single_layer_cubic_spine_mesh.template.h
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26#ifndef OOMPH_SINGLE_LAYER_CUBIC_SPINE_MESH_HEADER
27#define OOMPH_SINGLE_LAYER_CUBIC_SPINE_MESH_HEADER
28
29// oomph-lib includes
30#include "../generic/spines.h"
32
33namespace oomph
34{
35 //======================================================================
36 /// Spine mesh class derived from standard cubic 3D mesh.
37 /// The mesh contains a layer of spinified fluid elements (of type ELEMENT;
38 /// e.g SpineElement<QCrouzeixRaviartElement<3>)
39 /// for 3D problems, in which the interface's vertical position can vary
40 ///
41 /// This mesh has been carefully designed so that the
42 /// numeration of the nodes on the boundaries 0 and 5 (bottom and top)
43 /// coincides with the numeration of the spines
44 //======================================================================
45 template<class ELEMENT>
47 public SpineMesh
48 {
49 public:
50 /// Constructor: Pass number of elements in x-direction, number of
51 /// elements in y-direction, number of elements in z-direction,
52 /// lengths in x- and y- directions, height of layer, and pointer
53 /// to timestepper (defaults to Steady timestepper)
55 const unsigned& nx,
56 const unsigned& ny,
57 const unsigned& nz,
58 const double& lx,
59 const double& ly,
60 const double& h,
61 TimeStepper* time_stepper_pt = &Mesh::Default_TimeStepper);
62
63 /// General node update function implements pure virtual function
64 /// defined in SpineMesh base class and performs specific node update
65 /// actions: along vertical spines
66 virtual void spine_node_update(SpineNode* spine_node_pt)
67 {
68 // Get fraction along the spine
69 double W = spine_node_pt->fraction();
70 // Get spine height
71 double H = spine_node_pt->h();
72 // Set the value of z
73 spine_node_pt->x(2) = this->Zmin + W * H;
74 }
75
76 protected:
77 /// Helper function to actually build the single-layer spine mesh
78 /// (called from various constructors)
79 virtual void build_single_layer_mesh(TimeStepper* time_stepper_pt);
80 };
81
82} // namespace oomph
83
84#endif
static Steady< 0 > Default_TimeStepper
Default Steady Timestepper, to be used in default arguments to Mesh constructors.
Definition: mesh.h:75
double & x(const unsigned &i)
Return the i-th nodal coordinate.
Definition: nodes.h:1060
Simple cubic 3D Brick mesh class.
const unsigned & nx() const
Access function for number of elements in x directions.
const unsigned & nz() const
Access function for number of elements in y directions.
const unsigned & ny() const
Access function for number of elements in y directions.
double Zmin
Minimum value of z coordinate.
Spine mesh class derived from standard cubic 3D mesh. The mesh contains a layer of spinified fluid el...
virtual void spine_node_update(SpineNode *spine_node_pt)
General node update function implements pure virtual function defined in SpineMesh base class and per...
virtual void build_single_layer_mesh(TimeStepper *time_stepper_pt)
Helper function to actually build the single-layer spine mesh (called from various constructors)
SingleLayerCubicSpineMesh(const unsigned &nx, const unsigned &ny, const unsigned &nz, const double &lx, const double &ly, const double &h, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
Constructor: Pass number of elements in x-direction, number of elements in y-direction,...
/////////////////////////////////////////////////////////////////////// /////////////////////////////...
Definition: spines.h:613
Class for nodes that live on spines. The assumption is that each Node lies at a fixed fraction on a s...
Definition: spines.h:328
double & fraction()
Set reference to fraction along spine.
Definition: spines.h:378
double & h()
Access function to spine height.
Definition: spines.h:397
////////////////////////////////////////////////////////////////////// //////////////////////////////...
Definition: timesteppers.h:231
//////////////////////////////////////////////////////////////////// ////////////////////////////////...