experience and innovation

ACPro

Directory List

ACEngine, ACFlex, ACModels, ACPerformance, ACPointMass, AeroPro, AircraftPro, Airships, Atmosphere, Pilots, Wind, Demos/ACEngine, Demos/ACModels, Demos/ACPointMass, Demos/AeroPro, Demos/AircraftPro, Demos/Airships, Demos/Atmosphere,

Functions and Demos

ACEngine

AOverAStar - A/A* computation from mach number and ratio of specific heats.

F100 - Gas Turbine 16th-order F100 linear model: Pratt and Whitney

FAIR - Computes the gas constants for hydrocarbon/air mixtures. This model

FMixedExhaustTurbofan - Function called by FZero to solve for tauTL. Only y is used by FZero.

JetEngineAnalysis - Jet engine analysis. You can vary up to two of the

JetEngineDefinitions - Definitions of data. If no output arguments are specified it will

JetEngineEfficiency - Computes the jet engine efficiency for an engine.

JetEnginePerformance - Jet engine performance. You can vary up to two of the parameters in p.

MachFromMassFlowParameter - Mach number from mass flow parameter. You need to enter a guess for

MachFromPR - Computes Mach number from pressure ratio and gamma.

MassFlow - Computes the mass flow divided by the inlet area. The code

MassFlowParameter - Mass flow parameter.

MassFlowParameterR - Mass flow parameter with gamma, r and Mach number as inputs. An

MassInflowSupersonic - Mass inflow for a supersonic diffuser

PlotGasTurbineData - Generate plots from the Gas Turbine analysis functions.

PressureRatioFromTemp - Computes pressure ratio from temperature ratio, efficiency and gamma.

PressureTotal - Total pressure.

PropellerEfficiency - Computes propeller efficency fromMach number.

PropellerPower - Propeller power and induced velocity

PropellerPowerVsV - Power vs. velocity for a propeller

RFromCPAndGamma - Computes R from cP and gamma.

RamRecovery - Ram recovery in an inlet. This computes the loss of pressure due to

StaticPumping - Static pumping of air.

TempRatioFromMachAndGamma - Computes the total temperature ratio from Mach number and gamma.

TempRatioFromPressure - Computes Temperature ratio

TemperatureTotal - Total pressure.

Theta0 - Computes the dimensionless total temperature.

Throttle - Computes the value of the burner temperature given the throttle ratio


ACFlex

BldFlex - Creates the flex model interfaces.


ACModels

DeltaWing - Generates a double delta wing.

Fuselage - Generates a fuselage. The fuselage centerline is along x.

Wing - Generates a Wing. The tail points in the z direction.


ACPerformance

ACWeightEstimation - Computes aircraft weight. Any parameter can be varied except type. You must

BreguetRangeEquation - Computes the Breguet range.

ConcordeLD - Optimal lift and drag coefficients for the Concorde as a function of mach

ConcordeProperties - Returns Concorde properties. The SFC and F/delta are only valid between

LiftAndDrag - Computes lift and drag coefficients for a vehicle using simple formulas.

NewtonianLD - Newtonian lift and drag per unit dynamic pressure.

RateOfClimb - Computes the rate of climb and acceleration.

Takeoff - Computes the required roll distance and liftoff velocity.

VStall - Computes the stall velocity.


ACPointMass

APMLinMod - Compute a linear model for a point mass aircraft at a flight condition.

AircraftPointMassCLPSim - Simulate the controlled trajectory of a point mass aircraft model.

AircraftPointMassControl - Compute the control inputs for a point mass aircraft model.

AircraftPointMassDLM - Generate a discrete time-varying linear model of a point-mass aircraft.

AircraftPointMassRHS - Compute the state derivatives of a point mass aircraft model.

AircraftPointMassSim - Simulate the trajectory x(t) of a point mass aircraft model given u(t)


AeroPro

HorizontalWind - Form:

WindGust - Wind gust model. Generates state space equations or spectral densities.


AircraftPro

A10 - Provides two A10 aircraft models: conventional and tilt-wing.

AIRC - AIRC aircraft model.

CCV - CCV aircraft model.

CCVSobel - CCV aircraft model with a pitch pointing mode.

CreateMVSSetupFileEntries - Creates setup file entries for MultiVehicleSim

F18Model - Generates a state space F-18 model from a range of models.

OH6A - OH6A hover model.

STOVL - Short Takeoff Vertical Landing aircraft model.


Airships

AirshipDesignGUI - High-level airship design tool.

Airship3DLayout - Plot a 3D layout of an airship model, including hull, fins, and gondola

AirshipAeroAnalysis - Plot the airship aero coefficients across angle of attack and sideslip

AirshipBallonets - Plot a 3D airship hull, fins, gondola, and show internal ballonets

AirshipDynamics - Examine the open-loop root locus across altitude, velocity, pitch

AirshipTrimAnalysis - Compute the trim controls for an airship at a range of flight conditions

GenerateAirshipAeroMats - Compute the aerodynamic force and torque for an airship at a range of

GenerateAirshipLinMods - Generate linear models of an airship at a range of flight conditions.

GetAirshipLinMod - Obtain the linear model of an airship at a particular flight condition.

LatLon - Find the latitude and longitude of a major U.S. city.

WindLatLon - Compute horizontal wind variance with latitude and longitude.

WindLatLonAlt - Compute horizontal wind variance with latitude, longitude, and altitude.

AirshipAutopilot - Autopilot for an airship.

