Acoustic model for the default solver. More...

#include <TYAcousticModel.h>

Inheritance diagram for TYAcousticModel:

Collaboration diagram for TYAcousticModel:

[legend]

Public Member Functions
	TYAcousticModel (TYSolver &solver)

virtual	~TYAcousticModel ()

virtual void	compute (const std::deque< TYSIntersection > &tabIntersect, TYTrajet &trajet, TabPoint3D &ptsTop, TabPoint3D &ptsLeft, TabPoint3D &ptsRight)

void	init ()
	Initialize the acoustic model. More...

virtual bool	computeCheminsAvecEcran (const OSegment3D &rayon, const tympan::AcousticSource &source, const TabPoint3D &pts, const bool vertical, TYTabChemin &TabChemins, double distance, bool conditionFav=false) const
	Compute the segment path from the list of the points of the TYTrajet journey. It takes in account the ground reflection. More...

void	computeCheminReflexion (const std::deque< TYSIntersection > &tabIntersect, const OSegment3D &rayon, const tympan::AcousticSource &source, TYTabChemin &TabChemins, double distance) const
	Compute the list of path generated by reflection on the vertical walls. More...

void	computeCheminSansEcran (const OSegment3D &rayon, const tympan::AcousticSource &source, TYTabChemin &TabChemins, double distance, bool conditionFav=false) const
	Compute the list of paths generated by reflection on the ground if there is no screen. More...

void	computeCheminAPlat (const OSegment3D &rayon, const tympan::AcousticSource &source, TYTabChemin &TabChemins, double distance) const
	Compute the list of paths for a perfectly flat and reflective ground. More...

OSpectre	calculC (const double &epaisseur) const
	Compute the spectrum of the C factor used in the diffraction calculation. More...

OSpectre	calculAttDiffraction (const OSegment3D &rayon, const OSegment3D &penteMoyenne, const bool &miroir, const double &re, const double &epaisseur, const bool &vertical, const bool &avantApres, bool &bDiffOk, bool conditionFav=false) const
	Compute the attenuation from the diffraction on the screen. More...

OSpectre	limAttDiffraction (const OSpectre &sNC, const OSpectre &C) const
	Limit the screen attenuation value with a frequency dependent criteria. More...

bool	addEtapesSol (const OPoint3D &ptDebut, const OPoint3D &ptFin, const OSegment3D &penteMoyenne, const tympan::AcousticSource &source, const bool &fromSource, const bool &toRecepteur, TYTabEtape &Etapes, double &longueur) const
	Compute the different steps from a point to another via a reflection and a direct view. More...

void	addEtapeDirectToChemins (const TYEtape &EtapeDirecte, TYTabChemin &TabChemin) const
	Add a direct journey to all the paths. More...

bool	solve (TYTrajet &trajet)
	Compute the source contribution to the point. More...

Public Member Functions inherited from AcousticModelInterface
	AcousticModelInterface ()

virtual	~AcousticModelInterface ()

Private Member Functions
OSpectreComplex	getReflexionSpectrumAt (const OSegment3D &incident, double length, const OSegment3D &segPente, const tympan::AcousticSource &source) const
	Find Reflexion spectrum at point defined by the end of an incident segment. More...

void	meanSlope (const OSegment3D &director, OSegment3D &slope) const
	Create a segment corresponding to the projection of "director" segment on the ground. More...

	FRIEND_TEST (test_TYAcousticModel, calculAttDiffraction)

	FRIEND_TEST (test_TYAcousticModel, calculC)

	FRIEND_TEST (test_TYAcousticModel, limAttDiffraction)

	FRIEND_TEST (test_TYAcousticModel, computeCheminReflexion)

Private Attributes
bool	_useSol

bool	_useReflex

int	_propaCond

bool	_useAtmo

bool	_interference

double	_paramH

std::unique_ptr< AtmosphericConditions >	pSolverAtmos

OSpectre	_lambda

OSpectreComplex	_absoNulle

TYSolver &	_solver
	Reference to the solver. More...

Detailed Description

Acoustic model for the default solver.

Definition at line 31 of file TYAcousticModel.h.

Constructor & Destructor Documentation

◆ TYAcousticModel()

TYAcousticModel::TYAcousticModel ( TYSolver & solver )

Definition at line 30 of file TYAcousticModel.cpp.

Here is the call graph for this function:

◆ ~TYAcousticModel()

TYAcousticModel::~TYAcousticModel ( )

virtual

Definition at line 42 of file TYAcousticModel.cpp.

Member Function Documentation

◆ addEtapeDirectToChemins()

void TYAcousticModel::addEtapeDirectToChemins	(	const TYEtape &	EtapeDirecte,
		TYTabChemin &	TabChemin
	)		const

Add a direct journey to all the paths.

Parameters

[in]	EtapeDirecte	Direct journey.
[out]	TabChemin	Array of all paths.

