Collapsible channel domain. More...

#include <collapsible_channel_domain.h>

Inheritance diagram for oomph::CollapsibleChannelDomain:

Public Types
typedef double(*	BLSquashFctPt) (const double &s)
	Typedef for function pointer for function that squashes the macro elements near the wall to help resolution of any wall boundary layers. More...

typedef double(*	AxialSpacingFctPt) (const double &xi)
	Typedef for function pointer for function that implements axial spacing of macro elements. More...

Public Member Functions
	CollapsibleChannelDomain (const unsigned &nup, const unsigned &ncollapsible, const unsigned &ndown, const unsigned &ny, const double &lup, const double &lcollapsible, const double &ldown, const double &ly, GeomObject *wall_pt)
	Constructor: Pass the number of (macro-)elements, the domain lengths in the x- and y-direction and the pointer to the geometric object that specifies the shape of the "collapsible" segment. More...

	~CollapsibleChannelDomain ()
	Destructor: emtpy; cleanup done in base class. More...

unsigned	nup ()
	Number of vertical columns of macro elements the upstream section. More...

unsigned	ncollapsible ()
	Number of vertical clumns of macro elements in the "collapsible" segment. More...

unsigned	ndown ()
	Number of vertical columns of macro elements in the downstream section. More...

unsigned	ny ()
	Number of macro-elements across the channel. More...

double	l_up ()
	Length of upstream section. More...

double	l_collapsible ()
	Length of collapsible segment. More...

double	l_down ()
	Length of downstream section. More...

double	l_y ()
	Width of channel. More...

GeomObject *&	wall_pt ()
	Access to pointer to the geometric object that parametrises the collapsible wall. More...

GeomObject *	wall_pt () const
	Access to pointer to the geometric object that parametrises the collapsible wall (const version) More...

BLSquashFctPt &	bl_squash_fct_pt ()
	Function pointer for function that squashes the macro elements near wall. Default mapping (identity) leaves the y-coordinate of the nodal points unchanged. More...

double	s_squash (const double &s)
	Function that squashes the macro elements near the wall. Input argument should vary between 0 and 1; function should return stretched/squashed coordinate in the same range. Default implementation is the identity; can be overloaded by specifying a different function pointer with bl_squash_fct_pt(). More...

AxialSpacingFctPt &	axial_spacing_fct_pt ()
	Function pointer for function that implements axial spacing of macro elements. More...

double	axial_spacing_fct (const double &xi)
	Function that implements axial spacing of macro elements. More...

void	macro_element_boundary (const unsigned &t, const unsigned &imacro, const unsigned &idirect, const Vector< double > &zeta, Vector< double > &r)
	Vector representation of the imacro-th macro element boundary idirect (N/S/W/E) at time level t (t=0: present; t>0: previous): ${\bf r}({\bf zeta})$ Note that the local coordinate zeta is a 1D Vector rather than a scalar – this is unavoidable because this function implements the pure virtual function in the Domain base class. More...

void	enable_rotate_domain ()
	Rotate the domain (for axisymmetric problems) More...

void	disable_rotate_domain ()
	Undo rotation of the domain (for axisymmetric problems) More...

Static Public Member Functions
static double	default_BL_squash_fct (const double &s)
	Default for function that squashes the macro elements near the walls. Identity. More...

Private Member Functions
void	r_N_straight (const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro, const unsigned &part)
	Northern boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections. More...

void	r_W_straight (const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro, const unsigned &part)
	Western boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections. More...

void	r_S_straight (const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro, const unsigned &part)
	Southern boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections. More...

void	r_E_straight (const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro, const unsigned &part)
	Eastern boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections. More...

void	r_N_collapsible (const unsigned &t, const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro)
	Northern boundary of the macro element imacro in the collapsible section. More...

void	r_W_collapsible (const unsigned &t, const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro)
	Western boundary of the macro element imacro in the collapsible section. More...

void	r_S_collapsible (const unsigned &t, const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro)
	Southern boundary of the macro element imacro in the collapsible section. More...

void	r_E_collapsible (const unsigned &t, const Vector< double > &zeta, Vector< double > &r, const unsigned &imacro)
	Eastern boundary of the macro element imacro in the collapsible section. More...

Static Private Member Functions
static double	default_axial_spacing_fct (const double &xi)
	Default for function that implements axial spacing of macro elements. More...

Private Attributes
BLSquashFctPt	BL_squash_fct_pt
	Function pointer for function that squashes the macro elements near the walls. More...

