This function generates a grid for a cathode including gas diffusion and catalyst layers. More...

#include <geometries.h>

Inheritance diagram for FuelCellShop::Geometry::Cathode< dim >:

Collaboration diagram for FuelCellShop::Geometry::Cathode< dim >:

Public Member Functions
	Cathode (const bool create_replica)
	PROTOTYPE constructor.

virtual void	generate_grid (Triangulation< dim > &triangulation) const
	This function generates the cathode side of the PEMFC grid including gas diffusion and catalyst layers.

virtual unsigned int	get_material_id (const std::string) const
	Return material id.

Public Member Functions inherited from FuelCellShop::Geometry::GridBase< dim >
unsigned int	get_material_id (ParameterHandler &param, const std::string material) const
	Return material id.

unsigned int	get_boundary_id (ParameterHandler &param, const std::string boundary) const
	Return boundary id.

unsigned int	get_boundary_id (const std::string) const
	Return boundary id.

void	output_grid (const Triangulation< dim > &triangulation, const std::string filename) const
	Output the grid.

void	refine_area (Triangulation< dim > &triangulation, const unsigned int material_id)
	Refine a certain part of the grid depending on material_ID given.

std::string	get_mesh_type ()
	Return the type of mesh that is being used.

double	L_channel_c ()
	Return the Width of the cathode gas channel.

double	L_land_c ()
	Return the Width of the cathode current collector.

double	L_gdl_c ()
	Return the Thickness of the cathode gas diffusion layer.

double	L_cat_c ()
	Return the thickness of the cathode catalyst layer.

double	L_mpl_c ()
	Return the Thickness of the cathode microporous layer.

double	L_mem ()
	Return the Thickness of the membrane.

double	L_cat_a ()
	Return the Thickness of the anode catalyst layer.

double	L_mpl_a ()
	Return the Thickness of the anode microporous layer.

double	L_gdl_a ()
	Return the Thickness of the anode gas diffusion layer.

double	L_channel_a ()
	Return the Width of the anode gas channel.

double	L_land_a ()
	Return the Width of the anode current collector.

Static Public Attributes
static const std::string	concrete_name
	Concrete name of object.

Protected Member Functions
	Cathode ()
	Default constructor.

Instance Delivery (function)
virtual boost::shared_ptr < FuelCellShop::Geometry::GridBase < dim > >	create_replica ()
	This member function is used to create an object of type micro porous layer.

Protected Member Functions inherited from FuelCellShop::Geometry::GridBase< dim >
	GridBase ()
	Constructor.

virtual	~GridBase ()
	Destructor.

void	initialize (ParameterHandler &param)

void	print_material_id_and_boundary_id (const Triangulation< dim > &triangulation) const

Static Protected Attributes
Instance Delivery (Data member)
static Cathode< dim > const *	PROTOTYPE
	Create prototype for the layer.

Additional Inherited Members
Static Public Member Functions inherited from FuelCellShop::Geometry::GridBase< dim >
static void	declare_GridGenerator_parameters (ParameterHandler &param)
	Function used to declare all the data necessary in the parameter files for all GridBase children.

static void	set_GridGenerator_parameters (const std::vector< std::string > &name_dvar, const std::vector< double > &value_dvar, ParameterHandler &param)
	Used for optimization.

static boost::shared_ptr < FuelCellShop::Geometry::GridBase < dim > >	create_GridGenerator (ParameterHandler &param)

Public Attributes inherited from FuelCellShop::Geometry::GridBase< dim >
bool	read_from_file

Protected Types inherited from FuelCellShop::Geometry::GridBase< dim >
typedef std::map< std::string, GridBase< dim > * >	_mapFactory
	This object is used to store all objects of type GasDiffusionLayer.

Static Protected Member Functions inherited from FuelCellShop::Geometry::GridBase< dim >
static _mapFactory *	get_mapFactory ()

Protected Attributes inherited from FuelCellShop::Geometry::GridBase< dim >
std::string	mesh_type_name
	Specify if you would like to load a mesh from file or if you would like a module from the mesh generator Options: File \| Cathode \| Anode \| CathodeMPL \| Pemfc \| PemfcMPL.

std::string	mesh_name
	Name of the mesh file.

std::string	mesh_type
	Specify if it is a UNV file, MSH file, etc.

unsigned int	num_refine
	Initial number of refinements.

double	l_channel_c
	Width of the cathode gas channel.

double	l_land_c
	Width of the cathode current collector.

double	l_gdl_c
	Thickness of the cathode gas diffusion layer.

double	l_mpl_c
	Thickness of the cathode microporous layer.

double	l_cat_c
	Thickness of the cathode catalyst layer.

double	l_mem
	Thickness of the membrane.

double	l_cat_a
	Thickness of the anode catalyst layer.

double	l_mpl_a
	Thickness of the anode microporous layer.

double	l_gdl_a
	Thickness of the anode gas diffusion layer.

double	l_channel_a
	Width of the anode gas channel.

double	l_land_a
	Width of the anode current collector.

unsigned int	num_vert
	Number of cells tall the initial grid.

unsigned int	num_c_GDL
	Number of cells wide cathode gas diffusion layer.

unsigned int	num_c_MPL
	Number of cells wide cathode microporous layer.

