2005-01_prodas v3 capabilities

7/26/2019 2005-01_PRODAS V3 Capabilities

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AIAA Tactical Inteceptor Technology

Symposium 2005, Huntsville, AL

Jan. 20-21, 20

Session 3-3 - PRODAS Version 3

Capabilities

Jan 20-21, 2005 Session 3-3 - PRODAS Version 3

Capabilities

1

2

nd

AIAA Tactical Interceptor Technology Symposium

Huntsville Alabama

Projecti le Rocket Ordnance

Design and Analysis Software

(PRODAS Version 3) Capabili ties

Mr. John Whyte

Systems EngineerArrow Tech Associates

Email:[email protected]: (802)865-3460 ext 13


Capabilities

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Overview Objectives

Overview of PRODAS Version 3 Capabilities

Scope Physical Properties

Aerodynamic Prediction

Trajectory Simulation

Terminal Ballistics

Interior Ballistics

Firing Tables

Structural Analysis

Test Simulation/Design of Experiments

Dispersion

Miscellaneous


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Introducing:

PRODAS V 3.0PRODAS V 3.0 is a complete

Ammuni tion System Analytical Tool for total project iledesign including

1. Phys ical Properties

2. Aerodynamic Coefficients and Stability

3. Trajectory Simulat ion

4. Fi ri ng Tables

5. Terminal Bal list ics

6. In ter io r Bal li st ics

7. St ructural Analys is

8. System Effectiveness

9. Design of Experiments/Test Simulation

10. Dispersion

11. Maneuver Authority/Guidance and Control

PRODAS V 3.0 is an Integrated Package that takes projectile analysisto a new level!


Capabilities

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2

nd

AIAA Tactical Interceptor Technology Symposium

Huntsville Alabama PRODAS V 3.0

Physical Properties:

1. Model editor

2. Mass Properties

3. Reference Library

Materials Reference Book

Propellant Reference Book

Gun Data Base Ignitor Reference Book


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Visual Model Editor

W/ Advanced Features

Build Cartridges From Components & Assemblies

Scale Up or Down, Auto Balance References & Move Projectiles, Cartridge Cases, Barrels!


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Convenient Materials

Properties Reference!

Pull-Down Menu for Common Component Materials


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Component Description

Pull Down Menu For Component Physical Function,

Expanded Function Menu


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Before Zoom

1st Zoom Complete,

2nd Zoom Ready

Right Mouse Click Enabled

Zoom Window Returns to

Fit Whole Projectile On Screen

Editing Zoom


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Copy & Paste

Copy & Paste: Elements, Components & Assemblies!


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Mass Properties: Break-out By Components & Assemblies!

Projectile Mass Properties: Flying, As Launched, & At Burn-out

Supplemental Properties: Case Mass & Volume, Charge Mass

Sabot Petal Mass & Inertial Properties

Mass Properties


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Pull Down Tabs For Various Cartridge Configurations

Mass Properties

Visual Output


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PRODAS V 3.0

Aerodynamic Coefficient Prediction:

1. Spinner 2004

2. Finner 98

3. NSWC AP Methodology

4. AFRL/ARMDEC Missile DATCOM

5. Stability Analysis


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Physical & Aerodynamic

Model Comparison

Visual Comparison of Geometric

and Aerodynamic Projectile Models


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Expanded Spinner Aero Prediction

Shapes & Mach #s

Expanded Finner Aero Prediction

Aeros, Shapes, Mach #s, Fin Types

New Stability Analyses for Spinners & Finners

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0 0.5 1 1.5 2 2.5 3 3.5 4

Mach

M8

M794

Arrow Tech-PRODAS2000 Cross Plots 06/13/2000

Drag Coeff. vs. Mach Number

0.0

0.5

1.0

1.5

2.0

2.5

0 0.5 1 1.5 2 2.5 3 3.5 4

Mach

M794

M8


Gyro Stability Factor vs. Mach Number

Aerodynamic Coeff.

