CVolumetricMovement Class Reference

Class for moving the volumetric numerical grid. More...

#include <grid_movement_structure.hpp>

Inheritance diagram for CVolumetricMovement:

Public Member Functions
	CVolumetricMovement (CGeometry *geometry, CConfig *config)
	Constructor of the class.
	~CVolumetricMovement (void)
	Destructor of the class.
void	UpdateGridCoord (CGeometry *geometry, CConfig *config)
	Update the value of the coordinates after the grid movement. More...
void	UpdateDualGrid (CGeometry *geometry, CConfig *config)
	Update the dual grid after the grid movement (edges and control volumes). More...
void	UpdateMultiGrid (CGeometry **geometry, CConfig *config)
	Update the coarse multigrid levels after the grid movement. More...
su2double	SetFEAMethodContributions_Elem (CGeometry *geometry, CConfig *config)
	Compute the stiffness matrix for grid deformation using spring analogy. More...
void	SetFEA_StiffMatrix3D (CGeometry *geometry, CConfig *config, su2double **StiffMatrix_Elem, unsigned long PointCorners[8], su2double CoordCorners[8][3], unsigned short nNodes, su2double ElemVolume, su2double ElemDistance)
	Build the stiffness matrix for a 3-D hexahedron element. The result will be placed in StiffMatrix_Elem. More...
void	SetFEA_StiffMatrix2D (CGeometry *geometry, CConfig *config, su2double **StiffMatrix_Elem, unsigned long PointCorners[8], su2double CoordCorners[8][3], unsigned short nNodes, su2double ElemVolume, su2double ElemDistance)
	Build the stiffness matrix for a 3-D hexahedron element. The result will be placed in StiffMatrix_Elem. More...
su2double	ShapeFunc_Hexa (su2double Xi, su2double Eta, su2double Zeta, su2double CoordCorners[8][3], su2double DShapeFunction[8][4])
	Shape functions and derivative of the shape functions. More...
su2double	ShapeFunc_Tetra (su2double Xi, su2double Eta, su2double Zeta, su2double CoordCorners[8][3], su2double DShapeFunction[8][4])
	Shape functions and derivative of the shape functions. More...
su2double	ShapeFunc_Pyram (su2double Xi, su2double Eta, su2double Zeta, su2double CoordCorners[8][3], su2double DShapeFunction[8][4])
	Shape functions and derivative of the shape functions. More...
su2double	ShapeFunc_Prism (su2double Xi, su2double Eta, su2double Zeta, su2double CoordCorners[8][3], su2double DShapeFunction[8][4])
	Shape functions and derivative of the shape functions. More...
su2double	ShapeFunc_Triangle (su2double Xi, su2double Eta, su2double CoordCorners[8][3], su2double DShapeFunction[8][4])
	Shape functions and derivative of the shape functions. More...
su2double	ShapeFunc_Quadrilateral (su2double Xi, su2double Eta, su2double CoordCorners[8][3], su2double DShapeFunction[8][4])
	Shape functions and derivative of the shape functions. More...
su2double	GetHexa_Volume (su2double CoordCorners[8][3])
	Compute the shape functions for hexahedron. More...
su2double	GetTetra_Volume (su2double CoordCorners[8][3])
	Compute the shape functions for hexahedron. More...
su2double	GetPrism_Volume (su2double CoordCorners[8][3])
	Compute the shape functions for hexahedron. More...
su2double	GetPyram_Volume (su2double CoordCorners[8][3])
	Compute the shape functions for hexahedron. More...
su2double	GetTriangle_Area (su2double CoordCorners[8][3])
	Compute the shape functions for hexahedron. More...
