IFEM  90A354
SplineField2D.h
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1 // $Id$
2 //==============================================================================
12 //==============================================================================
13 
14 #ifndef _SPLINE_FIELD_2D_H
15 #define _SPLINE_FIELD_2D_H
16 
17 #include "FieldBase.h"
18 
19 class ASMs2D;
20 
21 namespace Go {
22  class SplineSurface;
23 }
24 
25 
33 class SplineField2D : public FieldBase
34 {
35 public:
42  SplineField2D(const ASMs2D* patch, const RealArray& v,
43  char basis = 1, char cmp = 1, const char* name = nullptr);
48  SplineField2D(const Go::SplineSurface* srf, const RealArray& v,
49  const char* name = nullptr);
51  virtual ~SplineField2D() {}
52 
53  // Methods to evaluate the field
54  //==============================
55 
58  virtual double valueNode(size_t node) const;
59 
62  virtual double valueFE(const ItgPoint& x) const;
63 
66  virtual double valueCoor(const Vec4& x) const;
67 
71  virtual bool valueGrid(RealArray& val, const int* npe) const;
72 
76  virtual bool gradFE(const ItgPoint& x, Vector& grad) const;
77 
81  virtual bool hessianFE(const ItgPoint& x, Matrix& H) const;
82 
83 protected:
84  const Go::SplineSurface* basis;
85  const Go::SplineSurface* surf;
86 
87 private:
88  unsigned char nsd;
89 };
90 
91 #endif
Base class for scalar 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 scalar fields.
Definition: FieldBase.h:30
Class representing an integration point.
Definition: ItgPoint.h:25
Class for spline-based finite element scalar fields in 2D.
Definition: SplineField2D.h:34
virtual ~SplineField2D()
Empty destructor.
Definition: SplineField2D.h:51
const Go::SplineSurface * basis
Spline basis description.
Definition: SplineField2D.h:84
virtual double valueCoor(const Vec4 &x) const
Computes the value at a given global coordinate.
Definition: SplineField2D.C:97
virtual double valueNode(size_t node) const
Computes the value in a given node/control point.
Definition: SplineField2D.C:70
SplineField2D(const ASMs2D *patch, const RealArray &v, char basis=1, char cmp=1, const char *name=nullptr)
The constructor sets the number of space dimensions and fields.
Definition: SplineField2D.C:28
const Go::SplineSurface * surf
Spline geometry description.
Definition: SplineField2D.h:85
virtual bool gradFE(const ItgPoint &x, Vector &grad) const
Computes the gradient for a given local coordinate.
Definition: SplineField2D.C:167
virtual bool hessianFE(const ItgPoint &x, Matrix &H) const
Computes the hessian for a given local coordinate.
Definition: SplineField2D.C:189
unsigned char nsd
Number of space dimensions.
Definition: SplineField2D.h:88
virtual bool valueGrid(RealArray &val, const int *npe) const
Computes the value at a grid of visualization points.
Definition: SplineField2D.C:112
virtual double valueFE(const ItgPoint &x) const
Computes the value at a given local coordinate.
Definition: SplineField2D.C:76
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