Prediction & Stability


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Empirical Code based on Analysis of free flight data, wind tunnel and

test range data of 300+ ProjectilesProjectile Length 1.5 to 30.0+ CalibersOgive Length: 0.5 to 5.0 Calibers, Spike NoseBoattail Length 0.0 to 2.0 Calibers

Fins, Flare Stabilizer, Grooved Bodies

4 Fin Types, T-Pads, Wrap Around Fins, Angle of

Attack Induced Aero Predictions

SpinnerAxial Force: +3%

Normal Force: +4%

Pitching Moment: +3%

Magnus Moment: +15%Pitch Damping Moment: +10%

Spin Deceleration Moment: +7%

Finner+7%

+7%

+7%

+---%+15%

+15%

Spinner 2004 &

Finner - 98 Code


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Spinner Input

Defaults Passed Thru From Mass Properties


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Spinner Tabular Output

Copy & Paste Results to Reports or Spreadsheets!


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Spinner Plot Output

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0 1 2 3 4 5 6 7 8

MachArrow Tech Assoc-PRODA S2000 30heaj.pr2 30MM PGU13 HEI AEROJET 08/26/ 1999

Cx0 Zero Yaw Drag

Copy & Paste Plots or Cross Plots to Reports!


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Trims & Angle Of Attack Induced

Aerodynamic Coefficients

New Dynamic Stability Predictive Capability!


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Prodas V 3.0Stability Evaluation: Using the data generated during the aero prediction, mass properties

and gun launch parameters calculates1. Spinners :

1. Gyroscopic Stability at Launch

2. Spin Rate at Launch

3. Magnus/Dynamic Stability

4. Yaw Frequencies/Performance

5. Jump Factor

6. Ballistic Coefficient

2. Finners:1. Steady State Spin Frequency/Launch Spin Rate

2. Yaw Frequency/Performance

3. Static Margin

4. Jump Factor

5. Ballistic Factor


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Prodas V 3.0


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PRODAS V 3.0


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0.0

0.5

1.0

1.5

2.0

2.5

0 0.5 1 1.5 2 2.5 3 3.5 4Mach

M794

M8


Gyro Stability Factor v s. Mach Number

Gyroscopic Stability Comparison


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PRODAS V 3.0 Finner Stability Formatted Output


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PRODAS V 3.0 Spinner Stability Formatted Output


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PRODAS V 3.0 2003 Present: Army Research Labs sponsored

PRODAS Interface with NSWC AP Methodology andAFRL/ARMDEC Missile DATCOM aeropredictioncapabilities

PRODAS V 3.0 model editor generates physicalmodel for input into NSWC and AFRL/ARMDECaeroprediction methodologies

Derived Aerodynamics imported into PRODAS aerodatabase and passed through to Stability Evaluation,Trajectory, Controlled Trajectory and Guidance and

Control along with plotting routines. Standard input/output properties for each code

preserved within PRODAS windows interface


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PRODAS V 3.0


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PRODAS V 3.0


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PRODAS V 3.0


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PRODAS V 3.0


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PRODAS V 3.0


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Trajectory Options1. 4DOF Modified to calculate Yaw of Repose, Average Yaw, and Jump

2. 6DOF Fixed Plane and Body Fixed

3. Controlled Trajectory Body Fixed 6DOF that allows control inputs such

as canard deflection, thrusters and force injection

4. Guidance and Control Body fixed 6DOF that allows interface and design

of Guidance algorithm

-3.24007e-008

1000

2000

3000

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5000

6000

0 5000 10000 15000 20000

X(m)

155mm HE



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Trajectory Initial

Conditions Menu

Define Gun Position & PointingProjectile Exit Conditions


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Trajectory Projectile Parameters

Direct Access to Projectile Mass Properties

& Aero Form Factors


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Input Page

Modify Atmosphere For Each Projectile

MeteorologicalInput

Trajectory Initial

Conditions Menu


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Tracer/BB Inputs

Thrust / Tracer / Base Burn Entry


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Tabular Results

Copy & Paste Results to Report or Spreadsheet!