AxialSpacingFctPt	Axial_spacing_fct_pt
	Function pointer for function that implements axial spacing of macro elements. More...

unsigned	Nup
	Number of vertical element columns in upstream section. More...

unsigned	Ncollapsible
	Number of vertical element columns in "collapsible" section. More...

unsigned	Ndown
	Number of vertical element columns in downstream section. More...

unsigned	Ny
	Number of macro elements across channel. More...

double	Lup
	x-length in the upstream part of the channel More...

double	Lcollapsible
	x-length in the "collapsible" part of the channel More...

double	Ldown
	x-length in the downstream part of the channel More...

double	Ly
	Width. More...

GeomObject *	Wall_pt
	Pointer to the geometric object that parametrises the collapsible wall. More...

bool	Rotate_domain
	Rotate domain (for axisymmetric problems, say) More...

Detailed Description

Collapsible channel domain.

Definition at line 40 of file collapsible_channel_domain.h.

Member Typedef Documentation

◆ AxialSpacingFctPt

typedef double(* oomph::CollapsibleChannelDomain::AxialSpacingFctPt) (const double &xi)

Typedef for function pointer for function that implements axial spacing of macro elements.

Definition at line 182 of file collapsible_channel_domain.h.

◆ BLSquashFctPt

typedef double(* oomph::CollapsibleChannelDomain::BLSquashFctPt) (const double &s)

Typedef for function pointer for function that squashes the macro elements near the wall to help resolution of any wall boundary layers.

Definition at line 152 of file collapsible_channel_domain.h.

Constructor & Destructor Documentation

◆ CollapsibleChannelDomain()

oomph::CollapsibleChannelDomain::CollapsibleChannelDomain	(	const unsigned &	nup,
		const unsigned &	ncollapsible,
		const unsigned &	ndown,
		const unsigned &	ny,
		const double &	lup,
		const double &	lcollapsible,
		const double &	ldown,
		const double &	ly,
		GeomObject *	wall_pt
	)

inline

Constructor: Pass the number of (macro-)elements, the domain lengths in the x- and y-direction and the pointer to the geometric object that specifies the shape of the "collapsible" segment.

Definition at line 47 of file collapsible_channel_domain.h.

References Lcollapsible, Ldown, Lup, Ly, ncollapsible(), Ncollapsible, ndown(), Ndown, nup(), Nup, ny(), Ny, wall_pt(), and Wall_pt.

◆ ~CollapsibleChannelDomain()

oomph::CollapsibleChannelDomain::~CollapsibleChannelDomain ( )

inline

Destructor: emtpy; cleanup done in base class.

Definition at line 83 of file collapsible_channel_domain.h.

Member Function Documentation

◆ axial_spacing_fct()

double oomph::CollapsibleChannelDomain::axial_spacing_fct ( const double & xi )

inline

Function that implements axial spacing of macro elements.

Definition at line 193 of file collapsible_channel_domain.h.

References Axial_spacing_fct_pt.

Referenced by r_E_straight(), r_N_straight(), r_S_straight(), and r_W_straight().

◆ axial_spacing_fct_pt()

AxialSpacingFctPt& oomph::CollapsibleChannelDomain::axial_spacing_fct_pt ( )

inline

Function pointer for function that implements axial spacing of macro elements.

Definition at line 186 of file collapsible_channel_domain.h.

References Axial_spacing_fct_pt.

Referenced by oomph::CollapsibleChannelMesh< ELEMENT >::axial_spacing_fct_pt().

◆ bl_squash_fct_pt()

BLSquashFctPt& oomph::CollapsibleChannelDomain::bl_squash_fct_pt ( )

inline

Function pointer for function that squashes the macro elements near wall. Default mapping (identity) leaves the y-coordinate of the nodal points unchanged.

Definition at line 165 of file collapsible_channel_domain.h.

References BL_squash_fct_pt.

Referenced by oomph::AlgebraicCollapsibleChannelMesh< ELEMENT >::AlgebraicCollapsibleChannelMesh(), and oomph::CollapsibleChannelMesh< ELEMENT >::bl_squash_fct_pt().

◆ default_axial_spacing_fct()

static double oomph::CollapsibleChannelDomain::default_axial_spacing_fct ( const double & xi )

inlinestaticprivate

Default for function that implements axial spacing of macro elements.

Definition at line 294 of file collapsible_channel_domain.h.

