Package org.noise_planet.noisemodelling.emission.railway.nmpb

Class RailwayNMPB

java.lang.Object

org.noise_planet.noisemodelling.emission.railway.nmpb.RailwayNMPB

public class RailwayNMPB
extends Object

Railway noise evaluation from NMPB reference : COMMISSION DIRECTIVE (EU) 2015/996 of 19 May 2015 establishing common noise assessment methods according to Directive 2002/49/EC of the European Parliament and of the Council amending, for the purposes of adapting to scientific and technical progress, Annex II to Directive 2002/49/EC of the European Parliament and of the Council as regards common noise assessment methods part 2.3. Railway noise Return the dB value corresponding to the parameters

Author:

Adrien Le Bellec, Université Gustave Eiffel, Olivier Chiello, Université Gustave Eiffel

Constructor Summary

Constructors

Constructor	Description
RailwayNMPB()

Method Summary

Modifier and Type	Method	Description
RailWayNMPBParameters	evaluate(RailwayVehicleNMPBParameters vehicleParameters, RailwayTrackNMPBParameters trackParameters)	Evaluate the sound level for one Vehicle
double	getAeroV0Alpha(String typeVehicle, String ref, int spectreVer, String aeroInf)
double	getAxlesPerVeh(String typeVehicle)
Double	getBridgeStructural(int bridgeId, int spectreVer, int freqId)
Double	getImpactNoise(int impactNoiseId, int spectreVer, int freqId)
Double	getLambdaValue(String typeVehicle, String refType, int spectreVer, int lambdaId)
Double	getLRoughness(String typeVehicle, int trackRoughnessId, int spectreVer, int idLambda)
int	getNbCoach(String typeVehicle)
com.fasterxml.jackson.databind.JsonNode	getNMPBRailWayData(int fileVersion)	Get the NMPB coefficients from a specific file version (French have their own NMPB coefficients).
com.fasterxml.jackson.databind.JsonNode	getNMPBTrainData()	Specific to French adaptation of the NMPB method Get the SNCF composition of a train (one train can contains one or more vehicles)
com.fasterxml.jackson.databind.JsonNode	getNMPBVehicleData()	Specific to French adaptation of the NMPB method Get the SNCF vehicles characteristics
com.fasterxml.jackson.databind.JsonNode	getNMPBVehicleNode(String typeVehicle)
double	getSpectre(String typeVehicle, String ref, int runningCondition, String sourceHeight, int spectreVer, int freqId)
Double	getTrackRoughness(int trackRoughnessId, int spectreVer, int lambdaId)
Double	getTrackTransfer(int trackTransferId, int spectreVer, int freqId)
Map<String,Integer>	getVehicleFromTrain(String trainName)
Double	getVehTransfer(String typeVehicle, int spectreVer, int freqId)
boolean	isInVehicleList(String vehicleName)	Find if a specific vehicle is in the Vehicle List
static <T> Iterable<T>	iteratorToIterable(Iterator<T> iterator)
void	setEvaluateRailwaySourceNMPB(InputStream NMPBVehicleData, InputStream NMPBTrainData)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RailwayNMPB

public RailwayNMPB()

Method Detail

iteratorToIterable

public static <T> Iterable<T> iteratorToIterable(Iterator<T> iterator)

setEvaluateRailwaySourceNMPB

public void setEvaluateRailwaySourceNMPB(InputStream NMPBVehicleData,
                                         InputStream NMPBTrainData)

Parameters:

NMPBVehicleData -

NMPBTrainData -

getNMPBRailWayData

public com.fasterxml.jackson.databind.JsonNode getNMPBRailWayData(int fileVersion)

Get the NMPB coefficients from a specific file version (French have their own NMPB coefficients).

Parameters:

fileVersion - 1=RailwayNMPBEU_2020.json; other = RailwayNMPBSNCF_2021.json

Returns:

get the NMPB Coefficients

getNMPBVehicleNode

public com.fasterxml.jackson.databind.JsonNode getNMPBVehicleNode(String typeVehicle)

getNMPBVehicleData

public com.fasterxml.jackson.databind.JsonNode getNMPBVehicleData()

Specific to French adaptation of the NMPB method Get the SNCF vehicles characteristics

Returns:

Coefficients related to the characteristics of SNCF vehicles

getNMPBTrainData

public com.fasterxml.jackson.databind.JsonNode getNMPBTrainData()

Specific to French adaptation of the NMPB method Get the SNCF composition of a train (one train can contains one or more vehicles)

Returns:

SNCF composition of a train

getVehicleFromTrain

public Map<String,Integer> getVehicleFromTrain(String trainName)

Parameters:

trainName -

Returns:

isInVehicleList

public boolean isInVehicleList(String vehicleName)

Find if a specific vehicle is in the Vehicle List

Parameters:

vehicleName - Name of a Vehicule

Returns:

true if in list

getLambdaValue

public Double getLambdaValue(String typeVehicle,
                             String refType,
                             int spectreVer,
                             int lambdaId)

Parameters:

typeVehicle -

refType -

spectreVer -

lambdaId -

Returns:

getTrackRoughness

public Double getTrackRoughness(int trackRoughnessId,
                                int spectreVer,
                                int lambdaId)

Parameters:

trackRoughnessId -

spectreVer -

lambdaId -

Returns:

getAxlesPerVeh

public double getAxlesPerVeh(String typeVehicle)

Parameters:

typeVehicle -

Returns:

getNbCoach

public int getNbCoach(String typeVehicle)

Parameters:

typeVehicle -

Returns:

getSpectre

public double getSpectre(String typeVehicle,
                         String ref,
                         int runningCondition,
                         String sourceHeight,
                         int spectreVer,
                         int freqId)

Parameters:

typeVehicle -

ref -

runningCondition -

sourceHeight -

spectreVer -

freqId -

Returns:

getAeroV0Alpha

public double getAeroV0Alpha(String typeVehicle,
                             String ref,
                             int spectreVer,
                             String aeroInf)

Parameters:

typeVehicle -

ref -

spectreVer -

aeroInf -

Returns:

getBridgeStructural

public Double getBridgeStructural(int bridgeId,
                                  int spectreVer,
                                  int freqId)

Parameters:

bridgeId -

spectreVer -

freqId -

Returns:

getTrackTransfer

public Double getTrackTransfer(int trackTransferId,
                               int spectreVer,
                               int freqId)

Parameters:

trackTransferId -

spectreVer -

freqId -

Returns:

getImpactNoise

public Double getImpactNoise(int impactNoiseId,
                             int spectreVer,
                             int freqId)

Parameters:

impactNoiseId -

spectreVer -

freqId -

Returns:

getVehTransfer

public Double getVehTransfer(String typeVehicle,
                             int spectreVer,
                             int freqId)

Parameters:

typeVehicle -

spectreVer -

freqId -

Returns:

getLRoughness

public Double getLRoughness(String typeVehicle,
                            int trackRoughnessId,
                            int spectreVer,
                            int idLambda)

Parameters:

typeVehicle -

trackRoughnessId -

spectreVer -

idLambda -

Returns:

evaluate

public RailWayNMPBParameters evaluate(RailwayVehicleNMPBParameters vehicleParameters,
                                      RailwayTrackNMPBParameters trackParameters)
                               throws IOException

Evaluate the sound level for one Vehicle

Parameters:

vehicleParameters - Vehicle Noise emission parameters

trackParameters - Track Noise emission parameters constant speed

Returns:

LWRoll / LWTraction A and B / LWAerodynamic A and B / LWBridge level in dB

Throws:

IOException