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TrajectoryGraphical Output

Plots vs. ToF or Slant Range, Cross Plots


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TrajectoryControlled trajectory (CONTRAJ) - Allows simulationof user defined control events (canard, thruster, and forceinjection).

Allows user to control up to 3 different sets of fins

Time of Deployment

Cant Angle vs time

Rotational orientation of deployment

Spin effects

Allow user multiple squib events

Axial Location

Angular orientation in Roll and Thrust Vector

Time and magnitude of thrust event


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Guided Projectile


Build the FCS

Define Maneuver System

Fly the ProjectileCreate 3-D Video!


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New 3-D Flight Visualizer

Create 3-D Movies of Flight Dynamics

Or Course Correction Maneuvers!


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3-D Flight Visualizer

Preloaded Range Backgrounds for Flight Visualizations


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3-D Trajectory Video


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AT-JETSuite, predicts the penetrationperformance of shaped charge warheadsagainst monolithic and spaced armorarrays. Click here for an Overview:

With imbedded Pull Down Menus, AT-JETSuite provides rapid analyticalpenetration capability with exceptionallylow overhead, just like the otherPRODAS Analyses Modules!

AT-JETSuite


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PRODAS V 3.0

Terminal Ballistics:1. BAL 66 (L/D Below 6), Lambert (High L/D) calculates

penetration against monolithic armor at range. User can input

Brinell Hardness, Target Thickness and Target Range.

Penetrator Characteristics are passed down via mass

properties.

2. HE Fragmentation calculates fragmentation distribution, fly off

velocity and fly angles.

3. Jetsuite Calculates formation and armor penetration

performance of shaped charge liners.


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Validated Predictive Code!Perform Shaped Charge Warhead Optimization!

Explosive Type, Height, DiameterLiner Angle, Thickness, Material, Stand-offCasing Thickness, MaterialTarget Configuration (monolithic or spaced)

On-linematerial propertiesreferencesfor:ExplosiveLinerCasingTarget

JETSuite is a Development of QuinetiQ (UK) and Integrated by Arrow Tech Associates (USA)

into PRODAS to predict Armor Penetration of Shaped Charge Warheads. AT-JETSuite

benefits are:

AT-JETSuite is comprised of three computational routines:

JET-Form to compute jet formation JET-Break to predict jet particulation JET-Pen to simulate jet interaction with the target

AT-JETSuite

Overview


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Complete Jetsuite Reference Materials!Easy to Access!

Over 30 ListedExplosives!

Seven LinerMaterial Options

AT-JETSuite

Menus


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Jet Formation X-Ray

JET-Form: Predicts Jet Velocity, Diameter & LengthJET-Form

Compute Jet Parameters

Define Liner & CaseDefine Warhead

Jet Formation X-Ray


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JET-Break: Computes Number & Length of Particles

Characteristics of Broken & Unbroken Jet

JET-Break


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JET-Pen Computes Penetration vs.Stand-off & Hole Geometry

JET-Pen

Detailed Plot, Tabular

& Formatted Output!Easy Set-up!


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Validated Predictive Codefor Shaped Charge Warhead Optimization!Evaluate Effects of Target Configuration:Monolithic or Spaced ArmorEasy to Use On-line material properties referencesfor:

Explosive, Liner, Casing,TargetIntuitive PRODAS Windows Interface! Copy & Paste Plots, Figures, & Tables!

AT-JETSuite

Summary


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PRODAS V 3.0

Interior Ballistics:1. Empirical: Interior Ballistic Performance based on empirical database derived

from extensive 50 caliber testing at Frankfurt Arsenal. Performance

predictions based on projectile weight, target breech pressure, load density,

chamber volume and propellant weight.

2. Baer-Frankle Model: Lump parameter numerically integrated interior ballistics

code. Allows extensive manipulation of propellant chemistry including grain

geometry, burn rates, covolume, flame temperature etc. Also calculates

resistance pressure and band wear.

3. PT Expansion: Allows input of test pressure vs. time curves and calculates inbore performance such as acceleration, bearing stress, temperature etc vs

timeor travel.

