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ADS - Aircraft Design Software

ADS V320

ADS V320: new features

ENG : engine database
ANA : analysis module
DSGNxyz : design module, level x, level y, level z
DRAG : drag analysis
DGT : digitizer

1. Corrections

ALL: Thanks to the comments from some users which have contributed to improve the software
ALL: Improvement of the algorithms to compute the dynamic pressure behind the main wing and the propeller
ANA: Improvement of the algorithms to compute the tapered ratio of lifting surfaces made by several trapezoidal sections

2. New features

ALL: NEW MODULE- Market price & Technical note
ALL: NEW MODULE - Stability derivatives
ALL: Loading action, shear forces and bending moments (flight envelope)
ALL: New configuration: Two engines, propeller-driven, pod mounted on the fuselage
ALL: Lift distribution with trailing edge devices deflected (ailerons and flaps)
ALL: Multi engine design (up to 10)
ALL: Improvement of the algorithms to compute the nacelle base drag
ALL: Improvement of the algorithms to compute the lift slope of the lifting surfaces
ALL: Dihedral angle for canard surfaces and horizontal tail
ALL: V Angle on the vertical tail
ALL: Twin tail configuration on the fuselage, horizontal tail and wing
ALL: Ventral fin configuration
ALL: Optimisation of the choice of the airfoil section for the different lifting surfaces
ALL: Automatic scan of the results (expertise) & specific message display
ALL: NEW Technical Notes

  • How to choose the right aspect ratio
  • How to choose the right tapered ratio
  • How to choose the right sweep angle
  • How to select the airfoil profile
  • Influence of the selection of the Airworthiness Regulation
  • Drag definition
  • Engine weight
  • Market Price

ANA: Progress bar during the data acquisition
DSGN1: List of the engines with their nominal power
DSGN2: Optimize the length of the fuselage to minimize the zero lift drag
DSGN23: Possibility to specify the convergence factor
DSGN23: Possibility to specify the CG position

V3D: Twist angle of the lifting surfaces
V3D: Display of the CG position, neutral point and forward position
V3D: Display of the main axis

 

ADS V310: new features


ENG : engine database
ANA : analysis module
DSGNxyz : design module, level x, level y, level z
DRAG : drag analysis
DGT : digitizer

1. Corrections

ANA: Speed Polar, conversion of the results when FPSR
ANA: Analysis, update title of the main window
DSGN1: wrong variable initialization when clicking on the Result Menu (Left menu) in order to display the results of a previous run.
DSGN3: cruise altitude must be higher than 0m
ANA/DSGN: wrong display when leaving the design/analysis window when the engine or airfoil windows are displayed at the same time.

2. New features

GEN: automatic modification of the read-only file properties
DSGN1: new procedure to optimize the wing loading (WL) and power loading (PL) to fullfill all the performance requirements at the same time (stall, takeoff, climb, cruise)
DSGN1: compute the performance for a given flight weight (climb, takeoff)
DSGN1: take into account the altitude when computing the friction coefficient
DSGN2: the size of the engine cover is function of the size of the engine
DSGN23: compute the maximum tail-down angle in order to compute the takeoff performance
DSGN23: compute the drag polar (cl(cd))
DSGN123: impossible to compute if the dataset is not complete
DGT: display the reference points
DGT: display the reference axis

ADS V298

ENG : engine database
ANA : analysis module
DSGNxyz : design module, level x, level y, level z
DRAG : drag analysis
DGT : digitizer
HEADUP : Headup display

 

1. Corrections

ALL: English version only, invisible text (propeller, max diameter & maximum mach number)
DSGN2: Engine nacelle : not taken into account in the following configuration: canard & vertical tail, wing mounted engine
DSGN3: Vertical tail, invisible data acquisition area.

2. New features

ALL: during software installation, automatic copy of the data files from the CD to the hard disc
ALL: Check files attributes (Read ONLY)
ALL: Technical note display TN097-E (Methodology) from the main window
ALL: Technical note display TN105-X (Weight Equations) from the result window
ALL: Technical note display TN108 (List of Symbols) from the result window
DSGN23 - Winglets: Add new parameters, relative chord and dihedral angle
DSGN23 - Weight: Check MCF parameters (between 0.5 and 2 for structural item, between 0.1 and 10 for the others)
DSGN23 - Weight: The CGs are computed at every run (CGc) except if the CG is specified by the user (CG)
DSGN23: Add expertise comments on the propeller rpm, longitudinal position of the canard surface, gearbox ratio, fuselage length, vertical tail aspect ratio, ...
DSGN3: Better stall speed computation in function of the CG position
V3D: Introduction of advanced parameters to adapt the shape of the airplane.
V3D: Hide an item by double clic
V3D: Display every item by one clic on the command button. 

