A Collection of the

41st AIAA/ASME/ASCE/AHS/ASC

Structures, Structural Dynamics, and

Materials Conference and Exhibit

AIAA/ASME/AHS Adaptive Structures Forum

AIAA Non-Deterministic Approaches Forum

AIAA Space Inflatables Forum

AIAA Dynamics Specialists Conference

Volume 1

PART 2

Atlanta, GA

3-6 April 2000UB/TIB Hannover 89

120 945 290

3-6 April 2000

Innovative Passive Mechanisms for Control of Sound in a Launch

Vehicle Fairing 741

Clark, Robert L

Griffin, Steven

Gussy, Joel

Kemp, Jonathan D

Lane, Steven AAIA Paper #2000-1436

Validation of Structural Dynamics Models at Los Alamos

National Laboratory 749

Doeblmg, Scott W

Hemez, Francois M AAIA Paper #2000-1437

A Dynamic Finite Element (DFE) Formulation for Coupled Flap-Lab Vibrations

of Propeller Blades 764

Golnaraghi, M F

Hashemi, SeyecJ Mohammad AAIA Paper #2000-1438

A Complex Velocity Solution fo the Flutter Equations N/APitt, Dale M AAIA Paper #2000-1445

Reduced-Order Modeling for Flutter Prediction 773

Beran, Philip S

Pettit, Chris L AAIA Paper #2000-1446

Energy Based Design andAnalysis of Staggered Solvers for Nonlinear Transient

Aeroelastic Problems 784

Farhat, Charbel

Piperno, Serge AAIA Paper #2000-1447

On the Importance ofAerodynamic and Structural Geometric Nonlinearities on

Aeroelastic Behavior of High-Aspect-Ratio Wings 799

Hodges, DeweyPatil, Mayuresh AAIA Paper #2000-1448

Conservative Interpretation of Aerodynamic Loads for

Aeroelastic Compuations N/AHabashi, WG

Lepage, C Y AAIA Paper #2000-1449

Improving the AerodynamicApproximation in Linear Aeroelasticity ..810

Gin, JagannathHartley, DaytonJadic, loan AAIA Paper #2000-1450

Effect of Spar-Rib Orientation on Strain Energy in the Roll Maneuver of a

Wing without Ailerons N/AKnot Narendra S

Veley, Duane E AAIA Paper #2000-1451

American Institute ofAeronautics and Astronautics

3-6 April 2000 Table of Contents - xiii

Evaluation of Equivalent Laminated Plate Solution (ELAPS) in HSCT Sizing N/ABecker, Bradley T

Bhatia, Kumar G

Boyd, William N

Henderson, Joseph L

Nazan, Mark M

Stone, Steven C AAIA Paper #2000-1452

Aeroservoelastic Structural and Control Optimization Using Classical and

Modern Robust Design Schemes 819

Idan, Moshe

Karpel, MordechayMoulin, Boris AAIA Paper #2000-1453

Global-Local Analysis and Optimization of a Composite Tilt-Rotor Wing 829

Clements, Timothy M

Rais-Rohani, Masoud AAIA Paper #2000-1454

Multi-body Dynamics Metamodels for System Level Studies of New

Tilt-Rotor Technologies N/A

Baker, Andrew

Bauchau, Olivier

Mavns, Dimitn

Volovoi, Vitah AAIA Paper #2000-1455

Designing Turbine Blade Internal Cooling Passages Using Response Surface

and Kriging Methodologies N/ADonahoo, Eric E

Simpson, Tim AAIA Paper #2000-1456

Secondary Buckling of Laminated Composite Plates 839

Hyer, M WTiwan, Nachiketa AAIA Paper #2000-1457

A Comparison of Three Algorithms for Tracing Nonlinear Equilibrium Paths

of Structural Systems 850

Gurdal, Z

Ragon, S A

Watson, L T AAIA Paper #2000-1458

Prebuckling and Postbuckling Response of Tailored Composite Stiffened

Panels with Axial-Shear Coupling N/A

Hyer, Michael W

Starnes, James H

Young, Richard D AAIA Paper #2000-1459

Controlling a Nonlinear Solution Procedure During a Progressive

Failure Analysis -861

Brogan, Frank A

Knight, Norman F

Rankin, Charles C AAIA Paper #2000-1460

American Institute of Aeronautics and Astronautics

3-6 April 2000

On Budiansky's Problem in Nonlinear Stochastic Buckling N/AElishakoff, I AAIA Paper #2000-1461

Effect of Residual Stresses on Buckling Localization in a Cylindrical Panel......872Needleman, A.