su2double	GetQuadrilateral_Area (su2double CoordCorners[8][3])
	Compute the shape functions for hexahedron. More...
void	AddFEA_StiffMatrix (CGeometry *geometry, su2double **StiffMatrix_Elem, unsigned long PointCorners[8], unsigned short nNodes)
	Add the stiffness matrix for a 2-D triangular element to the global stiffness matrix for the entire mesh (node-based). More...
void	ComputeDeforming_Element_Volume (CGeometry *geometry, su2double &MinVolume, su2double &MaxVolume)
	Check for negative volumes (all elements) after performing grid deformation. More...
void	ComputeDeforming_Wall_Distance (CGeometry *geometry, CConfig *config, su2double &MinDistance, su2double &MaxDistance)
	Compute the minimum distance to the nearest deforming surface. More...
void	SetBoundaryDisplacements (CGeometry *geometry, CConfig *config)
	Check the boundary vertex that are going to be moved. More...
void	SetDomainDisplacements (CGeometry *geometry, CConfig *config)
	Check the domain points vertex that are going to be moved. More...
void	Rigid_Rotation (CGeometry *geometry, CConfig *config, unsigned short iZone, unsigned long iter)
	Unsteady grid movement using rigid mesh rotation. More...
void	Rigid_Pitching (CGeometry *geometry, CConfig *config, unsigned short iZone, unsigned long iter)
	Unsteady pitching grid movement using rigid mesh motion. More...
void	Rigid_Plunging (CGeometry *geometry, CConfig *config, unsigned short iZone, unsigned long iter)
	Unsteady plunging grid movement using rigid mesh motion. More...
void	Rigid_Translation (CGeometry *geometry, CConfig *config, unsigned short iZone, unsigned long iter)
	Unsteady translational grid movement using rigid mesh motion. More...
void	SetVolume_Scaling (CGeometry *geometry, CConfig *config, bool UpdateGeo)
	Scale the volume grid by a multiplicative factor. More...
void	SetVolume_Translation (CGeometry *geometry, CConfig *config, bool UpdateGeo)
	Translate the volume grid by a specified displacement vector. More...
void	SetVolume_Rotation (CGeometry *geometry, CConfig *config, bool UpdateGeo)
	Rotate the volume grid around a specified axis and angle. More...
void	SetVolume_Deformation (CGeometry *geometry, CConfig *config, bool UpdateGeo, bool Derivative=false)
	Grid deformation using the spring analogy method. More...
void	SetBoundaryDerivatives (CGeometry *geometry, CConfig *config)
	Set the derivatives of the boundary nodes. More...
void	UpdateGridCoord_Derivatives (CGeometry *geometry, CConfig *config)
	Update the derivatives of the coordinates after the grid movement. More...
su2double	Determinant_3x3 (su2double A00, su2double A01, su2double A02, su2double A10, su2double A11, su2double A12, su2double A20, su2double A21, su2double A22)
	Compute the determinant of a 3 by 3 matrix. 3 by 3 matrix elements. More...
void	Set_nIterMesh (unsigned long val_nIterMesh)
	Store the number of iterations when moving the mesh. More...
unsigned long	Get_nIterMesh (void)
	Retrieve the number of iterations when moving the mesh. More...
Public Member Functions inherited from CGridMovement
	CGridMovement (void)
	Constructor of the class.
virtual	~CGridMovement (void)
	Destructor of the class.
virtual void	SetSurface_Deformation (CGeometry *geometry, CConfig *config)
	A pure virtual member. More...

