src/integrators/VelocityVerletIntegrator.hpp

/*
 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Acknowledgement of the program authors must be made in any
 *    publication of scientific results based in part on use of the
 *    program.  An acceptable form of acknowledgement is citation of
 *    the article in which the program was described (Matthew
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
 *    Parallel Simulation Engine for Molecular Dynamics,"
 *    J. Comput. Chem. 26, pp. 252-271 (2005))
 *
 * 2. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 3. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 */
 
/**
 * @file VelocityVerletIntegrator.hpp
 * @author tlin
 * @date 11/08/2004
 * @time 13:25am
 * @version 1.0
 */

#ifndef INTEGRATORS_VELOCITYVERLETINTEGRATOR_HPP
#define INTEGRATORS_VELOCITYVERLETINTEGRATOR_HPP

#include "integrators/Integrator.hpp"
#include "integrators/RotationAlgorithm.hpp"
#include "constraints/Rattle.hpp"
namespace oopse {

  /**
   * @class VelocityVerletIntegrator VelocityVerletIntegrator.hpp "integrators/VelocityVerletIntegrator.hpp"
   * @brief  Velocity-Verlet Family Integrator
   * Template pattern is used in VelocityVerletIntegrator class. 
   */
  class VelocityVerletIntegrator : public Integrator {
  public:
    virtual ~VelocityVerletIntegrator();

    void setRotationAlgorithm(RotationAlgorithm* algo) {
      if (algo != rotAlgo && rotAlgo != NULL){            
        delete rotAlgo;
      }
            
      rotAlgo = algo;
    }
        
  protected:

    VelocityVerletIntegrator(SimInfo* info);

    virtual void doIntegrate();

    virtual void initialize();

    virtual void preStep();
        
    virtual void integrateStep();        

    virtual void postStep();

    virtual void finalize();

    virtual void resetIntegrator() {}
    
    RotationAlgorithm* rotAlgo;
    Rattle* rattle;
    double dt2;

    double currSample;
    double currStatus;
    double currThermal;
    double currReset;
        
  private:
        
    virtual void calcForce(bool needPotential, bool needStress);    
        
    virtual void moveA() = 0;
        
    virtual void moveB() = 0;        

    virtual double calcConservedQuantity() = 0;

    virtual DumpWriter* createDumpWriter();

    virtual StatWriter* createStatWriter();
        
    virtual RestWriter* createRestWriter();

  };

} //end namespace oopse
#endif //INTEGRATORS_VELOCITYVERLETINTEGRATOR_HPP
Revision:	2243
Committed:	Sun May 29 00:06:14 2005 UTC (19 years, 1 month ago) by tim
File size:	3885 byte(s)
Log Message:	adding resetIntegrator
#	Content
1	/*
2	* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3	*
4	* The University of Notre Dame grants you ("Licensee") a
5	* non-exclusive, royalty free, license to use, modify and
6	* redistribute this software in source and binary code form, provided
7	* that the following conditions are met:
8	*
9	* 1. Acknowledgement of the program authors must be made in any
10	* publication of scientific results based in part on use of the
11	* program. An acceptable form of acknowledgement is citation of
12	* the article in which the program was described (Matthew
13	* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14	* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15	* Parallel Simulation Engine for Molecular Dynamics,"
16	* J. Comput. Chem. 26, pp. 252-271 (2005))
17	*
18	* 2. Redistributions of source code must retain the above copyright
19	* notice, this list of conditions and the following disclaimer.
20	*
21	* 3. Redistributions in binary form must reproduce the above copyright
22	* notice, this list of conditions and the following disclaimer in the
23	* documentation and/or other materials provided with the
24	* distribution.
25	*
26	* This software is provided "AS IS," without a warranty of any
27	* kind. All express or implied conditions, representations and
28	* warranties, including any implied warranty of merchantability,
29	* fitness for a particular purpose or non-infringement, are hereby
30	* excluded. The University of Notre Dame and its licensors shall not
31	* be liable for any damages suffered by licensee as a result of
32	* using, modifying or distributing the software or its
33	* derivatives. In no event will the University of Notre Dame or its
34	* licensors be liable for any lost revenue, profit or data, or for
35	* direct, indirect, special, consequential, incidental or punitive
36	* damages, however caused and regardless of the theory of liability,
37	* arising out of the use of or inability to use software, even if the
38	* University of Notre Dame has been advised of the possibility of
39	* such damages.
40	*/
41
42	/**
43	* @file VelocityVerletIntegrator.hpp
44	* @author tlin
45	* @date 11/08/2004
46	* @time 13:25am
47	* @version 1.0
48	*/
49
50	#ifndef INTEGRATORS_VELOCITYVERLETINTEGRATOR_HPP
51	#define INTEGRATORS_VELOCITYVERLETINTEGRATOR_HPP
52
53	#include "integrators/Integrator.hpp"
54	#include "integrators/RotationAlgorithm.hpp"
55	#include "constraints/Rattle.hpp"
56	namespace oopse {
57
58	/**
59	* @class VelocityVerletIntegrator VelocityVerletIntegrator.hpp "integrators/VelocityVerletIntegrator.hpp"
60	* @brief Velocity-Verlet Family Integrator
61	* Template pattern is used in VelocityVerletIntegrator class.
62	*/
63	class VelocityVerletIntegrator : public Integrator {
64	public:
65	virtual ~VelocityVerletIntegrator();
66
67	void setRotationAlgorithm(RotationAlgorithm* algo) {
68	if (algo != rotAlgo && rotAlgo != NULL){
69	delete rotAlgo;
70	}
71
72	rotAlgo = algo;
73	}
74
75	protected:
76
77	VelocityVerletIntegrator(SimInfo* info);
78
79	virtual void doIntegrate();
80
81	virtual void initialize();
82
83	virtual void preStep();
84
85	virtual void integrateStep();
86
87	virtual void postStep();
88
89	virtual void finalize();
90
91	virtual void resetIntegrator() {}
92
93	RotationAlgorithm* rotAlgo;
94	Rattle* rattle;
95	double dt2;
96
97	double currSample;
98	double currStatus;
99	double currThermal;
100	double currReset;
101
102	private:
103
104	virtual void calcForce(bool needPotential, bool needStress);
105
106	virtual void moveA() = 0;
107
108	virtual void moveB() = 0;
109
110	virtual double calcConservedQuantity() = 0;
111
112	virtual DumpWriter* createDumpWriter();
113
114	virtual StatWriter* createStatWriter();
115
116	virtual RestWriter* createRestWriter();
117
118	};
119
120	} //end namespace oopse
121	#endif //INTEGRATORS_VELOCITYVERLETINTEGRATOR_HPP