本文整理汇总了C++中Soil::heat_conductivity方法的典型用法代码示例。如果您正苦于以下问题：C++ Soil::heat_conductivity方法的具体用法？C++ Soil::heat_conductivity怎么用？C++ Soil::heat_conductivity使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Soil的用法示例。
在下文中一共展示了Soil::heat_conductivity方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sqrt
std::vector<double>
Movement1D::default_heat (const Soil& soil,
const Time& time, const Weather& weather)
{
// Fetch average temperatur.
const double rad_per_day = 2.0 * M_PI / 365.0;
// Calculate delay.
const double pF_2_0 = -100.0;
double k = 0;
double C = 0;
std::vector<double> T;
const size_t cell_size = geo->cell_size ();
for (unsigned int i = 0; i < cell_size; i++)
{
const double Theta_pF_2_0 = soil.Theta (i, pF_2_0, 0.0);
k += geo->dz (i) * soil.heat_conductivity (i, Theta_pF_2_0, 0.0);
C += geo->dz (i) * soil.heat_capacity (i, Theta_pF_2_0, 0.0);
const double a = k / C;
delay = geo->zplus (i) / sqrt (24.0 * 2.0 * a / rad_per_day);
T.push_back (bottom_heat (time, weather));
}
daisy_assert (T.size () == cell_size);
return T;
}示例2:
double
Movement1D::surface_snow_T (const Soil& soil,
const SoilWater& soil_water,
const SoilHeat& soil_heat,
const double T_snow,
const double K_snow,
const double dZs) const
{
// Information about soil.
const double K_soil
= soil.heat_conductivity (0, soil_water.Theta (0),
soil_water.X_ice (0))
* 1e-7 * 100.0 / 3600.0; // [erg/cm/h/dg C] -> [W/m/dg C]
const double Z = -geo->cell_z (0) / 100.0; // [cm] -> [m]
const double T_soil = soil_heat.T (0); // [dg C]
daisy_assert (T_soil > -100.0);
daisy_assert (T_soil < 50.0);
const double T = (K_soil / Z * T_soil + K_snow / dZs * T_snow)
/ (K_soil / Z + K_snow / dZs);
daisy_assert (T > -100.0);
daisy_assert (T < 50.0);
return T;
}