src/nonbonded/RepulsivePower.hpp

/*
 * Copyright (c) 2009 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. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
 * research, please cite the appropriate papers when you publish your
 * work.  Good starting points are:
 *                                                                      
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
 * [4]  Vardeman & Gezelter, in progress (2009).                        
 */
 
#ifndef NONBONDED_REPULSIVEPOWER_HPP
#define NONBONDED_REPULSIVEPOWER_HPP

#include "nonbonded/NonBondedInteraction.hpp"
#include "types/AtomType.hpp"
#include "UseTheForce/ForceField.hpp"
#include "math/Vector3.hpp"

using namespace std;
namespace OpenMD {

  struct RPInteractionData {
    RealType sigma;
    RealType epsilon;
    RealType sigmai;
    int nRep;
  };

  class RepulsivePower : public VanDerWaalsInteraction {
    
  public:    
    RepulsivePower();
    void setForceField(ForceField *ff) {forceField_ = ff;};
    void addExplicitInteraction(AtomType* atype1, AtomType* atype2, RealType sigma, RealType epsilon, int nRep);
    virtual void calcForce(InteractionData &idat);
    virtual string getName() {return name_;}
    virtual RealType getSuggestedCutoffRadius(pair<AtomType*, AtomType*> atypes);
    
  private:
    void initialize();
    void getNRepulsionFunc(const RealType r, int n, RealType &pot, RealType &deriv);

    bool initialized_;
    map<pair<AtomType*, AtomType*>, RPInteractionData> MixingMap;
    ForceField* forceField_;    
    string name_;

  };
}

                               
#endif
Revision:	1624
Committed:	Tue Sep 13 14:12:54 2011 UTC (13 years, 10 months ago) by gezelter
File size:	3250 byte(s)
Log Message:	Adding RepulsivePower interaction to the development branch
#	User	Rev	Content
1	gezelter	1624	/*
2			* Copyright (c) 2009 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. Redistributions of source code must retain the above copyright
10			* notice, this list of conditions and the following disclaimer.
11			*
12			* 2. Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the
15			* distribution.
16			*
17			* This software is provided "AS IS," without a warranty of any
18			* kind. All express or implied conditions, representations and
19			* warranties, including any implied warranty of merchantability,
20			* fitness for a particular purpose or non-infringement, are hereby
21			* excluded. The University of Notre Dame and its licensors shall not
22			* be liable for any damages suffered by licensee as a result of
23			* using, modifying or distributing the software or its
24			* derivatives. In no event will the University of Notre Dame or its
25			* licensors be liable for any lost revenue, profit or data, or for
26			* direct, indirect, special, consequential, incidental or punitive
27			* damages, however caused and regardless of the theory of liability,
28			* arising out of the use of or inability to use software, even if the
29			* University of Notre Dame has been advised of the possibility of
30			* such damages.
31			*
32			* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33			* research, please cite the appropriate papers when you publish your
34			* work. Good starting points are:
35			*
36			* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37			* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38			* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39			* [4] Vardeman & Gezelter, in progress (2009).
40			*/
41
42			#ifndef NONBONDED_REPULSIVEPOWER_HPP
43			#define NONBONDED_REPULSIVEPOWER_HPP
44
45			#include "nonbonded/NonBondedInteraction.hpp"
46			#include "types/AtomType.hpp"
47			#include "UseTheForce/ForceField.hpp"
48			#include "math/Vector3.hpp"
49
50			using namespace std;
51			namespace OpenMD {
52
53			struct RPInteractionData {
54			RealType sigma;
55			RealType epsilon;
56			RealType sigmai;
57			int nRep;
58			};
59
60			class RepulsivePower : public VanDerWaalsInteraction {
61
62			public:
63			RepulsivePower();
64			void setForceField(ForceField *ff) {forceField_ = ff;};
65			void addExplicitInteraction(AtomType* atype1, AtomType* atype2, RealType sigma, RealType epsilon, int nRep);
66			virtual void calcForce(InteractionData &idat);
67			virtual string getName() {return name_;}
68			virtual RealType getSuggestedCutoffRadius(pair<AtomType, AtomType> atypes);
69
70			private:
71			void initialize();
72			void getNRepulsionFunc(const RealType r, int n, RealType &pot, RealType &deriv);
73
74			bool initialized_;
75			map<pair<AtomType, AtomType>, RPInteractionData> MixingMap;
76			ForceField* forceField_;
77			string name_;
78
79			};
80			}
81
82
83			#endif