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). |
38 |
> |
* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008). |
39 |
> |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
40 |
> |
* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
41 |
|
*/ |
42 |
|
|
43 |
|
#include <stdio.h> |
50 |
|
|
51 |
|
using namespace std; |
52 |
|
namespace OpenMD { |
53 |
< |
|
53 |
< |
|
53 |
> |
|
54 |
|
SHAPES::SHAPES() { |
55 |
|
initialized_ = false; |
56 |
|
lMax_ = 64; |
71 |
|
for (at = atomTypes->beginType(i); at != NULL; |
72 |
|
at = atomTypes->nextType(i)) { |
73 |
|
|
74 |
< |
if (at->isShape() || at->isLennardJones()) |
75 |
< |
addType(at); |
74 |
> |
if (at->isShape()) |
75 |
> |
addShape(dynamic_cast<ShapeAtomType*>(at)); |
76 |
> |
|
77 |
> |
if (at->isLennardJones()) |
78 |
> |
addLJ(at); |
79 |
> |
|
80 |
|
} |
81 |
|
|
82 |
|
initialized_ = true; |
83 |
|
} |
84 |
|
|
85 |
< |
void SHAPES::addType(AtomType* atomType){ |
85 |
> |
void SHAPES::addShape(ShapeAtomType* atomType){ |
86 |
|
// add it to the map: |
87 |
|
AtomTypeProperties atp = atomType->getATP(); |
88 |
< |
|
89 |
< |
pair<map<int,AtomType*>::iterator,bool> ret; |
90 |
< |
ret = ShapesMap.insert( pair<int, AtomType*>(atp.ident, atomType) ); |
91 |
< |
if (ret.second == false) { |
92 |
< |
sprintf( painCave.errMsg, |
93 |
< |
"SHAPES already had a previous entry with ident %d\n", |
94 |
< |
atp.ident); |
95 |
< |
painCave.severity = OPENMD_INFO; |
96 |
< |
painCave.isFatal = 0; |
97 |
< |
simError(); |
98 |
< |
} |
99 |
< |
|
96 |
< |
if (atomType->isShape()) { |
97 |
< |
ShapeAtomType* sAtomType = dynamic_cast<ShapeAtomType*>(atomType); |
98 |
< |
if (sAtomType == NULL) { |
99 |
< |
sprintf(painCave.errMsg, |
100 |
< |
"SHAPES:: Can't cast to ShapeAtomType"); |
101 |
< |
painCave.severity = OPENMD_ERROR; |
102 |
< |
painCave.isFatal = 1; |
103 |
< |
simError(); |
104 |
< |
} |
105 |
< |
ShapesMap.insert( pair<int, ShapeAtomType*>(atp.ident, sAtomType) ); |
88 |
> |
|
89 |
> |
if (atomType->isShape() ) { |
90 |
> |
pair<map<int,ShapeAtomType*>::iterator, bool> ret; |
91 |
> |
ret = ShapesMap.insert( pair<int, ShapeAtomType*>(atp.ident, atomType)); |
92 |
> |
if (ret.second == false) { |
93 |
> |
sprintf( painCave.errMsg, |
94 |
> |
"SHAPES already had a previous entry with ident %d\n", |
95 |
> |
atp.ident); |
96 |
> |
painCave.severity = OPENMD_INFO; |
97 |
> |
painCave.isFatal = 0; |
98 |
> |
simError(); |
99 |
> |
} |
100 |
|
|
101 |
+ |
ShapesMap.insert( pair<int, ShapeAtomType*>(atp.ident, static_cast<ShapeAtomType*>(atomType)) ); |
102 |
+ |
|
103 |
|
} else if (atomType->isLennardJones()) { |
104 |
< |
d1 = getLJSigma(atomType) / sqrt(2.0); |
105 |
< |
e1 = getLJEpsilon(atomType); |
104 |
> |
RealType d1 = getLJSigma(atomType) / sqrt(2.0); |
105 |
> |