ADS V296

ENG : engine database
ANA : analysis module
DSGNxyz : design module, level x, level y, level z
DRAG : drag analysis
DGT : digitizer
HEADUP : Headup display

2. New features

DSGN2: Export to the flight simulator X-Plane (geometry & airfoils & aerodynamic & weight and balance data)
ALL: Call and display of Technical Notes from ADS
ALL: Information and warning messages are displayed in a specific window
ALL: The total number of data files (airplanes, engines, airfoils) is displayed above the list box
DSGN2: It is possible to display the results without making a run (if the dataset has not been modified meanwhile)
DSGN23: It is possible to specify the number of climb segments (Min: 1 (default value), Max 10)
DXF: Update the dxf export to the new standard


ADS V295

ENG : engine database
ANA : analysis module
DSGNxyz : design module, level x, level y, level z
DRAG : drag analysis
DGT : digitizer
HEADUP : Headup display

1. Corrections

DSGN23: Allow the introduction of a relative drag equal to 0%
DSGN23: Compute takeoff run, distance computed during the rotation (radius of rotation)
ANA3: Save the control surface hinge axis position
ANA3: Save the tab hinge axis position
ANA23: Impossible to compute the wing wetted area for a twin boom-mounted configuration
DSGN23: Graph of the propeller rpm, in rotation per second instead of rotation per minute
DSGN3: CG position at maximum takeoff weight (wrong initialization of the weight of occupants), CG position too much forward!
GEN: delete classification folder if the data folder is different than ADS-Data
DGT: A line is displayed if an image is loaded and a command is active (measure of distance, ...)
USEFUL TOOLS: Compute of density altitude

2. New features

INTERFACE: information and warning messages are displayed with a specific mark
INTERFACE: It is no more possible to specify the level of result display (analysis & design)
ANA: glider polar analysis (aerodynamic parameters)
DSGN: New configuration: single wheel/pod mounted/pusher
DSGN/ANA: Propeller pitch stop if propeller pitch angle is lower than 15° or greater than 45°
DSGN/ANA: Electrical engine (engine, batteries)
DSGN/ANA: New equation for the weight of the propeller and the weight of the propeller pitch governor
DSGN/ANA: Propeller inertia
DSGN/ANA: Performances (Vds, Range, End) for OEI condition
DSGN/ANA: Equation display in the result window
DSGN/ANA: New computed values: GS, TAS, IAS (Vds, Vgs, RCMx, RCgs, RDgs, End, Range) Neutral Point (NP), Static Margin (SM)
DSGN23: The data acquisition window is not display if the all the CG and CGc are equal to 0 or ""
DSGN2: Compute tail angle of incidence (cf.TN58)
DSGN2: Generate texture file for the fuselage and the wheel
DSGN23: Improvement for the calculation of the induced drag coefficient
DSGN23: [ADS-Pro] Definition of the mission profile (10 segments)
DSGN23: [ADS-Pro] Compute weight of fuel taking into account the mission profile (10 segments)
DSGN23: Introduction of "Unusual concepts"
DSGN23: Takeoff, taking into account the runway slope and the headwind speed
DSGN23: Climb performances (time to climb, rate of climb)
DSGN23: Landing performances
DSGN23: [ADS-Pro] Airfoil expertise (display a list of airfoils which generate less drag than the selected one)
STAB: CG maximum forward position, taking into account the propeller thrust
V3D: Fuselage cross section visualisation
DGT: Sizeable Window
ALL: Relative chord for the control surfaces from 40% to 50%
ALL: Hinge axis relative position from 60% to 50%
ALL: The propeller efficiency is computed according an optimized algorithm if the propeller pitch angle is 15°<PA<45°, otherwise with a simplified algorithm

Possible to specify the decimal separator

ADS V294

ENG : engine database
ANA : analysis module
DSGNxyz : design module, level x, level y, level z
DRAG : drag analysis
DGT : digitizer
HEADUP : Headup display

1. Corrections

ENG: CG position (inches)

2. New features

DSGN / ANA: flight speed up to Mach 0.9 (transonic drag).

DSGN123: list all the data the user has to enter.

DSGN123: if there is no solution or if the run has been aborted by the user, the data are initialized when go back to the acquisition windows.

DSGN23: 2 options are available to compute the interference drag, 1) specifying the friction coefficient (cf), 2) specifying the relative interference drag.

DSGN3: If it is not possible to compute the propeller at low speed using the optimized algorithms, the propeller is computed using simplified algorithms and a warning message is displayed.

DGT: Dynamic lens, the color of the main axis changes when the mouse is on the line to be digitized.

DRAG: update fuselage friction coefficient in function of the flight speed (MachN) [8% reduction between Mach 0 and Mach 1].

DRAG: update fuselage friction coefficient for a twin engine, with the engines mounted on the wing.

HEADUP: display the convergence factor (speed, weight, wetted area, drag).