◆ addEtapesSol()

bool TYAcousticModel::addEtapesSol	(	const OPoint3D &	ptDebut,
		const OPoint3D &	ptFin,
		const OSegment3D &	penteMoyenne,
		const tympan::AcousticSource &	source,
		const bool &	fromSource,
		const bool &	toRecepteur,
		TYTabEtape &	Etapes,
		double &	longueur
	)		const

Compute the different steps from a point to another via a reflection and a direct view.

Parameters

[in]	ptDebut	Starting point.
[in]	ptFin	Ending point.
[in]	penteMoyenne	Mean slope.
[in]	source	Acoustic source.
[in]	fromSource	Boolean if the starting point is the source.
[in]	toRecepteur	Boolean if the ending point is the receptor.
[out]	Etapes	Array of all the computed TYEtape steps.
[out]	longueur	Total length of the different steps

Returns: bool true if succeeds; false if not.

Definition at line 610 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ calculAttDiffraction()

OSpectre TYAcousticModel::calculAttDiffraction	(	const OSegment3D &	rayon,
		const OSegment3D &	penteMoyenne,
		const bool &	miroir,
		const double &	re,
		const double &	epaisseur,
		const bool &	vertical,
		const bool &	avantApres,
		bool &	bDiffOk,
		bool	conditionFav = `false`
	)		const

Compute the attenuation from the diffraction on the screen.

Parameters

[in]	rayon	A segment describing the direct path between source and receptor.
[in]	penteMoyenne	Mean slope between source and receptor
[in]	miroir	Boolean to indicate if we should use the source (false) or the image source (true) during the walking difference computation
[in]	re	Path length to take into account for the walking difference computation
[in]	epaisseur	Total thickness of the obstacle.
[in]	vertical	Boolean to indicate we deal with the vertical plane (maximal attenuation is limited)
[in]	avantApres	Boolean to indicate if we are before (false) or after (true) the obstacle
[out]	bDiffOk	Set to false if the walking difference is <=0, true otherwise

Returns: Attenuation from the diffraction on the screen.

Definition at line 963 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ calculC()

OSpectre TYAcousticModel::calculC ( const double & epaisseur ) const

Compute the spectrum of the C factor used in the diffraction calculation.

Parameters

epaisseur Total thickness of the obstacle.

Returns: A OSpectre giving the correction coefficient for each frequency.

Definition at line 936 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ compute()

void TYAcousticModel::compute	(	const std::deque< TYSIntersection > &	tabIntersect,
		TYTrajet &	trajet,
		TabPoint3D &	ptsTop,
		TabPoint3D &	ptsLeft,
		TabPoint3D &	ptsRight
	)

virtual

Definition at line 71 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ computeCheminAPlat()

void TYAcousticModel::computeCheminAPlat	(	const OSegment3D &	rayon,
		const tympan::AcousticSource &	source,
		TYTabChemin &	TabChemins,
		double	distance
	)		const

Compute the list of paths for a perfectly flat and reflective ground.

Parameters

[in]	rayon	A segment describing the acoustic ray.
[in]	source	The acoustic source.
[out]	TabChemins	Paths list of the journey generated.
[out]	distance	Journey distance

Definition at line 143 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ computeCheminReflexion()

void TYAcousticModel::computeCheminReflexion	(	const std::deque< TYSIntersection > &	tabIntersect,
		const OSegment3D &	rayon,
		const tympan::AcousticSource &	source,
		TYTabChemin &	TabChemins,
		double	distance
	)		const

Compute the list of path generated by reflection on the vertical walls.

Parameters

[in]	tabIntersect	Array of intersections
[in]	rayon	A segment describing the acoustic ray.
[in]	source	The acoustic source.
[out]	TabChemins	Paths list of the journey generated by reflection.
[out]	distance	Journey distance

Definition at line 807 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ computeCheminSansEcran()

void TYAcousticModel::computeCheminSansEcran	(	const OSegment3D &	rayon,
		const tympan::AcousticSource &	source,
		TYTabChemin &	TabChemins,
		double	distance,
		bool	conditionFav = `false`
	)		const

Compute the list of paths generated by reflection on the ground if there is no screen.

Parameters

[in]	rayon	A segment describing the acoustic ray.
[in]	source	The acoustic source.
[out]	TabChemins	Paths list of the journey generated (1 or 2 under favorables conditions).
[out]	distance	Journey distance

Definition at line 234 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ computeCheminsAvecEcran()

bool TYAcousticModel::computeCheminsAvecEcran	(	const OSegment3D &	rayon,
		const tympan::AcousticSource &	source,
		const TabPoint3D &	pts,
		const bool	vertical,
		TYTabChemin &	TabChemins,
		double	distance,
		bool	conditionFav = `false`
	)		const

virtual

Compute the segment path from the list of the points of the TYTrajet journey. It takes in account the ground reflection.