unsigned int	num_c_CL
	Number of cells wide cathode catalyst layer.

unsigned int	num_membrane
	Number of cells wide membrane layer.

unsigned int	num_a_CL
	Number of cells wide anode catalyst layer.

unsigned int	num_a_MPL
	Number of cells wide anode microporous layer.

unsigned int	num_a_GDL
	Number of cells wide anode gas diffusion layer.

unsigned int	test_mid
	Material id for test cell (GridTest app)

unsigned int	c_CC_mid
	Material id cathode current collector.

unsigned int	c_GC_mid
	Material id cathode gas channel.

unsigned int	c_GDL_mid
	Material id cathode GDL.

unsigned int	c_MPL_mid
	Material id cathode MPL.

unsigned int	c_CL_mid
	Material id cathode catalyst layer.

unsigned int	membrane_mid
	Material id membrane.

unsigned int	a_CL_mid
	Material id anode catalyst layer.

unsigned int	a_MPL_mid
	Material id anode MPL.

unsigned int	a_GDL_mid
	Material id anode GDL.

unsigned int	a_CC_mid
	Material id anode current collector.

unsigned int	a_GC_mid
	Material id anode gas channel.

unsigned int	c_Ch_GDL_bid
	Boundary id cathode channel and GDL.

unsigned int	c_BPP_GDL_bid
	Boundary id cathode BPP and GDL.

unsigned int	c_GDL_CL_bid
	Boundary id cathode GDL and CL.

unsigned int	c_CL_Membrane_bid
	Boundary id cathode CL and membrane.

unsigned int	c_GDL_MPL_bid
	Boundary id cathode GDL and MPL.

unsigned int	c_MPL_CL_bid
	Boundary id cathode MPL and CL.

unsigned int	a_Membrane_CL_bid
	Boundary id anode membrane and CL.

unsigned int	a_CL_GDL_bid
	Boundary id anode CL and GDL.

unsigned int	a_GDL_BPP_bid
	Boundary id anode GDL and BPP.

unsigned int	a_GDL_Ch_bid
	Boundary id anode GDL and channel.

unsigned int	a_MPL_GDL_bid
	Boundary id anode GDL and MPL.

unsigned int	a_CL_MPL_bid
	Boundary id anode MPL and CL.

double	r_agg
	Agglomerate radius.

double	delta_agg
	Electrolyte thin film thickness.

unsigned int	r_agg_mid
	Porous Agglomerate Material ID.

unsigned int	delta_agg_mid
	Electrolyte Thin Film Material ID.

unsigned int	r_delta_bid
	Boundary ID for agglomerate/thin film boundary.

unsigned int	delta_bid
	Boundary ID for thin film external boundary.

Point< dim >	center
	Centre point of the circular/spherical domain.

Detailed Description

template<int dim>
class FuelCellShop::Geometry::Cathode< dim >

This function generates a grid for a cathode including gas diffusion and catalyst layers.

The grid contains all material IDs and boundary IDs and default values are shown below in the generate_grid() function.

Constructor & Destructor Documentation

template<int dim>

FuelCellShop::Geometry::Cathode< dim >::Cathode ( const bool create_replica )

inline

PROTOTYPE constructor.

Warning: For internal use only. Use create_GridGenerator instead.

References FuelCellShop::Geometry::Cathode< dim >::concrete_name, and FuelCellShop::Geometry::GridBase< dim >::get_mapFactory().

Here is the call graph for this function:

template<int dim>

FuelCellShop::Geometry::Cathode< dim >::Cathode ( )

inlineprotected

Default constructor.

Member Function Documentation

template<int dim>

virtual boost::shared_ptr<FuelCellShop::Geometry::GridBase<dim> > FuelCellShop::Geometry::Cathode< dim >::create_replica ( )

inlineprotectedvirtual

This member function is used to create an object of type micro porous layer.

Warning: This class MUST be redeclared in every child.

Reimplemented from FuelCellShop::Geometry::GridBase< dim >.

template<int dim>

virtual void FuelCellShop::Geometry::Cathode< dim >::generate_grid ( Triangulation< dim > & triangulation ) const

virtual

This function generates the cathode side of the PEMFC grid including gas diffusion and catalyst layers.

The grid contains all material IDs and boundary IDs and default values are shown below Material ID

Cathode GDL 2
Cathode CL 4

Boundary ID

Cathode GDL/BPP 1
Cathode GDL/Gas Channel 2
Cathode GDL/CL 3
Cathode CL/Membrane 4
Symmetric 0

NOTE: IF YOU DON'T WANT TO USE A BOUNDARY SET IT TO 255

Schematic | | |

BID 2
GDL	CL

MID | 2 | 4 | | | | BID 1 3 4 | | | Anode

Lengths

Anode GDL 2.0E-2cm
Anode CL 1.0E-3cm

Cells :

6 cells tall
Anode GDL 4 cells wide
Anode CL 1 cell wide

Note: to automatically refine the grid after grid creation set the number of initial refeinements parameter

Reimplemented from FuelCellShop::Geometry::GridBase< dim >.

template<int dim>

virtual unsigned int FuelCellShop::Geometry::Cathode< dim >::get_material_id ( const std::string ) const

virtual

Return material id.

Reimplemented from FuelCellShop::Geometry::GridBase< dim >.