/**
* @file tests/plot/dispersion.hpp
* @author The PARADEVS Development Team
* See the AUTHORS or Authors.txt file
*/
/*
* PARADEVS - the multimodeling and simulation environment
* This file is a part of the PARADEVS environment
*
* Copyright (C) 2013-2015 ULCO http://www.univ-litoral.fr
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#ifndef TESTS_PLOT_DISPERSION_HPP
#define TESTS_PLOT_DISPERSION_HPP 1
#include
#define SCALE 4
namespace paradevs { namespace tests { namespace plot {
class KleinDispersionFunction
{
public:
KleinDispersionFunction()
{
}
virtual double operator()(
typename common::DoubleTime::type t,
const paradevs::tests::boost_graph::Point& source,
const paradevs::tests::boost_graph::Point& destination,
double wind_speed,
double wind_direction) const
{
double distance = std::sqrt(
(destination._x - source._x) * (destination._x - source._x) +
(destination._y - source._y) * (destination._y - source._y));
double r, rt;
r = distance * SCALE / 100;
if (r <= 1.5) {
rt = 0.340 - 0.405 * r + 0.128 * std::pow (r, 2.0);
} else if (r <= 50) {
rt = 0.03985 / (1.0 + std::pow (r, 3.12) / 3.80);
} else { // r > 50m
double rr, gamma, K;
rr = 50;
gamma = -2.29;
//valeur la plus lourde -2.14, + legere - 2.56
K = (0.03985 / (1.0 + std::pow (rr, 3.12) / 3.80)) / std::pow (1.0 + rr, gamma);
rt = K * std::pow (1.0 + r, gamma);
// std::cout << _index << "\t" << t << "\t" << r << "\t" << K << "\t" << rr << "\t" << rt << "\t" << value << std::endl;
}
return rt;
}
};
class Plume2dDispersionFunction
{
public:
Plume2dDispersionFunction()
{
}
virtual double operator()(
typename common::DoubleTime::type t,
const paradevs::tests::boost_graph::Point& source,
const paradevs::tests::boost_graph::Point& destination,
double wind_speed,
double wind_direction) const
{
paradevs::tests::boost_graph::Point destination1(destination);
paradevs::tests::boost_graph::Point destination2;
//Changement de repère centré en (source._x, source._y)
destination1._x -= source._x;
destination1._y -= source._y;
//Rotation des axes d'angle wind_direction
destination2._x = destination1._x * std::cos(wind_direction) +
destination1._y * std::sin(wind_direction);
destination2._y = -destination1._x * std::sin(wind_direction) +
destination1._y * std::cos(wind_direction);
if (destination2._x > 0) {
// double sigma_y = 0.0787*x/(std::pow(1+x/707,0.135));
// double sigma_z = 0.0475*x/(std::pow(1+x/707, 0.465));
double sigma_y = 0.08 * destination2._x * SCALE *
std::pow(1 + 0.0001 * destination2._x * SCALE, -0.5);
double sigma_z = 0.06 * destination2._x * SCALE *
std::pow(1 + 0.0015 * destination2._x * SCALE , -0.5);
double h = 20;
double disp = 1. / (2 * M_PI * wind_speed * sigma_y * sigma_z) *
std::exp(-0.5 * std::pow(h / sigma_z, 2)) *
std::exp(-0.5 * std::pow(destination2._y * SCALE / sigma_y, 2));
return disp * 3600 * 24 * 1e4;
} else {
return 0.0;
}
}
};
} } } // namespace paradevs tests plot
#endif