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root/group/trunk/OOPSE/libmdtools/Atom.hpp
Revision: 631
Committed: Thu Jul 17 19:25:51 2003 UTC (20 years, 11 months ago) by chuckv
File size: 7536 byte(s)
Log Message:
Added massive changes for eam....

File Contents

# Content
1 #ifndef _ATOM_H_
2 #define _ATOM_H_
3
4 #include <cstring>
5 #include <cstdlib>
6 #include <iostream>
7
8 class Atom{
9 public:
10
11 Atom(int theIndex);
12 virtual ~Atom() {}
13
14 static double* pos; // the position array
15 static double* vel; // the velocity array
16 static double* frc; // the forc array
17 static double* trq; // the torque vector ( space fixed )
18 static double* Amat; // the rotation matrix
19 static double* mu; // the dipole moment array
20 static double* ul; // the lab frame unit directional vector
21 static int nElements;
22
23 static void createArrays (int the_nElements);
24 static void destroyArrays(void);
25 void addAtoms(int nAdded, double* Apos, double* Avel, double* Afrc,
26 double* Atrq, double* AAmat, double* Amu,
27 double* Aul);
28 void deleteAtom(int theIndex);
29 void deleteRange(int startIndex, int stopIndex);
30
31 static double* getPosArray( void ) { return pos; }
32 static double* getVelArray( void ) { return vel; }
33 static double* getFrcArray( void ) { return frc; }
34 static double* getTrqArray( void ) { return trq; }
35 static double* getAmatArray( void ) { return Amat; }
36 static double* getMuArray( void ) { return mu; }
37 static double* getUlArray( void ) { return ul; }
38
39 void getPos( double theP[3] );
40 void setPos( double theP[3] );
41
42 double getX() const {return pos[offsetX];}
43 double getY() const {return pos[offsetY];}
44 double getZ() const {return pos[offsetZ];}
45 void setX(double x) {pos[offsetX] = x;}
46 void setY(double y) {pos[offsetY] = y;}
47 void setZ(double z) {pos[offsetZ] = z;}
48
49 void getVel( double theV[3] );
50 void setVel( double theV[3] );
51
52 double get_vx() const {return vel[offsetX];}
53 double get_vy() const {return vel[offsetY];}
54 double get_vz() const {return vel[offsetZ];}
55 void set_vx(double vx) {vel[offsetX] = vx;}
56 void set_vy(double vy) {vel[offsetY] = vy;}
57 void set_vz(double vz) {vel[offsetZ] = vz;}
58
59
60 void getFrc( double theF[3] );
61 void addFrc( double theF[3] );
62
63 double getFx() const {return frc[offsetX];}
64 double getFy() const {return frc[offsetY];}
65 double getFz() const {return frc[offsetZ];}
66 void addFx(double add) {frc[offsetX] += add;}
67 void addFy(double add) {frc[offsetY] += add;}
68 void addFz(double add) {frc[offsetZ] += add;}
69 virtual void zeroForces() = 0;
70
71 double getMass() const {return c_mass;}
72 void setMass(double mass) {c_mass = mass;}
73
74 double getSigma() const {return c_sigma;}
75 void setSigma(double sigma) {c_sigma = sigma;}
76
77 double getEpslon() const {return c_epslon;}
78 void setEpslon(double epslon) {c_epslon = epslon;}
79
80 double getCovalent() const {return c_covalent;}
81 void setCovalent(double covalent) {c_covalent = covalent;}
82
83 int getIndex() const {return index;}
84 void setIndex(int theIndex);
85 char *getType() {return c_name;}
86 void setType(char * name) {strcpy(c_name,name);}
87
88 int getIdent( void ) { return ident; }
89 void setIdent( int info ) { ident = info; }
90
91 #ifdef IS_MPI
92 int getGlobalIndex( void ) { return myGlobalIndex; }
93 void setGlobalIndex( int info ) { myGlobalIndex = info; }
94 #endif // is_mpi
95
96 void set_n_hydrogens( int n_h ) {c_n_hyd = n_h;}
97 int get_n_hydrogens() const {return c_n_hyd;}
98
99 void setHasDipole( int value ) { has_dipole = value; }
100 int hasDipole( void ) { return has_dipole; }
101
102 void setLJ( void ) { is_LJ = 1; is_VDW = 0; }
103 int isLJ( void ) { return is_LJ; }
104
105 void seVDW( void ) { is_VDW = 1; is_LJ = 0; }
106 int isVDW( void ) { return is_VDW; }
107
108 void setEAM( void ) { is_EAM = 1; }
109 int isEAM( void ) { return is_EAM; }
110
111 virtual int isDirectional( void ) = 0;
112
113
114 protected:
115
116 double c_mass; /* the mass of the atom in amu */
117 double c_sigma; /* the sigma parameter for van der walls interactions */
118 double c_epslon; /* the esplon parameter for VDW interactions */
119 double c_covalent; // The covalent radius of the atom.
