entities.hpp

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#ifndef TYMPAN__ENTITIES_H__INCLUDED
#define TYMPAN__ENTITIES_H__INCLUDED
 
#include "data_model_common.hpp"
#include "Tympan/models/common/atmospheric_conditions.h"
 
namespace tympan
{
class AcousticMaterialBase : public virtual BaseEntity
{
public:
    AcousticMaterialBase(const string& name_);
    virtual ComplexSpectrum get_absorption(double incidence_angle, double length)
    {
        return ComplexSpectrum();
    }
    virtual double get_ISO9613_G()
    {
        return 0.0;
    }
    string name; 
 
}; // class AcousticMaterialBase
 
// TODO Or use boost pointers container ?
typedef shared_ptr<AcousticMaterialBase> material_ptr_t;
typedef std::deque<material_ptr_t> material_pool_t;
 
// -------------------
 
class AcousticBuildingMaterial : public AcousticMaterialBase
{
public:
    AcousticBuildingMaterial(const string& name_, const ComplexSpectrum& spectrum);
    virtual ~AcousticBuildingMaterial(){};
 
    virtual ComplexSpectrum get_absorption(double incidence_angle, double length)
    {
        return spectrum;
    }
 
    ComplexSpectrum asEyring() const; 
 
    ComplexSpectrum spectrum; 
};
 
// -------------------
 
class AcousticGroundMaterial : public AcousticMaterialBase
{
public:
    AcousticGroundMaterial(const string& name_, double resistivity_, double deviation_, double length_,
                           double factor_g_);
    virtual ~AcousticGroundMaterial(){};
 
    virtual ComplexSpectrum get_absorption(double incidence_angle, double length);
 
    const ComplexSpectrum& get_Zc() const
    {
        return Zc;
    } 
    const ComplexSpectrum& get_K() const
    {
        return K;
    } 
 
    void set_thickness(double thickness_)
    {
        thickness = thickness_;
    } 
    void set_deviation(double deviation_)
    {
        deviation = deviation_;
    } 
    void set_length(double length_)
    {
        length = length_;
    }                       
    double get_ISO9613_G(); 
 
    static void set_atmosphere(AtmosphericConditions* atmosphere_)
    {
        atmosphere = atmosphere_;
    } 
 
    bool compare(const string& name, double resistivity, double deviation, double length, double factor_g);
 
protected:
    void computeZc(); 
    void computeK();  
    void computeZs(double angle, ComplexSpectrum Z,
                   ComplexSpectrum& spectrum);        
    void computeZf(double angle, ComplexSpectrum Zs); 
    void computeRp(double angle, const ComplexSpectrum& Zs,
                   ComplexSpectrum& Rp); 
    void computeW(double angle, double length, const ComplexSpectrum& Zs,
                  ComplexSpectrum& W);                           
    void computeFw(ComplexSpectrum localW, ComplexSpectrum& Fw); 
    void computeQ(double angle, ComplexSpectrum& Rp, ComplexSpectrum& Fw,
                  ComplexSpectrum& Q); 
 
    static AtmosphericConditions* atmosphere; 
 
private:
    void init();
 
    TYComplex erfcCas1(const TYComplex& wValue) const;
    TYComplex erfcCas2(const TYComplex& wValue) const;
    TYComplex erfcCas3(const TYComplex& wValue) const;
 
    TYComplex sgnReIm(const TYComplex& W, const TYComplex& G) const;
 
    void limit_W_values(ComplexSpectrum& localW);
    void erfc_G_computation(const ComplexSpectrum& localW, ComplexSpectrum& G);
    void sgn_G_computation(const ComplexSpectrum& localW, ComplexSpectrum& G);
    double gaussianSpectrum(double const k, double const sigma, double const lc);
    double trapz(std::vector<double> u, std::vector<double> integrande);
 
protected:
    double resistivity;
    double thickness;
    double deviation;
    double length;
    double factor_g;
 
    ComplexSpectrum Zc; 
    ComplexSpectrum K;  
    ComplexSpectrum Zf; 
};
 
// -------------------
 
class AcousticTriangle : public virtual BaseEntity
{
public:
    AcousticTriangle(node_idx n1, node_idx n2, node_idx n3);
 
    node_idx n[3];                            
    string volume_id;                         
    shared_ptr<AcousticMaterialBase> made_of; 
};
 
typedef std::deque<AcousticTriangle> triangle_pool_t; 
typedef size_t triangle_idx;
 
// -------------------
 
class SourceDirectivityInterface
{
public:
    virtual Spectrum lwAdjustment(Vector direction, double distance) = 0;
};
 