AirshipControlSim - Controlled airship simulation with autopilot and feedback control.

AirshipLinMod - Compute a linearized model of an airship at a given flight condition.

AirshipStatespace - Extract the long. and lat.-dir. statespace models for an airship

AirshipTrim - Compute the trim controls for an airship at a given flight condition.

Airship_KLat - The lateral-directional control laws for an airship.

Airship_KLon - The longitudinal control laws for an airship.

AirshipMDot - Estimate the precent rate of change of mass per minute across altitude

AirshipMassModel - Initialize and update the airship mass model as it changes with alt.

BuildAirshipMassModel - Generate a distributed mass model for an axisymmetric airship.

IntegrateMassProps - Integrate the mass properties of multiple components into a single body

AddedMass - Generate the added mass for various geometric shapes. At this point

AirshipCV - Compute the x-location of the center of volume of an airship hull.

AirshipCoefficients - Load the approximate aerodynamic coefficients for an airship.

AirshipDrag - Compute the approximate drag on an airship.

AirshipGeometry - Compute the main geometric properties of an airship hull.

AirshipInertiaFactors - Compute the added mass/inertia factors for an airship hull.

AirshipIntegrals - Compute the geometric integrals for a double-ellipsoid airship hull.

BalanceAirshipPayload - Determine the x-location of the payload that provides long. balance.

BuildAirshipModel - Build the aerodynamic model of an airship.

CDAirship - The moment coefficient of an airship envelope. dK is a column vector.

CLAirship - The lift coefficient of an airship envelope.

CMAirship - The moment coefficient of an airship envelope. dK is a column vector.

DrawAirship - Create a 3-D image of an airship hull.

FinFactors - Compute the hull and fin efficiency factors for an airship.

FinGeometry - Compute the fin reference area, hull projection, mean chord and width.

GondolaGeometry - Compute the surface area and center of mass of an airship gondola.

HalfEllipsoid - Compute volume, surf area, centroid and specific MOI of half-ellipsoid

ASM1 - Airship Model #1

ASM2 - Airship Model #2

ASM3 - Airship Model #2

ASM4 - Airship Model #4

SolarCellCoverage - Determine the mass available for airship structure and systems.

StructuralMass - Determine the mass available for airship structure and systems.

AirshipAero - Aerodynamic forces and moments for an airship. All terms in body frame.

AirshipInit - Initialize an aircraft data structure and state for airship simulation

AirshipPropeller - Airship propeller model.

AirshipSensor - Sensor model for airship. Outputs are

AirshipSim - Simulate an airship in flight

AirshipSimGUI - GUI for setting up airship simulations


Atmosphere

AirMass - Computes the relative air mass to sea level and a vertical path.

AtmosphereLayers - Names th atmospheric layer for altitude h.

GeoMagLatLon - Geomagnetic latitude and longitude.

GeomagneticRigidity - Geomagnetic rigidity using a dipole model.


Pilots

Pilot - Build a pilot model


Wind

WindFunction - Approximate the Horizontal Wind Model (HWM93) with analytic functions

WindModel - Combined steady-state and gust model for wind. To be used in simulation.

WindTrendsDemo - Animate the variation of wind magnitude and direction.

WindsGUI - GUI for generating wind data over a range of parameters

WindsPlot - Generate 3D plots of wind data vs. altitude, latitude, longitude, time.


Demos/ACEngine

F100Demo - Look at the F100 model

JetEngineAnalysisDemo - Demo JetEngineAnalysis

JetEnginePerformanceDemo - Demo JetEnginePerformance


Demos/ACModels

BuildAirToAirMissile - Build a generic air-to-air missile.


Demos/ACPointMass

AircraftTrajectoryControlSim - Script to simulate aircraft trajectory control


Demos/AeroPro

Gust - See the response of an F16 to a gust using a state space model.


Demos/AircraftPro

AIRCSim - Longitudinal simulation using the AIRC aircraft model.

CCVEV - Demonstrate eigenvector assignment using a CCV Model

CCVPitchPointing - Demonstrate eigenvector assignment using an STOVL Model for transition.

L1011EV - Demonstrate eigenvector assignment using a CCV Model

L1011EVConstraints - Demonstrate eigenvector assignment using an L1011 STOVL Model.

LQLTR - Demonstrate linear quadratic regulator with loop transfer recovery.

LQOF - Demonstrate linear quadratic output feedback.

OH6ABryson - Run a linearized simulation of the OH6A.

OH6ASim - Run a linearized simulation of the OH6A.

STOVLEV - Demonstrate eigenvector assignment using an STOVL Model

STOVLLatTransitionEV - Demonstrate eigenvector assignment using an STOVL Model for transition.

STOVLLonHoverEV - Demonstrate eigenvector assignment using an STOVL Model

STOVLLonTransitionEV - Demonstrate eigenvector assignment using an STOVL Model for transition.

STOVLTransitionEV - Demonstrate eigenvector assignment using an STOVL Model for transition.


Demos/Airships

AirshipAeroDemo - Demonstrate the AirshipAero function.

AirshipControlDemo - Demonstrate feedback control of an airship.

AirshipDemo - Simulate the airship dynamic model.

AirshipLinModDemo - Compare linear and non-linear simulations of an airship.

FlyAirship - Fly an Airship.


Demos/Atmosphere

Atmosphere - Generate plots and a latex table of atm. properties across altitude.


SVN Revision: 11981


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