Parameters

[in]	rayon	A segment describing the acoustic ray.
[in]	source	The acoustic source.
[in]	pts	The list of points of the journey.
[in]	vertical	boolean to indicate we deal with the vertical plane
[out]	TabChemins	Paths list of the journey
[out]	distance	Journey distance

Returns: true if succeeds; false otherwise.

Definition at line 443 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ FRIEND_TEST() [1/4]

TYAcousticModel::FRIEND_TEST	(	test_TYAcousticModel	,
		calculAttDiffraction
	)

private

◆ FRIEND_TEST() [2/4]

TYAcousticModel::FRIEND_TEST	(	test_TYAcousticModel	,
		calculC
	)

private

◆ FRIEND_TEST() [3/4]

TYAcousticModel::FRIEND_TEST	(	test_TYAcousticModel	,
		limAttDiffraction
	)

private

◆ FRIEND_TEST() [4/4]

TYAcousticModel::FRIEND_TEST	(	test_TYAcousticModel	,
		computeCheminReflexion
	)

private

◆ getReflexionSpectrumAt()

OSpectreComplex TYAcousticModel::getReflexionSpectrumAt	(	const OSegment3D &	incident,
		double	length,
		const OSegment3D &	segPente,
		const tympan::AcousticSource &	source
	)		const

private

Find Reflexion spectrum at point defined by the end of an incident segment.

Definition at line 1106 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ init()

void TYAcousticModel::init ( )

Initialize the acoustic model.

Definition at line 47 of file TYAcousticModel.cpp.

Here is the call graph for this function:

◆ limAttDiffraction()

OSpectre TYAcousticModel::limAttDiffraction	(	const OSpectre &	sNC,
		const OSpectre &	C
	)		const

Limit the screen attenuation value with a frequency dependent criteria.

Parameters

sNC	Non corrected spectrum
C

Definition at line 1044 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ meanSlope()

void TYAcousticModel::meanSlope	(	const OSegment3D &	director,
		OSegment3D &	slope
	)		const

private

Create a segment corresponding to the projection of "director" segment on the ground.

Definition at line 1163 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ solve()

bool TYAcousticModel::solve ( TYTrajet & trajet )

Compute the source contribution to the point.

Parameters

trajet Journey

Definition at line 1077 of file TYAcousticModel.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

◆ _absoNulle

OSpectreComplex TYAcousticModel::_absoNulle

private

Definition at line 199 of file TYAcousticModel.h.

◆ _interference

bool TYAcousticModel::_interference

private

Definition at line 193 of file TYAcousticModel.h.

◆ _lambda

OSpectre TYAcousticModel::_lambda

private

Definition at line 198 of file TYAcousticModel.h.

◆ _paramH

double TYAcousticModel::_paramH

private

Definition at line 194 of file TYAcousticModel.h.

◆ _propaCond

int TYAcousticModel::_propaCond

private

Definition at line 191 of file TYAcousticModel.h.

◆ _solver

TYSolver& TYAcousticModel::_solver

private

Reference to the solver.

Definition at line 203 of file TYAcousticModel.h.

◆ _useAtmo

bool TYAcousticModel::_useAtmo

private

Definition at line 192 of file TYAcousticModel.h.

◆ _useReflex

bool TYAcousticModel::_useReflex

private

Definition at line 190 of file TYAcousticModel.h.

◆ _useSol

bool TYAcousticModel::_useSol

private

Definition at line 189 of file TYAcousticModel.h.

◆ pSolverAtmos

std::unique_ptr<AtmosphericConditions> TYAcousticModel::pSolverAtmos

private

Definition at line 196 of file TYAcousticModel.h.

The documentation for this class was generated from the following files:

/home/docs/checkouts/readthedocs.org/user_builds/codetympan/checkouts/latest/Tympan/solvers/DefaultSolver/TYAcousticModel.h
/home/docs/checkouts/readthedocs.org/user_builds/codetympan/checkouts/latest/Tympan/solvers/DefaultSolver/TYAcousticModel.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ TYAcousticModel()

◆ ~TYAcousticModel()

Member Function Documentation

◆ addEtapeDirectToChemins()

◆ addEtapesSol()

◆ calculAttDiffraction()

◆ calculC()

◆ compute()

◆ computeCheminAPlat()

◆ computeCheminReflexion()

◆ computeCheminSansEcran()

◆ computeCheminsAvecEcran()

◆ FRIEND_TEST() [1/4]

◆ FRIEND_TEST() [2/4]

◆ FRIEND_TEST() [3/4]

◆ FRIEND_TEST() [4/4]

◆ getReflexionSpectrumAt()

◆ init()

◆ limAttDiffraction()

◆ meanSlope()

◆ solve()

Member Data Documentation

◆ _absoNulle

◆ _interference

◆ _lambda

◆ _paramH

◆ _propaCond

◆ _solver

◆ _useAtmo

◆ _useReflex

◆ _useSol

◆ pSolverAtmos