Protected Attributes
unsigned short	nDim
	Number of dimensions.
unsigned short	nVar
	Number of variables.
unsigned long	nPoint
	Number of points.
unsigned long	nPointDomain
	Number of points in the domain.
unsigned long	nIterMesh
	Number of iterations in the mesh update. +.
CSysMatrix	StiffMatrix
	Matrix to store the point-to-point stiffness.
CSysVector	LinSysSol
CSysVector	LinSysRes

Detailed Description

Class for moving the volumetric numerical grid.

Author

F. Palacios, A. Bueno, T. Economon, S. Padron.

Version

5.0.0 "Raven"

Member Function Documentation

AddFEA_StiffMatrix()

void CVolumetricMovement::AddFEA_StiffMatrix	(	CGeometry *	geometry,
		su2double **	StiffMatrix_Elem,
		unsigned long	PointCorners[8],
		unsigned short	nNodes
	)

Add the stiffness matrix for a 2-D triangular element to the global stiffness matrix for the entire mesh (node-based).

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	StiffMatrix_Elem	- Element stiffness matrix to be filled.
[in]	PointCorners	- Index values for element corners
[in]	nNodes	- Number of nodes defining the element.

ComputeDeforming_Element_Volume()

void CVolumetricMovement::ComputeDeforming_Element_Volume	(	CGeometry *	geometry,
		su2double &	MinVolume,
		su2double &	MaxVolume
	)

Check for negative volumes (all elements) after performing grid deformation.

Parameters

[in]

geometry

- Geometrical definition of the problem.

ComputeDeforming_Wall_Distance()

void CVolumetricMovement::ComputeDeforming_Wall_Distance	(	CGeometry *	geometry,
		CConfig *	config,
		su2double &	MinDistance,
		su2double &	MaxDistance
	)

Compute the minimum distance to the nearest deforming surface.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

Determinant_3x3()

su2double CVolumetricMovement::Determinant_3x3 ( su2double  A00, su2double  A01, su2double  A02, su2double  A10, su2double  A11, su2double  A12, su2double  A20, su2double  A21, su2double  A22  )

inline

Compute the determinant of a 3 by 3 matrix. 3 by 3 matrix elements.

Parameters

[in]	A00
[in]	A01
[in]	A02
[in]	A10
[in]	A11
[in]	A12
[in]	A20
[in]	A21
[in]	A22

Returns

Determinant of the matrix

Get_nIterMesh()

unsigned long CVolumetricMovement::Get_nIterMesh ( void  )

inline

Retrieve the number of iterations when moving the mesh.

Parameters

[out]

Number

of iterations.

GetHexa_Volume()

su2double CVolumetricMovement::GetHexa_Volume

(

su2double

CoordCorners[8][3]

)

Compute the shape functions for hexahedron.

Parameters

[in]

CoordCorners

- coordinates of the cornes of the hexahedron.

GetPrism_Volume()

su2double CVolumetricMovement::GetPrism_Volume

(

su2double

CoordCorners[8][3]

)

Compute the shape functions for hexahedron.

Parameters

[in]

CoordCorners

- coordinates of the cornes of the hexahedron.

GetPyram_Volume()

su2double CVolumetricMovement::GetPyram_Volume

(

su2double

CoordCorners[8][3]

)

Compute the shape functions for hexahedron.

Parameters

[in]

CoordCorners

- coordinates of the cornes of the hexahedron.

GetQuadrilateral_Area()

su2double CVolumetricMovement::GetQuadrilateral_Area

(

su2double

CoordCorners[8][3]

)

Compute the shape functions for hexahedron.

Parameters

[in]

CoordCorners

- coordinates of the cornes of the hexahedron.

GetTetra_Volume()

su2double CVolumetricMovement::GetTetra_Volume

(

su2double

CoordCorners[8][3]

)

Compute the shape functions for hexahedron.

Parameters

[in]

CoordCorners

- coordinates of the cornes of the hexahedron.

GetTriangle_Area()

su2double CVolumetricMovement::GetTriangle_Area

(

su2double

CoordCorners[8][3]

)

Compute the shape functions for hexahedron.

Parameters

[in]

CoordCorners

- coordinates of the cornes of the hexahedron.

Rigid_Pitching()

void CVolumetricMovement::Rigid_Pitching	(	CGeometry *	geometry,
		CConfig *	config,
		unsigned short	iZone,
		unsigned long	iter
	)

Unsteady pitching grid movement using rigid mesh motion.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	iZone	- Zone number in the mesh.
[in]	iter	- Physical time iteration number.

Rigid_Plunging()

void CVolumetricMovement::Rigid_Plunging	(	CGeometry *	geometry,
		CConfig *	config,
		unsigned short	iZone,
		unsigned long	iter
	)

Unsteady plunging grid movement using rigid mesh motion.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	iZone	- Zone number in the mesh.
[in]	iter	- Physical time iteration number.

Rigid_Rotation()

void CVolumetricMovement::Rigid_Rotation	(	CGeometry *	geometry,
		CConfig *	config,
		unsigned short	iZone,
		unsigned long	iter
	)

Unsteady grid movement using rigid mesh rotation.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	iZone	- Zone number in the mesh.
[in]	iter	- Physical time iteration number.

Rigid_Translation()

void CVolumetricMovement::Rigid_Translation	(	CGeometry *	geometry,
		CConfig *	config,
		unsigned short	iZone,
		unsigned long	iter
	)

Unsteady translational grid movement using rigid mesh motion.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	iZone	- Zone number in the mesh.
[in]	iter	- Physical time iteration number.

