src/lattice/FCCLattice.cpp

/*
 * 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. 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).                        
 */
 
#include "lattice/FCCLattice.hpp"

namespace OpenMD {

  FCCLattice::FCCLattice() : CubicLattice(){
    nCellSites = 4;
    cellSitesPos.resize(nCellSites);
    cellSitesOrt.resize(nCellSites);
    update();

  }

  void FCCLattice::update(){

    RealType cellLenOver2;
    RealType oneOverRoot3;

    cellLenOver2  = 0.5 * latticeParam;
    oneOverRoot3 = 1.0 / sqrt(3.0);

    // Molecule 1
    cellSitesPos[0][0] = 0.0; 
    cellSitesPos[0][1] = 0.0;
    cellSitesPos[0][2] = 0.0;
  
    cellSitesOrt[0][0] = oneOverRoot3;
    cellSitesOrt[0][1] = oneOverRoot3;
    cellSitesOrt[0][2] = oneOverRoot3;

    // Molecule 2  
    cellSitesPos[1][0]   = 0.0;
    cellSitesPos[1][1]   = cellLenOver2;
    cellSitesPos[1][2]   = cellLenOver2;

    cellSitesOrt[1][0] = -oneOverRoot3;
    cellSitesOrt[1][1] = oneOverRoot3;
    cellSitesOrt[1][2] = -oneOverRoot3;
   
    // Molecule 3
    cellSitesPos[2][0]   = cellLenOver2;
    cellSitesPos[2][1]   = cellLenOver2;
    cellSitesPos[2][2]   = 0.0;

    cellSitesOrt[2][0] = oneOverRoot3;
    cellSitesOrt[2][1] = -oneOverRoot3;
    cellSitesOrt[2][2] = -oneOverRoot3;

    // Molecule 4

    cellSitesPos[3][0]   = cellLenOver2;
    cellSitesPos[3][1]   = 0.0;
    cellSitesPos[3][2]   = cellLenOver2;

    cellSitesOrt[3][0] = -oneOverRoot3;
    cellSitesOrt[3][1] = oneOverRoot3;
    cellSitesOrt[3][2] = oneOverRoot3;
  }

}

Revision:	1390
Committed:	Wed Nov 25 20:02:06 2009 UTC (15 years, 5 months ago) by gezelter
File size:	3494 byte(s)
Log Message:	Almost all of the changes necessary to create OpenMD out of our old project (OOPSE-4)
#	User	Rev	Content
1	gezelter	507	/*
2	tim	485	* 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	gezelter	1390	* 1. Redistributions of source code must retain the above copyright
10	tim	485	* notice, this list of conditions and the following disclaimer.
11			*
12	gezelter	1390	* 2. Redistributions in binary form must reproduce the above copyright
13	tim	485	* 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	gezelter	1390	*
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	tim	485	*/
41
42			#include "lattice/FCCLattice.hpp"
43
44	gezelter	1390	namespace OpenMD {
45	tim	485
46	gezelter	507	FCCLattice::FCCLattice() : CubicLattice(){
47			nCellSites = 4;
48			cellSitesPos.resize(nCellSites);
49			cellSitesOrt.resize(nCellSites);
50			update();
51	tim	485
52	gezelter	507	}
53	tim	485
54	gezelter	507	void FCCLattice::update(){
55	tim	485
56	tim	963	RealType cellLenOver2;
57			RealType oneOverRoot3;
58	tim	485
59	gezelter	507	cellLenOver2 = 0.5 * latticeParam;
60			oneOverRoot3 = 1.0 / sqrt(3.0);
61	tim	485
62	gezelter	507	// Molecule 1
63			cellSitesPos[0][0] = 0.0;
64			cellSitesPos[0][1] = 0.0;
65			cellSitesPos[0][2] = 0.0;
66	tim	485
67	gezelter	507	cellSitesOrt[0][0] = oneOverRoot3;
68			cellSitesOrt[0][1] = oneOverRoot3;
69			cellSitesOrt[0][2] = oneOverRoot3;
70	tim	485
71	gezelter	507	// Molecule 2
72			cellSitesPos[1][0] = 0.0;
73			cellSitesPos[1][1] = cellLenOver2;
74			cellSitesPos[1][2] = cellLenOver2;
75	tim	485
76	gezelter	507	cellSitesOrt[1][0] = -oneOverRoot3;
77			cellSitesOrt[1][1] = oneOverRoot3;
78			cellSitesOrt[1][2] = -oneOverRoot3;
79	tim	485
80	gezelter	507	// Molecule 3
81			cellSitesPos[2][0] = cellLenOver2;
82			cellSitesPos[2][1] = cellLenOver2;
83			cellSitesPos[2][2] = 0.0;
84	tim	485
85	gezelter	507	cellSitesOrt[2][0] = oneOverRoot3;
86			cellSitesOrt[2][1] = -oneOverRoot3;
87			cellSitesOrt[2][2] = -oneOverRoot3;
88	tim	485
89	gezelter	507	// Molecule 4
90	tim	485
91	gezelter	507	cellSitesPos[3][0] = cellLenOver2;
92			cellSitesPos[3][1] = 0.0;
93			cellSitesPos[3][2] = cellLenOver2;
94	tim	485
95	gezelter	507	cellSitesOrt[3][0] = -oneOverRoot3;
96			cellSitesOrt[3][1] = oneOverRoot3;
97			cellSitesOrt[3][2] = oneOverRoot3;
98			}
99	tim	485
100			}
101