◆ default_BL_squash_fct()

static double oomph::CollapsibleChannelDomain::default_BL_squash_fct ( const double & s )

inlinestatic

Default for function that squashes the macro elements near the walls. Identity.

Definition at line 157 of file collapsible_channel_domain.h.

◆ disable_rotate_domain()

void oomph::CollapsibleChannelDomain::disable_rotate_domain ( )

inline

Undo rotation of the domain (for axisymmetric problems)

Definition at line 220 of file collapsible_channel_domain.h.

References Rotate_domain.

◆ enable_rotate_domain()

void oomph::CollapsibleChannelDomain::enable_rotate_domain ( )

inline

Rotate the domain (for axisymmetric problems)

Definition at line 214 of file collapsible_channel_domain.h.

References Rotate_domain.

◆ l_collapsible()

double oomph::CollapsibleChannelDomain::l_collapsible ( )

inline

Length of collapsible segment.

Definition at line 117 of file collapsible_channel_domain.h.

References Lcollapsible.

◆ l_down()

double oomph::CollapsibleChannelDomain::l_down ( )

inline

Length of downstream section.

Definition at line 123 of file collapsible_channel_domain.h.

References Ldown.

◆ l_up()

double oomph::CollapsibleChannelDomain::l_up ( )

inline

Length of upstream section.

Definition at line 111 of file collapsible_channel_domain.h.

References Lup.

◆ l_y()

double oomph::CollapsibleChannelDomain::l_y ( )

inline

Width of channel.

Definition at line 129 of file collapsible_channel_domain.h.

References Ly.

◆ macro_element_boundary()

void oomph::CollapsibleChannelDomain::macro_element_boundary	(	const unsigned &	t,
		const unsigned &	imacro,
		const unsigned &	idirect,
		const Vector< double > &	zeta,
		Vector< double > &	r
	)

Vector representation of the imacro-th macro element boundary idirect (N/S/W/E) at time level t (t=0: present; t>0: previous): ${\bf r}({\bf zeta})$ Note that the local coordinate zeta is a 1D Vector rather than a scalar – this is unavoidable because this function implements the pure virtual function in the Domain base class.

////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////

Vector representation of the imacro-th macro element boundary idirect (N/S/W/E) at time level t (t=0: present; t>0: previous): ${\bf r}({\bf zeta})$ Note that the local coordinate zeta is a 1D Vector rather than a scalar – this is unavoidable because this function implements the pure virtual function in the Domain base class.

Definition at line 345 of file collapsible_channel_domain.h.

References Ncollapsible, Ndown, Nup, r_E_collapsible(), r_E_straight(), r_N_collapsible(), r_N_straight(), r_S_collapsible(), r_S_straight(), r_W_collapsible(), r_W_straight(), and Rotate_domain.

◆ ncollapsible()

unsigned oomph::CollapsibleChannelDomain::ncollapsible ( )

inline

Number of vertical clumns of macro elements in the "collapsible" segment.

Definition at line 93 of file collapsible_channel_domain.h.

References Ncollapsible.

Referenced by CollapsibleChannelDomain().

◆ ndown()

unsigned oomph::CollapsibleChannelDomain::ndown ( )

inline

Number of vertical columns of macro elements in the downstream section.

Definition at line 99 of file collapsible_channel_domain.h.

References Ndown.

Referenced by CollapsibleChannelDomain().

◆ nup()

unsigned oomph::CollapsibleChannelDomain::nup ( )

inline

Number of vertical columns of macro elements the upstream section.

Definition at line 87 of file collapsible_channel_domain.h.

References Nup.

Referenced by CollapsibleChannelDomain().

◆ ny()

unsigned oomph::CollapsibleChannelDomain::ny ( )

inline

Number of macro-elements across the channel.

Definition at line 105 of file collapsible_channel_domain.h.

References Ny.

Referenced by CollapsibleChannelDomain().

◆ r_E_collapsible()

void oomph::CollapsibleChannelDomain::r_E_collapsible	(	const unsigned &	t,
		const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro
	)

private

Eastern boundary of the macro element imacro in the collapsible section.

Eastern edge of the macro element in the collapsible part of the channel; $\zeta \in [-1,1]$ .

Definition at line 742 of file collapsible_channel_domain.h.

References Lcollapsible, Lup, Ncollapsible, Ndown, Nup, Ny, s_squash(), and Wall_pt.

Referenced by macro_element_boundary().

◆ r_E_straight()

void oomph::CollapsibleChannelDomain::r_E_straight	(	const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro,
		const unsigned &	part
	)

private

Eastern boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections.