RealType e1 = getLJEpsilon(atomType); |
106 |
|
} else { |
107 |
|
sprintf( painCave.errMsg, |
108 |
|
"SHAPES::addType was passed an atomType (%s) that does not\n" |
111 |
|
painCave.severity = OPENMD_ERROR; |
112 |
|
painCave.isFatal = 1; |
113 |
|
simError(); |
114 |
< |
} |
119 |
< |
|
120 |
< |
|
121 |
< |
// Now, iterate over all known types and add to the mixing map: |
122 |
< |
|
123 |
< |
map<int, AtomType*>::iterator it; |
124 |
< |
for( it = ShapesMap.begin(); it != SHAPESMap.end(); ++it) { |
125 |
< |
|
126 |
< |
AtomType* atype2 = (*it).second; |
127 |
< |
|
128 |
< |
RealType d2, l2, e2, er2, dw2; |
129 |
< |
|
130 |
< |
if (atype2->isGayBerne()) { |
131 |
< |
GayBerneParam gb2 = getGayBerneParam(atype2); |
132 |
< |
d2 = gb2.SHAPES_d; |
133 |
< |
l2 = gb2.SHAPES_l; |
134 |
< |
e2 = gb2.SHAPES_eps; |
135 |
< |
er2 = gb2.SHAPES_eps_ratio; |
136 |
< |
dw2 = gb2.SHAPES_dw; |
137 |
< |
} else if (atype2->isLennardJones()) { |
138 |
< |
d2 = getLJSigma(atype2) / sqrt(2.0); |
139 |
< |
e2 = getLJEpsilon(atype2); |
140 |
< |
l2 = d2; |
141 |
< |
er2 = 1.0; |
142 |
< |
dw2 = 1.0; |
143 |
< |
} |
144 |
< |
|
145 |
< |
SHAPESInteractionData mixer; |
146 |
< |
|
147 |
< |
// Cleaver paper uses sqrt of squares to get sigma0 for |
148 |
< |
// mixed interactions. |
149 |
< |
|
150 |
< |
mixer.sigma0 = sqrt(d1*d1 + d2*d2); |
151 |
< |
mixer.xa2 = (l1*l1 - d1*d1)/(l1*l1 + d2*d2); |
152 |
< |
mixer.xai2 = (l2*l2 - d2*d2)/(l2*l2 + d1*d1); |
153 |
< |
mixer.x2 = (l1*l1 - d1*d1) * (l2*l2 - d2*d2) / |
154 |
< |
((l2*l2 + d1*d1) * (l1*l1 + d2*d2)); |
155 |
< |
|
156 |
< |
// assumed LB mixing rules for now: |
157 |
< |
|
158 |
< |
mixer.dw = 0.5 * (dw1 + dw2); |
159 |
< |
mixer.eps0 = sqrt(e1 * e2); |
160 |
< |
|
161 |
< |
RealType er = sqrt(er1 * er2); |
162 |
< |
RealType ermu = pow(er,(1.0 / mu_)); |
163 |
< |
RealType xp = (1.0 - ermu) / (1.0 + ermu); |
164 |
< |
RealType ap2 = 1.0 / (1.0 + ermu); |
165 |
< |
|
166 |
< |
mixer.xp2 = xp * xp; |
167 |
< |
mixer.xpap2 = xp * ap2; |
168 |
< |
mixer.xpapi2 = xp / ap2; |
169 |
< |
|
170 |
< |
// only add this pairing if at least one of the atoms is a Gay-Berne atom |
171 |
< |
|
172 |
< |
if (atomType->isGayBerne() || atype2->isGayBerne()) { |
173 |
< |
|
174 |
< |
pair<AtomType*, AtomType*> key1, key2; |
175 |
< |
key1 = make_pair(atomType, atype2); |
176 |
< |
key2 = make_pair(atype2, atomType); |
177 |
< |
|
178 |
< |
MixingMap[key1] = mixer; |
179 |
< |
if (key2 != key1) { |
180 |
< |
MixingMap[key2] = mixer; |
181 |
< |
} |
182 |
< |
} |
183 |
< |
} |
114 |
> |
} |
115 |
|
} |
116 |
|
|
117 |
|
|
267 |
|
RealType proji = sqrt(r * 1.0e-12); |
268 |
|
Vector3d dcpidx(1.0 / proji, |
269 |
|
0.0, |
270 |
+ |
|
271 |
+ |
// pickup the ball here! |
272 |
|
|
273 |
|
dcpidx = 1.0_dp / proji |
274 |
|
dcpidy = 0.0_dp |