Tvergaard, V. AAIA Paper #2000-1462

The Development and Application of Titanium 6 AI-4V ELI Beta

Annealed Investment Castings to Fracture Critical Structure of the

F-22 Air Dominance Fighter N/ALane, Jan

Smith, Paul

Gallager, Mike

Travinski, David

Phelps, Henry AAIA Paper #2000-1463

Inclusions in T1-6AI-4V Investment Castings 879Clark, LarryCotton, James

Reinhart, Theodore R.

Spear, Steve

Strabel, G.

Veeck, S. AAIA Paper #2000-1464

Titanium Alloy Sructures for Air Frame Application by Laser

Forming Process N/AArcella, Frank AAIA Paper #2000-1465

Electron Beam Welding of F-22 Structures 888

Zenas, R AAIA Paper #2000-1466

Effects of Dent Removal on the Design Properties of Fuselage Skin Material.... 891Simmons, Frank

Veciana, Jose A.

Wallace, John AAIA Paper #2000-1467

Aluminum Alloys for the Transport Industry: Environmental Degradationand Microstructure Relationship N/A

Alvarez, Alex

Froes, F.H. AAIA Paper #2000-1468

Analysis and Testing of Extension Twist Coupled Composites UsingSymmetric Configurations 902

Armanios, Erian

Gregory, Richard O.

