/******************************************************************* * constants.h * *******************************************************************/ #ifndef G__CONSTANTS_H #define G__CONSTANTS_H const double PI = 3.141592653590; // the circular constant const double E0 = 8.854e-12;// absolute permittivity of vacuum (F/m) const double U0 = 4*PI*1e-7; // absolute permeability of vacuum (H/m) const double E = 1.60210e-19; // charge of an electron (C) const double ME = 9.1091e-31; // mass of an electron (kg) const double MA = 1.67252e-27; // mass of a proton (kg) const double C0 = 2.997925e8; // light velocity in vacuum (m/sec) const double KCU = 5.800e7; // cupper consuctivity (moh/m) const double G = 9.807; // gravity accelaration (m/sec^2) const double K = 1.380e-23; // Boltzmann's constant (J/K) const double H = 6.625e-34; // Planck's constant (J*sec) const double N = 6.025e26; // Avogadro's number (1/kg/mol) #endif