LogarithmicWindProfile Class Reference

#include <windprof.h>

Inheritance diagram for LogarithmicWindProfile:

Collaboration diagram for LogarithmicWindProfile:

Public Member Functions
	LogarithmicWindProfile (const Vec3 &X0, const Mat3x3 &R0, const doublereal dZRef, const DriveCaller *pVRef, const doublereal dSurfaceRoughnessLength)
virtual	~LogarithmicWindProfile (void)
virtual bool	GetVelocity (const Vec3 &X, Vec3 &V) const
virtual std::ostream &	Restart (std::ostream &out) const
Public Member Functions inherited from WindProfile
	WindProfile (const Vec3 &X0, const Mat3x3 &R0)
virtual	~WindProfile (void)
Public Member Functions inherited from Gust
virtual	~Gust (void)
void	SetAirProperties (const AirProperties *pap)
virtual Vec3	GetVelocity (const Vec3 &X) const

Protected Attributes
const doublereal	dZRef
DriveOwner	VRef
const doublereal	dSurfaceRoughnessLength
const doublereal	logZRefZ0
Protected Attributes inherited from WindProfile
const Vec3	X0
const Mat3x3	R0
Protected Attributes inherited from Gust
const AirProperties *	pAP

Detailed Description

Definition at line 110 of file windprof.h.

Constructor & Destructor Documentation

LogarithmicWindProfile::LogarithmicWindProfile	(	const Vec3 &	X0,
		const Mat3x3 &	R0,
		const doublereal	dZRef,
		const DriveCaller *	pVRef,
		const doublereal	dSurfaceRoughnessLength
	)

Definition at line 327 of file windprof.cc.

References ASSERT.

: WindProfile(X0, R0),
dZRef(dZRef),
VRef(pVRef),
dSurfaceRoughnessLength(dSurfaceRoughnessLength),
logZRefZ0(std::log(dZRef/dSurfaceRoughnessLength))
{
        ASSERT(dZRef > 0.);
        ASSERT(pVRef != 0);
        ASSERT(dSurfaceRoughnessLength > 0.);
}

LogarithmicWindProfile::~LogarithmicWindProfile ( void  )

virtual

Definition at line 344 of file windprof.cc.

References NO_OP.

{
        NO_OP;
}

Member Function Documentation

bool LogarithmicWindProfile::GetVelocity ( const Vec3 &  X, Vec3 &  V  ) const

virtual

Implements Gust.

Definition at line 350 of file windprof.cc.

References DriveOwner::dGet(), dSurfaceRoughnessLength, Mat3x3::GetVec(), grad::log(), logZRefZ0, WindProfile::R0, VRef, and WindProfile::X0.

{
        // dZ is the component of (X - X0) along axis 3 of R0
        doublereal dZ = R0.GetVec(3)*(X - X0);
        if (dZ <= 0.) {
                return false;
        }

        // V is projected along axis 1 of R0
        V = R0.GetVec(1)*(VRef.dGet()*(std::log(dZ/dSurfaceRoughnessLength) - 0.)/(logZRefZ0 - 0.));

        return true;
}

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std::ostream & LogarithmicWindProfile::Restart ( std::ostream &  out ) const

virtual

Implements Gust.

Definition at line 365 of file windprof.cc.

References dSurfaceRoughnessLength, dZRef, DriveOwner::pGetDriveCaller(), WindProfile::R0, DriveCaller::Restart(), VRef, and WindProfile::X0.

{
        out << "logarithmic"
                << ", reference position, " << X0
                << ", reference orientation, " << R0
                << ", reference elevation, " << dZRef
                << ", reference velocity, ", VRef.pGetDriveCaller()->Restart(out)
                << ", surface roughness length, " << dSurfaceRoughnessLength;
        return out;
}

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Member Data Documentation

const doublereal LogarithmicWindProfile::dSurfaceRoughnessLength

protected

Definition at line 114 of file windprof.h.

Referenced by GetVelocity(), and Restart().

const doublereal LogarithmicWindProfile::dZRef

protected

Definition at line 112 of file windprof.h.

Referenced by Restart().

const doublereal LogarithmicWindProfile::logZRefZ0

protected

Definition at line 116 of file windprof.h.

Referenced by GetVelocity().

DriveOwner LogarithmicWindProfile::VRef

protected

Definition at line 113 of file windprof.h.

Referenced by GetVelocity(), and Restart().

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

• windprof.h
• windprof.cc