Schleisman, Mike AAIA Paper #2000-1469

American Institute ofAeronautics and Astronautics

3-6 April 2000 Table of Contents - xv

Characteristic-Mode-Based Component Mode Synthesis for Power Flow

Analysis of Complex Structures 908

Castanier, Matthew P

Pierre, ChnstopheTan, Yung-Chang AAIA Paper #2000-1470

Nonlinear Responses of Symmetrically Laminated CompositeCantilever Beams 918

Arafat, H N

Nayfeh,A H AAIA Paper #2000-1471

Predicting the Impact Response ofan Energy-Absorbing CompositeSubfloor Beam 929

Kellas, Sotins

Knight, Norman F

Pmson, Larry D AAIA Paper #2000-1472

Passively Damped Vibration of Composite Plates with Zig-Zag Elements 940

Kosmatka, J B AAIA Paper #2000-1473

Impact Sound Realization of Composite Structures 951

Hwang, Joon Seok

Kim, Seung Jo

Song, Jun Young AAIA Paper #2000-1474

A Higher-Order Sandwich Plate TheoryAccounting for 3-D Stresses 960

Pai, P Frank

Palazotto, Anthony N AAIA Paper #2000-1475

Composite Grid Structure with Near-Zero Thermally Induced Deflection 971

Kim, Chang Keun

Lee, Hyung Ju

Park, Hoon Cheol

Yoon, Kwang Joon AAIA Paper #2000-1476

Nonlinear Analysis of the Cured Shape and Residual Stress of Unsymmetric

Composite Laminates • 977

Cho, MaenghyoYoo, Seungwoo AAIA Paper #2000-1477

PACKS: A Structural Definition Process for Composites N/AHale, RD

Miller, N F

Vasey-Glandon, V M AAIA Paper #2000-1478

Theory of Anisotropic Beams with Hygrothermal Effects and

Integral Actuators N/A

Badir, Ashraf AAIA Paper #2000-1479

American Institute of Aeronautics and Astronautics

3-6 April 2000

Modified Short Beam Shear Test for Measurement of Interlaminar

Shear Strength • N/AAbali, Felix

Shivakumar, Kunigal AAIA Paper #2000-1480

Innovative Deployable Antenna Developments Using Tensegrity Design 984

Crane, Carl D

Duffy, JosephKnight, Byron F

Rooney, Joseph AAIA Paper #2000-1481

Method for Evaluating the Deployment Characteristics of a

Modular-type Reflector N/AAndo, Kazuhide

Ishikawa, Hironon

Watanabe, Mitsunobu AAIA Paper #2000-1483

A New Bonded Wavy Composite Lap Joint 995

Sun,CT

Zeng, Q AAIA Paper #2000-1484

"Dancing" Wind Tunnel Models for the Direct Measurement of Generalized

Unsteady Aerodynamic Loads N/ALivne, Eli AAIA Paper #2000-1485

Expedient Unsteady Transonic Solutions Above and Below Freestream

MachOne .1004

Chen, PC

Liu, D D AAIA Paper #2000-1486

Prediction ofAeroacoustic Noise Generated by Viscous FlowAround

Rectangular Cross Sections 1015

Lee, JongsooYoo, Jungkeun AAIA Paper #2000-1487

Simply Implementing Non-Rational Function Gust Filters for Real Time

Simulation Application 1025

Chnsthilf, David M

Pototzky, Anthony S AAIA Paper #2000-1488

Correction of UnsteadyAerodynamic Influence Coefficients Using

Experimental or CFD Data 1034

Bnnk-Spalmk, Jan

Bruns, Julius M AAIA Paper #2000-1489

Enhanced Damping of Continuous Wave Fiber Composite Sandwich Panels ... 1039

Jensen, David W

Steurer, Keith A AAIA Paper #2000-1490

Simulation of Delamination Buckling and Growth in Composite Structures .... N/ANilsson, Karl-Frednk AAIA Paper #2000-1491

American Institute of Aeronautics and Astronautics

Unified Approach to Modeling Matrix Cracking in Laminated

Composite Structures 1047

Chattopadhyay, Aditi

Thornburgh, Robert AAIA Paper #2000-1492

An Evaluation of Mixed-Mode Energy-Release Rates in the Cracked Sandwich

Beam Specimen n/AShivakumar, K N

Smith, Steven A AAIA Paper #2000-1493

Effects of CPC's and Clamping Force on Fatigue Behaviour of

Bolted Joints N/ADhaman, RubyShankar, Krishnakumar AAIA Paper #2000-1494

Higher-Order Asymptotic Model for a Heterogeneous Beam, IncludingCorrections Due to End Effects .1055

Buannic, Natacha

Cartraud, Patrice AAIA Paper #2000-1495

Nonlinear Bulging Factors for Longitudinal and Circumferential Cracks in

Cylindrical Shells Subjected to Combined Loads .1064

Rose, Cheryl A

Stames, James H

Young, Richard D AAIA Paper #2000-1514

Plane Strain Radial Flow of Rigid/Hardening Solids - Part II: Effects of Material

Non Homogeneity N/ADurban, David AAIA Paper #2000-1515

Influence of Geometric Nonlinearities on the Response and Failure of

Internally Pressurized Elliptical Composite Cylinders .1079

Hyer, M W

McMurray, Jennifer M AAIA Paper #2000-1516

Crack Path Bifurcation at a Tear Strap in a Pressurized Shell .1090

Cowan, Amy L

Davila, Carlos G

Johnson, Eric R

Stames, James H AAIA Paper #2000-1517

Crack Tip Fields in Anisotropic Shells N/A

Yang, S

Yuan, FG AAIA Paper #2000-1518

Damage Progression in Buckle-Resistant Notched Composite Plates Loaded

in Uniaxial Compression N/A

Ambur, Damodar R

Davila, Carlos G

McGowan, David M AAIA Paper #2000-1519

3-6 April 2000

Structural Optimization for Light-Weight Articulated Rotor Blade 1102

Kim, Jong-Eun

Sangul-Klijn, Nesrm AAIA Paper #2000-1520

Optimization of Car Body under Constraints of Noise, Vibration,

and Harness (NVH), and Crash 1113

Kodiyalam, Snnivas

Sobieski, Jaroslaw

Yang, Ren-Jye AAIA Paper #2000-1521

Optimization of Mistuned Biaded Discs Using Gradient-based ResponseSurface Approximations • 1129

