IFEM  90A354
SplineFields2D.h
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1 // $Id$
2 //==============================================================================
12 //==============================================================================
13 
14 #ifndef _SPLINE_FIELDS_2D_H
15 #define _SPLINE_FIELDS_2D_H
16 
17 #include "Fields.h"
18 
19 class ASMs2D;
20 
21 namespace Go {
22  class SplineSurface;
23 }
24 
25 
33 class SplineFields2D : public Fields
34 {
35 public:
42  SplineFields2D(const ASMs2D* patch, const RealArray& v,
43  char basis = 1, int nf = 0, const char* name = nullptr);
44 
50  SplineFields2D(const Go::SplineSurface* srf, const RealArray& v, int ncmp,
51  const char* name = nullptr);
52 
54  virtual ~SplineFields2D() {}
55 
56  // Methods to evaluate the field
57  //==============================
58 
62  virtual bool valueNode(size_t node, Vector& vals) const;
63 
67  virtual bool valueFE(const ItgPoint& x, Vector& vals) const;
68 
72  virtual bool valueCoor(const Vec4& x, Vector& vals) const;
73 
77  virtual bool gradFE(const ItgPoint& x, Matrix& grad) const;
78 
82  virtual bool hessianFE(const ItgPoint& x, Matrix3D& H) const;
83 
84 protected:
85  const Go::SplineSurface* basis;
86  const Go::SplineSurface* surf;
87 
88 private:
89  unsigned char nsd;
90 };
91 
92 #endif
Base class for vector fields.
std::vector< Real > RealArray
A real-valued array without algebraic operations.
Definition: ImmersedBoundaries.h:29
Driver for assembly of structured 2D spline FE models.
Definition: ASMs2D.h:39
Base class for vector fields.
Definition: Fields.h:35
unsigned char nf
Number of field components.
Definition: Fields.h:101
Class representing an integration point.
Definition: ItgPoint.h:25
Class for spline-based finite element vector fields in 2D.
Definition: SplineFields2D.h:34
const Go::SplineSurface * surf
Spline geometry description.
Definition: SplineFields2D.h:86
virtual bool valueCoor(const Vec4 &x, Vector &vals) const
Computes the value at a given global coordinate.
Definition: SplineFields2D.C:108
virtual ~SplineFields2D()
Empty destructor.
Definition: SplineFields2D.h:54
SplineFields2D(const ASMs2D *patch, const RealArray &v, char basis=1, int nf=0, const char *name=nullptr)
The constructor sets the number of space dimensions and fields.
Definition: SplineFields2D.C:25
virtual bool hessianFE(const ItgPoint &x, Matrix3D &H) const
Computes the hessian for a given local coordinate.
Definition: SplineFields2D.C:144
unsigned char nsd
Number of space dimensions.
Definition: SplineFields2D.h:89
virtual bool gradFE(const ItgPoint &x, Matrix &grad) const
Computes the gradient for a given local coordinate.
Definition: SplineFields2D.C:123
const Go::SplineSurface * basis
Spline basis description.
Definition: SplineFields2D.h:85
virtual bool valueFE(const ItgPoint &x, Vector &vals) const
Computes the value at a given local coordinate.
Definition: SplineFields2D.C:85
virtual bool valueNode(size_t node, Vector &vals) const
Computes the value in a given node/control point.
Definition: SplineFields2D.C:75
Simple class for representing a point in 3D space and time.
Definition: Vec3.h:209
A vector class with some added algebraic operations.
Definition: matrix.h:64