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constants.h
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#ifndef constants
#define constants
#include <vector>
// stefan-boltzmann
const double sigma = 0;//5.67e-8;
const double T0 = 280; // initial temperature
// meteoroid material parameters
const double Tb = 1000; // temperature T at beginning height
const double lam0 = lamt(T0); // at 280K
const double c0 = 450; // at 280K
const double delta0 = 7800; // at 280K
const double alpha0 = alphat(T0); // at 280K
// meteoroid kinematics and atmosphere
const double Lam = 1;
const double vinf = 30000;
const double rho0 = 1.3;
const double H = 7000;
const double zr = 0;
// fitted constants for thermal diffusivity
// brd[materials][borders]
// fit[materials][segments][constants]
const int abrd[1][1] = {{1068}};
const double afit[1][2][3] = {{{-2.156e-5, 4.342e-2, 682.2}, {6.61e-6, -8.844e-5, -1041}}};
const int lbrd[1][2] = {{479, 1127}};
const double lfit[1][3][2] = {{{113.8, -0.1116}, {84.82, -0.05}, {16.76, 9.924e-3}}};
#endif