#include <windprof.h>

Inheritance diagram for PowerLawWindProfile:

Collaboration diagram for PowerLawWindProfile:

Public Member Functions
	PowerLawWindProfile (const Vec3 &X0, const Mat3x3 &R0, const doublereal dZRef, const DriveCaller *pVRef, const doublereal dPower)

virtual	~PowerLawWindProfile (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	dPower

Protected Attributes inherited from WindProfile
const Vec3	X0

const Mat3x3	R0

Protected Attributes inherited from Gust
const AirProperties *	pAP

Detailed Description

Definition at line 84 of file windprof.h.

Constructor & Destructor Documentation

PowerLawWindProfile::PowerLawWindProfile	(	const Vec3 &	X0,
		const Mat3x3 &	R0,
		const doublereal	dZRef,
		const DriveCaller *	pVRef,
		const doublereal	dPower
	)

Definition at line 166 of file windprof.cc.

References ASSERT.

 : WindProfile(X0, R0),
 dZRef(dZRef),
 VRef(pVRef),
 dPower(dPower)
 {
         ASSERT(dZRef > 0.);
         ASSERT(pVRef != 0);
         // NOTE: should be < 1?
         ASSERT(dPower > 0.);
 }

PowerLawWindProfile::~PowerLawWindProfile ( void )

virtual

Definition at line 183 of file windprof.cc.

References NO_OP.

 {
         NO_OP;
 }

Member Function Documentation

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

virtual

Implements Gust.

Definition at line 189 of file windprof.cc.

References DriveOwner::dGet(), dPower, dZRef, Mat3x3::GetVec(), grad::pow(), 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::pow(dZ/dZRef, dPower));
 
         return true;
 }

Here is the call graph for this function:

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

virtual

Implements Gust.

Definition at line 204 of file windprof.cc.

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

 {
         out << "power law"
                 << ", reference position, " << X0
                 << ", reference orientation, " << R0
                 << ", reference elevation, " << dZRef
                 << ", reference velocity, ", VRef.pGetDriveCaller()->Restart(out)
                 << ", exponent, " << dPower;
         return out;
 }