinates and number of intervals. More...
 
 ~Grid ()
 Destructor.
 
void setXMin (const Point< real_t > &x)
 Set min. coordinates of the domain. More...
 
void setXMax (const Point< real_t > &x)
 
void setDomain (real_t xmin, real_t xmax)
 Set Dimensions of the domain: 1-D case. More...
 
void setDomain (real_t xmin, real_t xmax, real_t ymin, real_t ymax)
 Set Dimensions of the domain: 2-D case. More...
 
void setDomain (real_t xmin, real_t xmax, real_t ymin, real_t ymax, real_t zmin, real_t zmax)
 Set Dimensions of the domain: 3-D case. More...
 
void setDomain (Point< real_t > xmin, Point< real_t > xmax)
 Set Dimensions of the domain: 3-D case. More...
 
const Point< real_t > & getXMin () const
 Return min. Coordinates of the domain.
 
const Point< real_t > & getXMax () const
 Return max. Coordinates of the domain.
 
void setN (size_t nx, size_t ny=0, size_t nz=0)
 Set number of grid intervals in the x, y and z-directions. More...
 
void setNbDOF (size_t n)
 Set number of degrees of freedom for a node [Default: 1].
 
size_t getNx () const
 Return number of grid intervals in the x-direction.
 
size_t getNy () const
 Return number of grid intervals in the y-direction. More...
 
size_t getNz () const
 Return number of grid intervals in the z-direction. More...
 
real_t getHx () const
 Return grid size in the x-direction.
 
real_t getHy () const
 Return grid size in the y-direction.
 
real_t getHz () const
 Return grid size in the z-direction.
 
Point< real_tgetCoord (size_t i) const
 Return coordinates a point with label i in a 1-D grid.
 
Point< real_tgetCoord (size_t i, size_t j) const
 Return coordinates a point with label (i,j) in a 2-D grid.
 
Point< real_tgetCoord (size_t i, size_t j, size_t k) const
 Return coordinates a point with label (i,j,k) in a 3-D grid.
 
size_t getNbNodes () const
 Return total number of grid nodes.
 
size_t getNbDOF () const
 Return total number of dof.
 
real_t getX (size_t i) const
 Return x-coordinate of point with index i
 
real_t getY (size_t j) const
 Return y-coordinate of point with index j
 
real_t getZ (size_t k) const
 Return z-coordinate of point with index k
 
Point2D< real_tgetXY (size_t i, size_t j) const
 Return coordinates of point with indices (i,j)
 
Point< real_tgetXYZ (size_t i, size_t j, size_t k) const
 Return coordinates of point with indices (i,j,k)
 
real_t getCenter (size_t i) const
 Return coordinates of center of a 1-D cell with indices i, i+1
 
Point< real_tgetCenter (size_t i, size_t j) const
 Return coordinates of center of a 2-D cell with indices (i,j), (i+1,j), (i+1,j+1), (i,j+1)
 
Point< real_tgetCenter (size_t i, size_t j, size_t k) const
 Return coordinates of center of a 3-D cell with indices (i,j,k), (i+1,j,k), (i+1,j+1,k), (i,j+1,k), (i,j,k+1), (i+1,j,k+1), (i+1,j+1,k+1), (i,j+1,k+1)
 
void setCode (string exp, int code)
 Set a code for some grid points. More...
 
void setCode (int side, int code)
 Set a code for grid points on sides. More...
 
int getCode (int side) const
 Return code for a side number. More...
 
int getCode (size_t i, size_t j) const
 Return code for a grid point. More...
 
int getCode (size_t i, size_t j, size_t k) const
 Return code for a grid point. More...
 
size_t getDim () const
 Return space dimension.
 
void Deactivate (size_t i)
 Change state of a cell from active to inactive (1-D grid) More...
 
void Deactivate (size_t i, size_t j)
 Change state of a cell from active to inactive (2-D grid) More...
 
void Deactivate (size_t i, size_t j, size_t k)
 Change state of a cell from active to inactive (2-D grid) More...
 
int isActive (size_t i) const
 Say if cell is active or not (1-D grid) More...
 
int isActive (size_t i, size_t j) const
 Say if cell is active or not (2-D grid) More...
 
int isActive (size_t i, size_t j, size_t k) const
 Say if cell is active or not (3-D grid) More...
 

Detailed Description

To manipulate structured grids.

Author
Rachid Touzani





Copyright © 1998-2022 Rachid Touzani