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root/group/trunk/OOPSE/libmdtools/Thermo.hpp
Revision: 483
Committed: Wed Apr 9 04:06:43 2003 UTC (21 years, 2 months ago) by gezelter
File size: 1263 byte(s)
Log Message:
fixes for NPT and NVT

File Contents

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