Line data    Source code

       1             : /****************************************************************************/
       2             : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
       3             : // Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
       4             : // This program and the accompanying materials are made available under the
       5             : // terms of the Eclipse Public License 2.0 which is available at
       6             : // https://www.eclipse.org/legal/epl-2.0/
       7             : // This Source Code may also be made available under the following Secondary
       8             : // Licenses when the conditions for such availability set forth in the Eclipse
       9             : // Public License 2.0 are satisfied: GNU General Public License, version 2
      10             : // or later which is available at
      11             : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
      12             : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
      13             : /****************************************************************************/
      14             : /// @file    HelpersHarmonoise.h
      15             : /// @author  Daniel Krajzewicz
      16             : /// @author  Michael Behrisch
      17             : /// @date    Mon, 10.05.2004
      18             : ///
      19             : // Helper methods for Harmonoise-based noise emission computation
      20             : /****************************************************************************/
      21             : #pragma once
      22             : #include <config.h>
      23             : 
      24             : #include <vector>
      25             : #include <limits>
      26             : #include <cmath>
      27             : #include <utils/common/StdDefs.h>
      28             : #include <utils/common/SUMOVehicleClass.h>
      29             : 
      30             : 
      31             : // ===========================================================================
      32             : // class definitions
      33             : // ===========================================================================
      34             : /**
      35             :  * @class HelpersHarmonoise
      36             :  * @brief Helper methods for Harmonoise-based noise emission computation
      37             :  *
      38             :  * The stored values compute the recepted noise of either passenger or heavy
      39             :  *  duty vehicles for a distance of 10m from the noise source.
      40             :  */
      41             : class HelpersHarmonoise {
      42             : public:
      43             :     /** @brief Returns the noise produced by the a vehicle of the given type at the given speed
      44             :      *
      45             :      * @param[in] c The vehicle emission class
      46             :      * @param[in] v The vehicle's current velocity
      47             :      * @param[in] a The vehicle's current acceleration
      48             :      * @return The noise produced by the vehicle of the given class running with v and a
      49             :      */
      50             :     static double computeNoise(SUMOEmissionClass c, double v, double a);
      51             : 
      52             : 
      53             :     /** @brief Computes the resulting noise
      54             :      *
      55             :      * @param[in] val The sum of converted vehicle noises ( pow(10., (<NOISE>/10.)) )
      56             :      * @return The resulting sum
      57             :      */
      58             :     inline static double sum(double val) {
      59         389 :         return double(10. * log10(val));
      60             :     }
      61             : 
      62             : 
      63             : private:
      64             :     /// @name vehicle class noise emission coefficients
      65             :     /// @{
      66             : 
      67             :     /// @brief rolling component, light vehicles, alpha
      68             :     static double myR_A_C1_Parameter[27];
      69             : 
      70             :     /// @brief rolling component, light vehicles, beta
      71             :     static double myR_B_C1_Parameter[27];
      72             : 
      73             :     /// @brief rolling component, heavy vehicles, alpha
      74             :     static double myR_A_C3_Parameter[27];
      75             : 
      76             :     /// @brief rolling component, heavy vehicles, beta
      77             :     static double myR_B_C3_Parameter[27];
      78             : 
      79             :     /// @brief traction component, light vehicles, alpha
      80             :     static double myT_A_C1_Parameter[27];
      81             : 
      82             :     /// @brief traction component, light vehicles, beta
      83             :     static double myT_B_C1_Parameter[27];
      84             : 
      85             :     /// @brief traction component, heavy vehicles, alpha
      86             :     static double myT_A_C3_Parameter[27];
      87             : 
      88             :     /// @brief traction component, heavy vehicles, beta
      89             :     static double myT_B_C3_Parameter[27];
      90             :     /// @}
      91             : 
      92             :     /// @brief A-weighted correction for octave bands
      93             :     static const double myAOctaveBandCorrection[27];
      94             : 
      95             :     /// @brief A-weighted correction for surface
      96             :     static const double mySurfaceCorrection[27];
      97             : };