120
121 int index; /* set the atom's index */
122 int offset; // the atom's offset in the storage array
123 int offsetX, offsetY, offsetZ;
124
125 int Axx, Axy, Axz; // the rotational matrix indices
126 int Ayx, Ayy, Ayz;
127 int Azx, Azy, Azz;
128
129 char c_name[100]; /* it's name */
130 int ident; // it's unique numeric identity.
131
132 int c_n_hyd; // the number of hydrogens bonded to the atom
133
134 int has_dipole; // dipole boolean
135 int is_VDW; // VDW boolean
136 int is_LJ; // LJ boolean
137 int is_EAM; //EAM boolean
138
139 #ifdef IS_MPI
140 int myGlobalIndex;
141 #endif
142
143 };
144
145 class GeneralAtom : public Atom{
146
147 public:
148 GeneralAtom(int theIndex): Atom(theIndex){}
149 virtual ~GeneralAtom(){}
150
151 int isDirectional( void ){ return 0; }
152 void zeroForces() {
153 frc[offsetX] = 0.0;
154 frc[offsetY] = 0.0;
155 frc[offsetZ] = 0.0;
156 }
157 };
158
159 class DirectionalAtom : public Atom {
160
161 public:
162 DirectionalAtom(int theIndex) : Atom(theIndex)
163 {
164 ssdIdentity = 0;
165 sux = 0.0;
166 suy = 0.0;
167 suz = 0.0;
168 }
169 virtual ~DirectionalAtom() {}
170
171 void printAmatIndex( void );
172
173 int isDirectional(void) { return 1; }
174
175 void setSSD( int value) { ssdIdentity = value; }
176 int isSSD(void) {return ssdIdentity; }
177
178
179 void setEuler( double phi, double theta, double psi );
180
181 double getSUx( void ) { return sux; }
182 double getSUy( void ) { return suy; }
183 double getSUz( void ) { return suz; }
184
185 void setSUx( double the_sux ) { sux = the_sux; }
186 void setSUy( double the_suy ) { suy = the_suy; }
187 void setSUz( double the_suz ) { suz = the_suz; }
188
189 void zeroForces() {
190 frc[offsetX] = 0.0;
191 frc[offsetY] = 0.0;
192 frc[offsetZ] = 0.0;
193
194 trq[offsetX] = 0.0;
195 trq[offsetY] = 0.0;
196 trq[offsetZ] = 0.0;
197 }
198
199 void getA( double the_A[3][3] ); // get the full rotation matrix
200 void setA( double the_A[3][3] );
201
202 void getU( double the_u[3] ); // get the unit vetor
203 void updateU( void );
204
205 void getQ( double the_q[4] ); // get the quanternions
206 void setQ( double the_q[4] );
207
208 void getJ( double theJ[3] );
209 void setJ( double theJ[3] );
210
211 double getJx( void ) { return jx; }
212 double getJy( void ) { return jy; }
213 double getJz( void ) { return jz; }
214
215 void setJx( double the_jx ) { jx = the_jx; }
216 void setJy( double the_jy ) { jy = the_jy; }
217 void setJz( double the_jz ) { jz = the_jz; }
218
219 void getTrq( double theT[3] );
220 void addTrq( double theT[3] );
221
222 // double getTx( void ) { return trq[offsetX];}
223 // double getTy( void ) { return trq[offsetY]; }
224 // double getTz( void ) { return trq[offsetZ]; }
225
226 void addTx( double the_tx ) { trq[offsetX] += the_tx;}
227 void addTy( double the_ty ) { trq[offsetY] += the_ty;}
228 void addTz( double the_tz ) { trq[offsetZ] += the_tz;}
229
230 void setI( double the_I[3][3] );
231 void getI( double the_I[3][3] );
232
233 double getIxx( void ) { return Ixx; }
234 double getIxy( void ) { return Ixy; }
235 double getIxz( void ) { return Ixz; }
236
237 double getIyx( void ) { return Iyx; }
238 double getIyy( void ) { return Iyy; }
239 double getIyz( void ) { return Iyz; }
240
241 double getIzx( void ) { return Izx; }
242 double getIzy( void ) { return Izy; }
243 double getIzz( void ) { return Izz; }
244
245
246 double getMu( void ) { return mu[index]; }
247 void setMu( double the_mu ) { mu[index] = the_mu; }
248
249 void lab2Body( double r[3] );
250 void body2Lab( double r[3] );
251
252
253 private:
254 int dIndex;
255
256 double sux, suy, suz; // the standard unit vector ( body fixed )
257 double jx, jy, jz; // the angular momentum vector ( body fixed )
258
259 double Ixx, Ixy, Ixz; // the inertial tensor matrix ( body fixed )
260 double Iyx, Iyy, Iyz;
261 double Izx, Izy, Izz;
262
263 int ssdIdentity; // boolean of whether atom is ssd
264
265 };
266
267 #endif