Haftka, R T

Petrov, E P

Vitali, R AAIA Paper #2000-1522

Analysis and Optimization of Mid-Plane Asymmetric Sandwich Beams under

Lateral Loading Including Buckling Effects 1140

Satapathy, Nihar

Vinson, Jack R AAIA Paper #2000-1523

Integrated Optimization of Viscoelastic Structures and Active Controllers for

Flexible Space Structures 1148

Onoda, JunjiroUchida, Hideki AAIA Paper #2000-1524

Detection and Correction of Poorly Converged Optimizations by IterativelyReweighted Least Squares 1159

Grossman, Bernard

Haftka, RaphaelKim, HongmanMason, William

Papila, Melih

Watson, Layne AAIA Paper #2000-1525

Dynamic Taxi, Take-Off, and Landing Roll Analyses for Large Business

Jet Aircraft 1177

Brodman, Hank

Freund, Don

Hanson, LarryMcKissack, Doug AAIA Paper #2000-1526

Flexible Multibody Dynamics Equations with Constant "Mass Matrix" N/ABanerjee, Arun K

Chien, L S AAIA Paper #2000-1527

Finite Elements in Time Domain for Optimal Control Using Higher-OrderShape Functions 1188

Kapania, Rakesh K

Kim, Seung Jo

Park, Sungho AAIA Paper #2000-1528

American Institute of Aeronautics and Astronautics

3-6 April 2000 Table of Contents - xix

Modeling of Frequency Dependent Properties of Viscoelastic Materials

Subjected to Shock Loads 1194

Inman, Daniel J

Lesieutre, George A

Rusovici, Razvan AAIA Paper #2000-1529

Transient Response of Contacting Plates Subject to Close ProximityBlast Loads 1205

Coggin, John M

Johnson, Eric R

Kapania, Rakesh K AAIA Paper #2000-1530

On the Understanding of Snap-Through Phenomenon in Aerothermoelasticityof Panels 1215

Udrescu, Radu AAIA Paper #2000-1531

Investigation of Curved Composite Panels Under High-G Loading 1224

Jenkins, S N

Spearing, S M AAIA Paper #2000-1532

Stiffness Tailoring of Tension-Loaded Composite Panels to

Contain Damage 1234

Bhatia, Narain

Ley, Robert P

Lin, Weichuan

Mahler, Mary A

Patel, Nash

Wolf, Ed AAIA Paper #2000-1533

Propagation and Control of Crack-Like Damage in Curved CompositeCombined Loads 1243

Ley, R P

Lin, Weichuan

Mahler, Mary A

Rouse, Marshall

Shah, C AAIA Paper #2000-1534

The Reliability of AdhesiveJoints Under Piezomechanical Loading 1252

Sanders, C

Shaw, M

Spearing, S Mark AAIA Paper #2000-1535

Predictor-CorrectorApproach for the Analysis of Sandwich Panels 1261

Kim, Yong HyupPark, Jin Woo AAIA Paper #2000-1536

Single and Multi-cell Composite Thin Walled Beams N/A

Hodges, DeweyVolovoi, Wall AAIA Paper #2000-1537

American Institute ofAeronautics and Astronautics

3-6 April 2000

Fixed-Order Mixed Norm Designs for Building Vibration Control 1271

Calise, Anthony J

Hsu,CC

Whorton, Mark S AAIA Paper #2000-1538

An Advanced Buffet LoadAlleviation System N/AHopkins, Mark A

Pitt, Dale M

White, Edward V AAIA Paper #2000-1539

Active Control of Airframe Response with Distributed Smart Actuators N/AChopra, InderjitPark, Hun AAIA Paper #2000-1540