PRINT: layout improvement

3. Dataset

4. On-line Help window

DSGN23: friction coefficient (equations and historical values)

DSGN23: relative interference drag (equations and historical values)

ADS V293

GEN: general
ANA: analysis module
DSGNxyz: design module, level x, level y, level z
AERO: aerodynamics
ENG: engine database
HLP: on-line help
DRAG : drag analysis
DGT : digitizer

1. Corrections

DRAG: run time error when computing the induced drag factor for a wing with negative sweep angle

DGT: incomplete initialisation of the digitizer when closing the setup window

DGT: update left menu when closing the setup window

ANA/DSGN: No conversion from SI to FPSR for the following results (the following results are displayed in SI even if the FPSR Unit system was selected)

Ratio :

- Cost Vs Wing area

- Cost Vs Total wetted area

- Cost Vs Glider weight

- Cost Vs Empty weight

- Cost Vs Maximum takeoff weight

- Cost Vs Cruising speed

- Cost Vs Maximum glide ratio

Geometrical data:

- Wing root chord

- Wing tip chord

- Rudder position along the tail span

- Butterfly root chord

- Butterfly tip chord

- Longitudinal position of the butterfly tail

- Engine pylon projected areas

- Landing gear wetted area

Performances

- Density altitude (landing)

- Aerodynamic breakdown (lift at stall)

- Available power (maxi endurance flight condition, maxi range flight condition)

- Specific fuel consumption (cruise, maxi endurance flight condition, maxi range flight condition)

Balance and Stability

- CG longitudinal position (engine pylon, airplane, CG range)

- AC longitudinal position

Weights

- Computed weights (engine pylon, freight, minimum crew, power plant)

Systems

- Fuel and water quantity

2. New features

ANA/DSGN: list of the characteristics of every engines available in the database

ANA/DSGN: new computed values (ratio thrust Vs Engine power)

ANA/DSGN: Y-Tail configuration

ANA/DSGN: Use of simplified algorithms (propeller efficiency) if the propeller pitch angle is out of the limits (between 10° and 13° or between 50° and 55°)

DSGN2: speed polar, bold display if the result comes from the use of simplified algorithms

DSGN2: the length of the fuselage is a function of the number of seat rows

DSGN2: use of default values if the fuselage, nacelles and tailboom could not be generated automatically

Message displayed starting by:

- "F" for the fuselage

- "T" for the tailboom

- "N" for the engine nacelle

DSGN2: the maxi endurance flight condition and maxi range flight condition are computed even if cl > clMx (a warning message is displayed)

3. Dataset

4. On-line Help window

ADS V292

GEN: general
ANA: analysis module
DSGNxyz: design module, level x, level y, level z
AERO: aerodynamics
ENG: engine database
HLP: on-line help

1. Corrections

Error 1: On the On-line Help window, the values are not updated when the user clicked on SI/FPSR on the status bar

Error 2: ANA/DSGN: Turboprop, the maximum horsepower is not taken into account

Error 3: DSGN3: the computed CG position is not correct if the flight weight is different than the maximum takeoff weight

Error 4: DSGN23: the MCF parameters are not displayed properly (Material Correction Factor) [english version only]

Error 5: DSGN23: the CGc (computed CG position) are not computed properly.

Error 6: DSGN23: the engine data, for twin engine aircraft, are not properly initialized

2. New features

GEN : update DynamicPressureRatio function (to take into account the power available at the given flight condition)

GEN : increase the maximum allowable flight altitude, from 11.000m to 25.000m

GEN : airworthiness requirements, specify the category

ANA/DSGN: compute the performances of a 5 blades constant speed propeller

ANA/DSGN: turboprop, compute the Equivalent Shaft Horsepower (ESHP)

ANA/DSGN: compute the blade solidity of a given propeller

DSGN2: Jet, One, PodMounted: the engine nacelle is automatically located on the fuselage in function of the longitudinal position of the engine pod

DSGN2: T-tail : new parameter VTRlTpChord

DSGN2: optimize the fuselage aft part length in function of the longitudinal position of the wing on the fuselage

DSGN2: compute the takeoff speed in function of the deflection angle of the trailing edge device

DSGN3: compute the maximum lift coefficient in function of the CG position

DSGN3: compute the stall speed in function of the CG position

DSGN3: the user may specify a given CG position within the calculated limits

DSGN3: Option, new parameters: flight weight and flight altitude

DSGN23: compute the lift generated by every lifting surfaces at the stall

DSGN23: twin-engine, OEI: compute the drag coefficient in function of the slip angle

DSGN23: twin-engine, OEI: compute the slip angle in function of the characteristics of the vertical tail surface

DSGN123: initialize data during data acquisition (new function)

DSGN123: update the performances of the propeller in function of the blade solidity factor

AERO: take into account the presence of the tailboom or the engine nacelle to compute the lift distribution over the wing

ENG: new engine configuration (X or radial), up to 12 cylinders

ENG: specify fuel consumption at P100%, P75% et P50%.

ENG: turbo propeller : specify SHP (Shaft Horsepower) and ESHP (Equivalent Shaft Horsepower)

HLP: the Tutorial is activated from the main menu

3. Dataset

4. On-line Help window

Display a mark of a given colour (green, orange, red) which indicates the status of the results

174 Messages starting with (NOTE, CAUTION, WARNING) in order to make easier the analysis of the results

 

 

 

 

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