Set_nIterMesh()

void CVolumetricMovement::Set_nIterMesh ( unsigned long  val_nIterMesh )

inline

Store the number of iterations when moving the mesh.

Parameters

[in]

val_nIterMesh

- Number of iterations.

SetBoundaryDerivatives()

void CVolumetricMovement::SetBoundaryDerivatives	(	CGeometry *	geometry,
		CConfig *	config
	)

Set the derivatives of the boundary nodes.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

SetBoundaryDisplacements()

void CVolumetricMovement::SetBoundaryDisplacements	(	CGeometry *	geometry,
		CConfig *	config
	)

Check the boundary vertex that are going to be moved.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

SetDomainDisplacements()

void CVolumetricMovement::SetDomainDisplacements	(	CGeometry *	geometry,
		CConfig *	config
	)

Check the domain points vertex that are going to be moved.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

SetFEA_StiffMatrix2D()

void CVolumetricMovement::SetFEA_StiffMatrix2D	(	CGeometry *	geometry,
		CConfig *	config,
		su2double **	StiffMatrix_Elem,
		unsigned long	PointCorners[8],
		su2double	CoordCorners[8][3],
		unsigned short	nNodes,
		su2double	ElemVolume,
		su2double	ElemDistance
	)

Build the stiffness matrix for a 3-D hexahedron element. The result will be placed in StiffMatrix_Elem.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	StiffMatrix_Elem	- Element stiffness matrix to be filled.
[in]	CoordCorners	- Index value for Node 1 of the current hexahedron.
[in]	PointCorners	- Index values for element corners
[in]	nNodes	- Number of nodes defining the element.
[in]	scale

SetFEA_StiffMatrix3D()

void CVolumetricMovement::SetFEA_StiffMatrix3D	(	CGeometry *	geometry,
		CConfig *	config,
		su2double **	StiffMatrix_Elem,
		unsigned long	PointCorners[8],
		su2double	CoordCorners[8][3],
		unsigned short	nNodes,
		su2double	ElemVolume,
		su2double	ElemDistance
	)

Build the stiffness matrix for a 3-D hexahedron element. The result will be placed in StiffMatrix_Elem.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	StiffMatrix_Elem	- Element stiffness matrix to be filled.
[in]	CoordCorners	- Index value for Node 1 of the current hexahedron.
[in]	PointCorners	- Index values for element corners
[in]	nNodes	- Number of nodes defining the element.
[in]	scale

SetFEAMethodContributions_Elem()

su2double CVolumetricMovement::SetFEAMethodContributions_Elem	(	CGeometry *	geometry,
		CConfig *	config
	)

Compute the stiffness matrix for grid deformation using spring analogy.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

Returns

Value of the length of the smallest edge of the grid.

SetVolume_Deformation()

void CVolumetricMovement::SetVolume_Deformation	(	CGeometry *	geometry,
		CConfig *	config,
		bool	UpdateGeo,
		bool	Derivative = false
	)

Grid deformation using the spring analogy method.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	UpdateGeo	- Update geometry.
[in]	Derivative	- Compute the derivative (disabled by default). Does not actually deform the grid if enabled.

SetVolume_Rotation()

void CVolumetricMovement::SetVolume_Rotation	(	CGeometry *	geometry,
		CConfig *	config,
		bool	UpdateGeo
	)

Rotate the volume grid around a specified axis and angle.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	UpdateGeo	- Update geometry.

SetVolume_Scaling()

void CVolumetricMovement::SetVolume_Scaling	(	CGeometry *	geometry,
		CConfig *	config,
		bool	UpdateGeo
	)

Scale the volume grid by a multiplicative factor.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	UpdateGeo	- Update geometry.

SetVolume_Translation()

void CVolumetricMovement::SetVolume_Translation	(	CGeometry *	geometry,
		CConfig *	config,
		bool	UpdateGeo
	)

Translate the volume grid by a specified displacement vector.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.
[in]	UpdateGeo	- Update geometry.