// -------------------
class SphericalSourceDirectivity : public virtual BaseEntity, public SourceDirectivityInterface
{
public:
    SphericalSourceDirectivity(){};
 
    virtual Spectrum lwAdjustment(Vector direction, double distance)
    {
        return Spectrum(1.0);
    } 
};
 
// -------------------
 
class CommonFaceDirectivity : public virtual BaseEntity, public SourceDirectivityInterface
{
public:
    CommonFaceDirectivity(const Vector& support_normal_, double support_size_)
        : BaseEntity(), support_normal(support_normal_), support_size(support_size_)
    {
    }
 
    ~CommonFaceDirectivity() {} 
 
    Vector get_normal()
    {
        return support_normal;
    }
 
    static void set_atmosphere(AtmosphericConditions* atmosphere_)
    {
        atmosphere = atmosphere_;
    }
 
protected:
    Vector support_normal; 
    double support_size;   
 
    static AtmosphericConditions* atmosphere; 
};
 
class VolumeFaceDirectivity : public CommonFaceDirectivity
{
public:
    VolumeFaceDirectivity(const Vector& support_normal_, double support_size_)
        : CommonFaceDirectivity(support_normal_, support_size_)
    {
    } 
 
    ~VolumeFaceDirectivity() {} 
 
    virtual Spectrum lwAdjustment(Vector direction, double distance); 
 
private:
    static const double _tabRA[];  
    static const double _tabCor[]; 
 
    double calculC(double distance); 
};
//
// ------------------
//
#ifdef NB_KA
    #undef NB_KA
    #define NB_KA 38
#else
    #define NB_KA 38
#endif
 
#ifdef NB_THETA
    #undef NB_THETA
    #define NB_THETA 21
#else
    #define NB_THETA 21
#endif
class ChimneyFaceDirectivity : public CommonFaceDirectivity
{
public:
    ChimneyFaceDirectivity(const Vector& support_normal_, double support_size_)
        : CommonFaceDirectivity(support_normal_, support_size_)
    {
    } 
 
    ~ChimneyFaceDirectivity() {} 
    virtual Spectrum lwAdjustment(Vector direction,
                                  double distance); 
 
private:
    double compute_q(int ka_idx, int theta_idx, double ka, double theta);
 
    static const double _tabQ[NB_KA][NB_THETA];
};
//
// -------------------------
//
#ifdef NB_KA
    #undef NB_KA
    #define NB_KA 9
#else
    #define NB_KA 9
#endif
 
#ifdef NB_THETA
    #undef NB_THETA
    #define NB_THETA 41
#else
    #define NB_THETA 41
#endif
 
class BaffledFaceDirectivity : public CommonFaceDirectivity
{
public:
    BaffledFaceDirectivity(const Vector& support_normal_, double support_size_)
        : CommonFaceDirectivity(support_normal_, support_size_)
    {
    } 
 
    ~BaffledFaceDirectivity() {} 
    virtual Spectrum lwAdjustment(Vector direction,
                                  double distance); 
 
private:
    static const double _tabQ[NB_KA][NB_THETA];
    static const double _tabKa[NB_KA];
 
    double compute_q(int indice_Ka, int indice_theta, double ka, double theta);
 
    int find_Ka_idx(double ka);
};
 
class AcousticSource : public virtual BaseEntity
{
public:
    AcousticSource(const Point& point_, const Spectrum& spectrum_, SourceDirectivityInterface* directivity);
 
    virtual ~AcousticSource(){}; 
 
    Point position;                          
    Spectrum spectrum;                       
    SourceDirectivityInterface* directivity; 
    string volume_id;                        
    string face_id;                          
};
 
typedef std::deque<AcousticSource> source_pool_t; 
typedef size_t source_idx;
 
// -------------------
class AcousticReceptor : public virtual BaseEntity
{
public:
    AcousticReceptor(const Point& position_);
    virtual ~AcousticReceptor(){}; 
 
    Point position; 
};
 
typedef std::deque<AcousticReceptor> receptor_pool_t; 
typedef size_t receptor_idx;
 
// -------------------
 
class GlobalContribution : public virtual BaseEntity
{
public:
    GlobalContribution(){};
    virtual ~GlobalContribution(){};
 
    // XXX Add some attrs?
};
 
// -------------------
 
class DirectivityCoefficient
{
public:
    DirectivityCoefficient(double value_, double theta_, double phi_,
                           bool solid_angle_); 
    virtual ~DirectivityCoefficient(){};       
 
    double value;
    double theta;
    double phi;
    // XXX not sure for the type below.
    bool solid_angle;
};
 
Point ComputeAcousticCentroid(const source_pool_t& tabSources_);
 
} /* namespace tympan */
 
#endif /* TYMPAN__ENTITIES_H__INCLUDED */