ESyS-Particle  2.2
RotElasticInteraction.h
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1 
2 // //
3 // Copyright (c) 2003-2013 by The University of Queensland //
4 // Earth Systems Science Computational Centre (ESSCC) //
5 // http://www.uq.edu.au/esscc //
6 // //
7 // Primary Business: Brisbane, Queensland, Australia //
8 // Licensed under the Open Software License version 3.0 //
9 // http://www.opensource.org/licenses/osl-3.0.php //
10 // //
12 
13 #ifndef __ROTELASTICINTERACTION_H
14 #define __ROTELASTICINTERACTION_H
15 
16 #include "Model/RotPairInteraction.h"
17 #include "Model/RotParticle.h"
18 #include "Model/IGParam.h"
19 
20 
24 class CRotElasticIGP : public AIGParam
25 {
26  protected:
27  public:
28  CRotElasticIGP();
29  CRotElasticIGP(const std::string &name, double kr, bool scaling);
30 
31  double m_kr;
32  bool m_scaling;
33 
34  virtual void packInto(CVarMPIBuffer*) const;
35  void setNormalSpringConst(double k){m_kr=k;};
36  double getNormalSpringConst() const{return m_kr;};
37 
38  virtual std::string getTypeString() const {return "RotElastic";}
39 
40  friend ostream& operator<<(ostream&,const CRotElasticIGP&);
41 };
42 
43 CRotElasticIGP* extractRotElasticIGP(AMPIBuffer*);
44 CRotElasticIGP* extractRotElasticIGP_p(AMPIBuffer*);
45 
50 class CRotElasticInteraction : public ARotPairInteraction
51 {
52 public:
53  typedef double (CRotElasticInteraction::* ScalarFieldFunction)() const;
54  typedef pair<bool,double> (CRotElasticInteraction::* CheckedScalarFieldFunction)() const;
55  typedef Vec3 (CRotElasticInteraction::* VectorFieldFunction)() const;
56 
57  static ScalarFieldFunction getScalarFieldFunction(const string&);
58  static CheckedScalarFieldFunction getCheckedScalarFieldFunction(const string&);
59  static VectorFieldFunction getVectorFieldFunction(const string&);
60 
61 private:
62  double m_kr;
63  Vec3 m_force;
64  double m_nForce;
65  Vec3 m_cpos;
66  Vec3 m_D;
67  bool m_scaling;
68 
69 public:
70  typedef CRotElasticIGP ParameterType;
71 
72  CRotElasticInteraction();
73  CRotElasticInteraction(CRotParticle*,CRotParticle*,const CRotElasticIGP&);
74  virtual ~CRotElasticInteraction(){};
75 
76  virtual Vec3 getPos() const {return m_cpos;}
77 
78  static string getType(){return "RotElastic";}
79 
80  virtual void calcForces();
81 
82  Vec3 getForce() const;
83  double getPotentialEnergy() const;
84 
85  friend ostream& operator<<(ostream&,const CRotElasticInteraction&);
86 
87  // save/load of restart parameters
88  virtual void saveRestartData(std::ostream &oStream);
89  virtual void loadRestartData(std::istream &iStream);
90 };
91 #endif //__ELASTICINTERACTION_H