ShapeFunc_Hexa()

su2double CVolumetricMovement::ShapeFunc_Hexa	(	su2double	Xi,
		su2double	Eta,
		su2double	Zeta,
		su2double	CoordCorners[8][3],
		su2double	DShapeFunction[8][4]
	)

Shape functions and derivative of the shape functions.

Parameters

[in]	Xi	- Local coordinates.
[in]	Eta	- Local coordinates.
[in]	Zeta	- Local coordinates.
[in]	CoordCorners	- Coordiantes of the corners.
[in]	DShapeFunction	- Shape function information

ShapeFunc_Prism()

su2double CVolumetricMovement::ShapeFunc_Prism	(	su2double	Xi,
		su2double	Eta,
		su2double	Zeta,
		su2double	CoordCorners[8][3],
		su2double	DShapeFunction[8][4]
	)

Shape functions and derivative of the shape functions.

Parameters

[in]	Xi	- Local coordinates.
[in]	Eta	- Local coordinates.
[in]	Zeta	- Local coordinates.
[in]	CoordCorners	- Coordiantes of the corners.
[in]	DShapeFunction	- Shape function information

ShapeFunc_Pyram()

su2double CVolumetricMovement::ShapeFunc_Pyram	(	su2double	Xi,
		su2double	Eta,
		su2double	Zeta,
		su2double	CoordCorners[8][3],
		su2double	DShapeFunction[8][4]
	)

Shape functions and derivative of the shape functions.

Parameters

[in]	Xi	- Local coordinates.
[in]	Eta	- Local coordinates.
[in]	Zeta	- Local coordinates.
[in]	CoordCorners	- Coordiantes of the corners.
[in]	DShapeFunction	- Shape function information

ShapeFunc_Quadrilateral()

su2double CVolumetricMovement::ShapeFunc_Quadrilateral	(	su2double	Xi,
		su2double	Eta,
		su2double	CoordCorners[8][3],
		su2double	DShapeFunction[8][4]
	)

Shape functions and derivative of the shape functions.

Parameters

[in]	Xi	- Local coordinates.
[in]	Eta	- Local coordinates.
[in]	CoordCorners	- Coordiantes of the corners.
[in]	DShapeFunction	- Shape function information

ShapeFunc_Tetra()

su2double CVolumetricMovement::ShapeFunc_Tetra	(	su2double	Xi,
		su2double	Eta,
		su2double	Zeta,
		su2double	CoordCorners[8][3],
		su2double	DShapeFunction[8][4]
	)

Shape functions and derivative of the shape functions.

Parameters

[in]	Xi	- Local coordinates.
[in]	Eta	- Local coordinates.
[in]	Zeta	- Local coordinates.
[in]	CoordCorners	- Coordiantes of the corners.
[in]	DShapeFunction	- Shape function information

ShapeFunc_Triangle()

su2double CVolumetricMovement::ShapeFunc_Triangle	(	su2double	Xi,
		su2double	Eta,
		su2double	CoordCorners[8][3],
		su2double	DShapeFunction[8][4]
	)

Shape functions and derivative of the shape functions.

Parameters

[in]	Xi	- Local coordinates.
[in]	Eta	- Local coordinates.
[in]	CoordCorners	- Coordiantes of the corners.
[in]	DShapeFunction	- Shape function information

UpdateDualGrid()

void CVolumetricMovement::UpdateDualGrid	(	CGeometry *	geometry,
		CConfig *	config
	)

Update the dual grid after the grid movement (edges and control volumes).

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

UpdateGridCoord()

void CVolumetricMovement::UpdateGridCoord	(	CGeometry *	geometry,
		CConfig *	config
	)

Update the value of the coordinates after the grid movement.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

UpdateGridCoord_Derivatives()

void CVolumetricMovement::UpdateGridCoord_Derivatives	(	CGeometry *	geometry,
		CConfig *	config
	)

Update the derivatives of the coordinates after the grid movement.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

UpdateMultiGrid()

void CVolumetricMovement::UpdateMultiGrid	(	CGeometry **	geometry,
		CConfig *	config
	)

Update the coarse multigrid levels after the grid movement.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	config	- Definition of the particular problem.

---

The documentation for this class was generated from the following files:

• Common/include/grid_movement_structure.hpp
• Common/include/grid_movement_structure.inl
• Common/src/grid_movement_structure.cpp