FinSet Class Reference

Represents a set of aerodynamic fins attached to a rocket stage. More...

#include <FinSet.h>

Public Member Functions
	FinSet (const std::string &name, int numberOfFins, double rootChord, double tipChord, double span, double sweepLength, double thickness, double materialDensity)
	Constructs a new FinSet.
	~FinSet ()=default
	Default destructor.
double	calculateNormalForceCoefficient () const
	Calculates the normal force coefficient contribution of the fin set.
double	calculateCenterOfPressure () const
	Calculates the location of the center of pressure contribution of the fin set.
double	calculateDragArea () const
	Calculates the drag area contribution of the fins.
double	calculateMass () const
	Calculates the total mass of the fin set.
const std::string &	getName () const
	Gets the name of the fin set.

Private Member Functions
double	calculateSingleFinArea () const
	Helper method to calculate the planform area of a single fin.

Private Attributes
std::string	name_
	Name of the fin set.
int	numberOfFins_
	Number of fins in the set.
double	rootChord_
	Root chord length [m].
double	tipChord_
	Tip chord length [m].
double	span_
	Span (distance from airframe to tip) [m].
double	sweepLength_
	Sweep length (leading edge sweep) [m].
double	thickness_
	Thickness of fin [m].
double	materialDensity_
	Material density [kg/m3].

Detailed Description

Represents a set of aerodynamic fins attached to a rocket stage.

The FinSet class models stability contributions, drag effects, and center of pressure location based on fin geometry and number.

Constructor & Destructor Documentation

FinSet()

FinSet::FinSet	(	const std::string &	name,
		int	numberOfFins,
		double	rootChord,
		double	tipChord,
		double	span,
		double	sweepLength,
		double	thickness,
		double	materialDensity )

Constructs a new FinSet.

Parameters

name	Name of the fin set.
numberOfFins	Number of fins in the set.
rootChord	Root chord length (meters).
tipChord	Tip chord length (meters).
span	Fin span (meters).
sweepLength	Sweep length of the fin (meters).
thickness	Fin thickness (meters).
materialDensity	Density of fin material (kg/m3).

~FinSet()

FinSet::~FinSet ( )

default

Default destructor.

Member Function Documentation

calculateCenterOfPressure()

double FinSet::calculateCenterOfPressure

(

)

const

Calculates the location of the center of pressure contribution of the fin set.

Returns

Distance from leading edge of root chord (meters).

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calculateDragArea()

double FinSet::calculateDragArea

(

)

const

Calculates the drag area contribution of the fins.

Returns

Drag area (Cd x A) in square meters.

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calculateMass()

double FinSet::calculateMass

(

)

const

Calculates the total mass of the fin set.

Returns

Mass in kilograms.

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calculateNormalForceCoefficient()

double FinSet::calculateNormalForceCoefficient

(

)

const

Calculates the normal force coefficient contribution of the fin set.

Returns

Normal force coefficient (Cn).

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calculateSingleFinArea()

double FinSet::calculateSingleFinArea ( ) const

private

Helper method to calculate the planform area of a single fin.

Returns

Planform area in square meters.

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getName()

const std::string & FinSet::getName

(

)

const

Gets the name of the fin set.

Returns

Fin set name as a constant reference.

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Member Data Documentation

materialDensity_

double FinSet::materialDensity_

private

Material density [kg/m3].

name_

std::string FinSet::name_

private

Name of the fin set.

numberOfFins_

int FinSet::numberOfFins_

private

Number of fins in the set.

rootChord_

double FinSet::rootChord_

private

Root chord length [m].

span_

double FinSet::span_

private

Span (distance from airframe to tip) [m].

sweepLength_

double FinSet::sweepLength_

private

Sweep length (leading edge sweep) [m].

thickness_

double FinSet::thickness_

private

Thickness of fin [m].

tipChord_

double FinSet::tipChord_

private

Tip chord length [m].

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

• include/FinSet.h
• src/FinSet.cpp