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root/group/trunk/OOPSE/libmdtools/Thermo.hpp
Revision: 1452
Committed: Mon Aug 23 15:11:36 2004 UTC (19 years, 10 months ago) by tim
File size: 1677 byte(s)
Log Message:
*** empty log message ***

File Contents

# Content
1 #ifndef __THERMO_H__
2 #define __THERMO_H__
3
4 #include "Atom.hpp"
5 #include "SRI.hpp"
6 #include "SimInfo.hpp"
7 #include "randomSPRNG.hpp"
8 #include "ConstraintIterator.hpp"
9 class Thermo{
10
11 public:
12
13 Thermo( SimInfo* the_info );
14 ~Thermo();
15
16 // note: all the following energies are in kcal/mol
17
18 double getKinetic(); // the total kinetic energy
19 double getPotential(); // the total potential energy
20 double getTotalE(); // gets the total energy
21 double getConsEnergy(); //get contribution to energy from constraint
22
23 double getTemperature(); // gives the instant temp. in K
24
25 double getPressure(); // gives the instant pressure in atm;
26 double getPressureX(); // gives the instant pressure in atm;
27 double getPressureY(); // gives the instant pressure in atm;
28 double getPressureZ(); // gives the instant pressure in atm;
29
30 void getPressureTensor(double press[3][3]); // gives the pressure
31 // tensor in
32 // amu*fs^-2*Ang^-1
33 double getVolume(); // gives the volume in Ang^3
34
35 int getNDF(); // get the number of degrees of freedom in the system
36 int getNDFraw(); // get the number of raw degrees of freedom in the system
37 // i.e. don't subtract constraints or system COM.
38
39 void velocitize(); // set the temperature to the target temp in SimInfo
40 // NOTE: srand48 should be seeded before calling.
41 void getCOMVel(double vdrift[3]);
42 void getCOM(double COM[3]);
43 void removeCOMdrift();
44 void removeAngularMomentum();
45
46 private:
47 SimInfo* info;
48 gaussianSPRNG *gaussStream;
49 ConstraintPairIterator* cpIter;
50 };
51 #endif