Eastern edge of the macro element in the straight parts of the channel; $\zeta \in [-1,1]$ part=0 in the upstream part, part=1 in the downstream part.

Definition at line 544 of file collapsible_channel_domain.h.

References axial_spacing_fct(), Lcollapsible, Ldown, Lup, Ly, Ncollapsible, Ndown, Nup, Ny, and s_squash().

Referenced by macro_element_boundary().

◆ r_N_collapsible()

void oomph::CollapsibleChannelDomain::r_N_collapsible	(	const unsigned &	t,
		const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro
	)

private

Northern boundary of the macro element imacro in the collapsible section.

Northern edge of the macro element in the collapsible part of the channel; $\zeta \in [-1,1]$ .

Definition at line 778 of file collapsible_channel_domain.h.

References Lcollapsible, Lup, Ncollapsible, Ndown, Nup, Ny, s_squash(), and Wall_pt.

Referenced by macro_element_boundary().

◆ r_N_straight()

void oomph::CollapsibleChannelDomain::r_N_straight	(	const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro,
		const unsigned &	part
	)

private

Northern boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections.

Northern edge of the macro element in the straight parts of the channel; $\zeta \in [-1,1]$ part=0 in the left part, part=1 in the right part.

Definition at line 596 of file collapsible_channel_domain.h.

References axial_spacing_fct(), Lcollapsible, Ldown, Lup, Ly, Ncollapsible, Ndown, Nup, Ny, and s_squash().

Referenced by macro_element_boundary().

◆ r_S_collapsible()

void oomph::CollapsibleChannelDomain::r_S_collapsible	(	const unsigned &	t,
		const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro
	)

private

Southern boundary of the macro element imacro in the collapsible section.

Southern edge of the macro element in the collapsible part of the channel; $\zeta \in [-1,1]$ .

Definition at line 815 of file collapsible_channel_domain.h.

References Lcollapsible, Lup, Ncollapsible, Ndown, Nup, Ny, s_squash(), and Wall_pt.

Referenced by macro_element_boundary().

◆ r_S_straight()

void oomph::CollapsibleChannelDomain::r_S_straight	(	const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro,
		const unsigned &	part
	)

private

Southern boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections.

Southern edge of the macro element in the straight parts of the channel; $\zeta \in [-1,1]$ part=0 in the left part, part=1 in the right part.

Definition at line 652 of file collapsible_channel_domain.h.

References axial_spacing_fct(), Lcollapsible, Ldown, Lup, Ly, Ncollapsible, Ndown, Nup, Ny, and s_squash().

Referenced by macro_element_boundary().

◆ r_W_collapsible()

void oomph::CollapsibleChannelDomain::r_W_collapsible	(	const unsigned &	t,
		const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro
	)

private

Western boundary of the macro element imacro in the collapsible section.

Western edge of the macro element in the collapsible part of the channel; $\zeta \in [-1,1]$ .

Definition at line 706 of file collapsible_channel_domain.h.

References Lcollapsible, Lup, Ncollapsible, Ndown, Nup, Ny, s_squash(), and Wall_pt.

Referenced by macro_element_boundary().

◆ r_W_straight()

void oomph::CollapsibleChannelDomain::r_W_straight	(	const Vector< double > &	zeta,
		Vector< double > &	r,
		const unsigned &	imacro,
		const unsigned &	part
	)

private

Western boundary of the macro element imacro in the upstream (part=0) or downstream (part=1) sections.

Western edge of the macro element in the upstream (part=0) or downstream (part=1) parts of the channel; $\zeta \in [-1,1]$ .

Definition at line 492 of file collapsible_channel_domain.h.

References axial_spacing_fct(), Lcollapsible, Ldown, Lup, Ly, Ncollapsible, Ndown, Nup, Ny, and s_squash().

Referenced by macro_element_boundary().

◆ s_squash()

double oomph::CollapsibleChannelDomain::s_squash ( const double & s )

inline

Function that squashes the macro elements near the wall. Input argument should vary between 0 and 1; function should return stretched/squashed coordinate in the same range. Default implementation is the identity; can be overloaded by specifying a different function pointer with bl_squash_fct_pt().

Definition at line 175 of file collapsible_channel_domain.h.

References BL_squash_fct_pt.

Referenced by r_E_collapsible(), r_E_straight(), r_N_collapsible(), r_N_straight(), r_S_collapsible(), r_S_straight(), r_W_collapsible(), and r_W_straight().