4. IBHVG2: Interface for running Interior Ballistics High Velocity Gun 2


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0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0 1000 2000 3000 4000 5000 6000

Travel(mm)Arrow Tech-PRODAS2000 Cross Plots 06/13/2000

155mm Band Wear vs. Travel

0

50

100

150

200

250

300

350

0 100 200 300 400 500 600

Travel (cm)

Breech

Base

Resistance

Arrow Tech Assoc-PRODAS2000 #155m795.pr2 155mm M795 HE Projectile 06/13/2000

Pressure vs Travel

0

50

100

150

200

250

300

350

10 15 20 25 30 35 40

Time (msec)

Breech

Base

Resistance

Arrow Tech Assoc-PRODAS2000 #155m795.pr2 155mm M795 HE Projectile 06/13/2000

Pressure vs Time

Press vs. Time

Press vs. Travel

IntegratedBand Wear vs. Travel

Interior Ballistics Simulation

Gun Tube & Propellant

Reference Libraries


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Setup Interior Ballistic

Simulation Parameters

Set Simulation Parameters


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Inputs for Forcing Cone Angle & Travel to FC

Improved Computational Accuracy!

Improved Resistance Pressure Computation


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Handy Gun Tube Reference File

Includes Twist vs. Travel Data


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Propellant Reference

Database

Propellants For All Calibers Up To 203mm!


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Propellant Input

Detailed Propellant Thermochemistry & Geometry


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Interior Ballistics

Tabular Results

Copy & Paste Tabular Results to Reports or Spreadsheet!


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Interior BallisticsPlot Output

Copy & Paste Graphical Output vs. Time or Travel


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Interior Ballistics

P-T Expansion

0

10000

20000

30000

40000

50000

60000

70000

0.00 2.50 5.00 7.50 10.00 12.50 15.00 17.50Time, msec.

Pressure,psi

Simulation

Measured

Simulation Matches Pmax, Vmuz, 5%-95% Rise Time Still Misses Start-up Dynamic, 6% higher impulse @ peak

P-T Expansion Allows Direct Input of Measured P-T Data


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Integrated Rotating Band

Wear vs. Time & Travel

Computed Simultaneously w/ Interior Ballistics!

Includes Percent Band Worn Computations!

0.00

0.05

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0.15

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0.25

0.30

0.35

0.40

0.45

0.50

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0

DrivingEdgeDisplacement(mm)

Dr iv ing Edge D isp lacement vs T imeDr iv ing Edge D isp lacement vs T ime

T ime (msec)Prodas2000V3Arrow Tech Associates#Bofors40HETL70Car tridge.pr3 04/11/02

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

0 20 40 60 80 100 120 140 160 180 200 220 240

PercentWorn

Percent Band Wor nPercent Band Wo rn

Travel ( cm)Prodas2000V3 Arrow Tech Associates#Bofors40HETL70Cartridge.pr3 04/11/02


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Rotating Band

Tabular Output

Determine Band Wear-out Margin

Copy & Paste Tabular Output to Reports or Spreadsheet!Cross Plot Various Bands, Materials, Projectiles


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PRODAS V 3.0

Firing Tables:1. Artillery, Direct Fire and Mortar formats. Output format

identical to NATO STANAG 4199

2. Line of Sight/Line of Sight Air/Marine tables. Line of sight

tables in Air/Marine format

3. Rocket Firing Tables

4. Ballistic Tables


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Ballistic Match Graphical Output

Copy & Paste to Reports


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Ballistic Match Tables Input

Output: ToF, Velocity, Drop, & Drift vs. Range


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Ballistic Match Tabular Output

Copy & Paste to Report or Spreadsheet!


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PRODAS V 3.0

Structural Analysis1. CASAS: Cartridge Case Design

2. BALANS: In Bore Balloting Model

3. Sabot Profiler: Sabot design module


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CASASCase / Chamber Interaction

Lumped Mass & Beam Element Model of Case & Chamber

Ideal for Parametric Studies of Case: Gaps, Thickness, etc.