Cargo-Pendulation Reduction in Boom Cranes Via

Cable-Length Manipulation 1280

Abdel-Rahman, E M

Nayfeh, A H AAIA Paper #2000-1541

Nonlinear Control of a Parametrically Excited Structural Dynamic Model of an

F-15 Tail Section 1288

El-Badawy, Ayman

Nayfeh, All H AAIA Paper #2000-1542

Cargo Pendulation Reduction on Ship-Mounted Cranes via Boom-Luff and

Slew Angles Actuation 1299

Henry, R J

Masoud, Z N

Mook, D T

Nayfeh, A H AAIA Paper #2000-1543

Fracture Parameter Evaluation of Composite Panels Under

In-Plane Loading 1305

Cai, GaryXYuan, F G AAIA Paper #2000-1544

Prediction of Fretting Fatigue Crack Initiation Based on the Plane of

Maximum Shear Stress Amplitude 1316

Jam, V

Lykins, Chris

MallS AAIA Paper #2000-1545

Influence of Contact Profile on Fretting Crack Nucleation in a

Titanium Alloy .1326

Farns, T N

Hansh, G

Murthy, H AAIA Paper #2000-1546

American Institute of Aeronautics and Astronautics

3-6 April 2000 Table of Contents - xxi

Tests of Braided Composite Fuselage Frames under Radial Inward Load 1334

Boitnott, Richard L

Johnson, Eric R

Perez, Jose G AAIA Paper #2000-1547

Investigation of Impact Damage in aCFRP Wingbox under Load .1344

Clarke, A

Greenhalgh, E S

Millson, B

Thompson, Roy AAIA Paper #2000-1548

Evaluation of Fracture Modes in Mixed Mode Delamination Problems N/AArmanios, Enan

Makeev, Andrew AAIA Paper #2000-1549

On the Use ofEnergy Minimization for CA BasedAnalysis in Elasticity 1355

Hajela, Prabhat

Kim, Byong AAIA Paper #2000-1579

Cellular Automata for Design of Truss Structures with Linear and

Nonlinear Response N/AGurdal, Zafer

Soremekun, Grant AAIA Paper #2000-1580

GeneticAlgorithms for the Optimization of Piezoelectric

Actuator Locations . .1366

Kapama, Rakesh

Sheng, Lizeng AAIA Paper #2000-1581

Genetic Algorithm Approaches to Smart Actuator Placement for

Aircraft Flight Control 1377

Cook, Andrea M

Crossley, W/lliam A AAIA Paper #2000-1582

Using a Genetic Algorithm to Design Beam Cross-Sectional Topologyfor

Bending, Torsion, and Combined Loading .1387

Crossley, William A

Fanjoy, David W AAIA Paper #2000-1583

Genetic Algorithm Based Design of Transonic Airfoils UsingEuler Equations .1396

Jang, MmsungLee, Jongsoo AAIA Paper #2000-1584

Influence of Target and Impactor Parameters on the Nonlinear Response and

Residual Strength of Curved Thin Composite Plates N/A

Ambur, D

StarnesJ AAIA Paper #2000-1591

American Institute of Aeronautics and Astronautics

3-6 April 2000

Failure of Laminated Composites at Thickness Discontinuities under ComplexLoading and Elevated Temperatures n/A

Knauss, WolfgangLee, S AAIA Paper #2000-1592

Size Scales for Accurate Homogenization in the Presence of Severe

Stress Gradients N/APagano, N

Yuan, F AAIA Paper #2000-1593

On the Simulation of Crack-Propagation in Pressurized Shells ................1405

Rankin, C C

Riks, Eduard AAIA Paper #2000-1594

Collapse of Elastic-Plastic Plates with Cracks 1416

Corona, Edmundo AAIA Paper #2000-1595

Analysis and Test of Repair Concepts for a Carbon-Rod

Reinforced Laminate .1421

Baker, Donald J

Rousseau, Carl Q AAIA Paper #2000-1596

Microstructure and Creep Behavior of Self-Reinforced Silicon Nitride Ceramics

Heat-Treated by Furnace and Microwave Annealing .1431

Narayan, JaySankar, JagWei, Quimmg AAIA Paper #2000-1603

Microstructure and Mechanical Evaluations of Sintered Si3N4 1439

Kelkar, A

Russell, LarrySankar, J

Wei, Q AAIA Paper #2000-1604

Mechanical Performance of CF/Polymer Composite Laminates under

Cryogenic Conditions 1448

Aoki, Takahira

Ishikawa, Takashi

Kumazawa, Hisashi

Mormo, Yoshiki AAIA Paper #2000-1605

"In-situ" Characterization of Thermal Degradation in Graphite/Polymeric Composites * 1456

Lin, Kuen Y

Ohno, Satomi

Ohuchi, Fumio S AAIA Paper #2000-1606

Evaluation ofAlpha Case on Titanium Casting Specimens N/A

Phelps, Henry AAIA Paper #2000-1607

I American Institute of Aeronautics and Astronautics