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- /**
- * @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 <http://www.gnu.org/licenses/>.
- */
- #ifndef TESTS_PLOT_DISPERSION_HPP
- #define TESTS_PLOT_DISPERSION_HPP 1
- #include <cmath>
- #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
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