IBHVG2 Simulation for Pressure & Temp Data Requires Non-linear Material Properties & Coeff of Friction

Uses PRODAS Model Editor for Barrel & Case Models


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CASAS Output

Total Plastic Strain vs. Time

Bolt Load vs . Time

Extraction Load at Bolt Unlock


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CASAS Case Motion Video


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BALANS

Flexible Projectile & Gun Dynamic Analysis

2-D Analysis: Projectile Motion Only

3-D Analysis: Projectile & Gun Tube Motion

Single or Statistical Simulations Available


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Projectile Dynamic Motion


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Cross Accel vs. Time

REF: Peak Long. Acceleration ~ 18,000 Gs

BALANS Output

Angular Rate vs. Time

Projectile & Gun Tube Dynamic

Response

Displacements, Velocity

Components & Accelerations

Smooth Bore or Rifled Barrels


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Gun Tube Dynamic Motion


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BALANS Output

Expected Dispersion & Error Budget Components

Bourrelet Loads & Load-Time Integrals

Node Deflections, Bending Moments, Velocity &Accelerations


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PRODAS V 3.0

System Effectiveness: Calculates System

performance (Probability of Hit/Kill) based

on monte carlo trajectory simulations.1. Ground to Ground (includes vertical and horizontal targets)

2. Ground to Air (Target defined by presented and vulnerable

areas)

3. Air To Ground (Target area defined at various approach

vectors, Target presented area, Vulnerable Area, Target

velocity, Radar lock options)4. Rocket System Simulation (Downwash models, Launcher

Modeling, Submunition Dispensing)


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PRODAS V 3.0Test Simulation/Design of Experiments:1. Pre-Test Module Simulate Test prior to actual firing,

Calculates need QE and AZ for test, Simulate Telemetry via

radar or spotters, Calculates Surface Danger Zone parameters

based on AR 385-63

Dispersion:1. Muzzle Exit: Calculates initial yawrates at muzzle based on in

bore clearance and run outs and effect on projectile

aerodynamic Jump.

2. LAT Simulation: Assesses production risk and LAT Failure

probability


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Input Test Format and Sample Size

Along with Pass Criteria and Expected Dispersion

Assess Production Risk!Determine Required Test Sample Size!

LAT Simulation


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LAT Output Screen

New Output Includes Percent Failed, Average & Extreme Spread,

Mean MPI, Mean Dispersion Sigma and MPI Sigma


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LAT Graphical Output

0

200

400

600

800

1000

1200

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

Dispersion

Horizontal

Vertical

H-V ave

Arrow Tech Assoc-PRODAS2000 GDAS AGS Finner1.pr2 XM982 Arrow Tech Modification 09/02/1999

Results

Graphically Display Expected Dispersion Distribution!


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PRODAS V 3.0Miscellaneous:1. 3D Visualizer/Scene Generator: 3D presentation of Mass Properties,

Trajectory results and modeling of launch platform and targets.

2. Analysis BOT: Generate script files for automated multiple pass

analysis

3. Yaw Card Analysis: Input yaw data from testing and derive 6DOF

Coefficients

4. Projectile Tracing tool: Trace and input dimensional data from jpeg,

gif or bmp files.

5. Inventory Rounds: Models from the cartridge case up on current US

Inventory projectiles

6. Software Development Kit: Import and design module interface

within the PRODAS environment of any in house analysis.


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New 3-D

Model Visualizer

Create 3-D Solid or Model Sections for Pitches or Reports!

Verify Correct Model Definition, Check Geometry & Interfaces

Projectile, Cartridge Case & Gun Barrel Models


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PRODAS V3.0

Macro Capability

Ideal for performing t rades or comparisons

Parametrically vary inputs or configurations

Automatically:

Open Projectile

Enter Data

Execute

Write Results to cross plot or formatted output

Spend time analyzing results, not turning the crank


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PRODAS V 3.0


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PRODAS V 3.0


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PRODAS

Software Development Kit

Same Software Environment Used for PRODAS V3 Integrate Your Analyses Into PRODAS V3

Spend Time on Analysis, Not User Interface

Turn Your Analytical Code into a Revenue Source!

2005-01_prodas v3 capabilities

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