I M A J O

XVIII

Proceedingsof

IMAC-XVIII:A Conference on

Structural DynamicsFEBRUARY 7-10, 2000

THE WESTIN LA CANTERA RESORTSAN ANTONIO, TEXAS

TECHNICAL PROGRAM CHAIR:Alfred L. Wicks, Virginia Polytechnic Institute and State UniversityDominick J. DeMichele, Honorary Technical Chair

SOCIETY FOR EXPERIMENTAL MECHANICS, INC.:Patricia Deuschle, Acting Executive DirectorKatherine M. Ramsay, Conference Manager

Organized By:

SOCIETY FOR EXPERIMENTAL MECHANICS, INC.Bethel, Connecticut 06801 119 g^ge

h l l ( I t l ! ! l I i l l i f I r i 1 1 ••

TABLE OF CONTENTS

Page No.

1. Civil Engineering Structures-Bridges

Structural Causes of Temperature Affected Modal Data of Civil Structures Obtained by LongTime Monitoring, #141 1

R.G. Rohrmann, M. Baessler, S. Said, W. Schmid, W.F. Ruecker, Federal Institute forMaterials Research Testing (BAM)

Multi-reference Impact Testing of FRP Bridge Deck Material, #196 8M.S. Lenett, A.J. Helmicki, V.J. Hunt, University of Cincinnati

Modal Analysis of a Miniature Model of Armored Vehicle Launched Bridge, #221 14S. Ventakappa, Altaire Engineering; S.E. Chen, University of Alabama at Birmingham;S. Aluri, West Virginia University; A. Culkin, U.S. Army Tank-Autmotive R&D andEngineering Center

Modal Analysis of a Fiber-reinforced Polymer Composite Highway Bridge, #280 21S. Alampalli, New York State Dept. of Transportation

Ambient Response Analysis of the Great Belt Bridge, #298 26R. Brincker, Aalborg University; J.B. Frandsen, University of Oxford; P. Andersen,Structural Vibrations Solutions, ApS

2. Processing Modal Data

Behaviour of Modal Expansion Methods Towards Imprecise Data, #123 33T. Tison, B. Lallemand, G. Plessis, P. Level, Universite de Valenciennes

A High Speed Boom Investigation of a Mid-size Car Using Experimental Vibro-AcousticModal Analysis, #73 40

M. Kronast, M. Hildebrandt, Ford Werke AG

Force Determination by the Matrix Path Method in Noise Path Analysis, #242 46P. Glibert, N.B. Moller, Y.S. Ryu, Briiel & Kjaar; E.U. Saemann, Continental AG

Enhancement of Wigner-Ville Distribution Function, #147 51J.H. Lee, J. Kim, University of Cincinnati; H.J. Kim, Arvin Industries, Inc.

3. Computational Challenges-Complex Structures

Modal Parameters from Data Measured on a Car in Operating Conditions, #358 58J. Deweer, B. Dierckx, LMS International

Analysis of Data from a Massively Parallel Sensor System, #259 66G.H. James III, ETM, Inc.

Model Reduction of Structural Systems Using Approximate Component Cost Analysis, #244 73S. Sidi-Ali-Cherif, K.M. Grigoriadis, University of Houston

Vibration Analysis of a Large Capacity Drainage Pump Station by Using FiniteElement Method, #24 80

S. Guo, M. Tano, Ebara Research Co., Ltd.; H. Kanno, H. Kubota,T. Takabe, Ebara Corporation

4. Experimental Techniques I

Application of a Low Frequency Moment Shaker for Vibration Testing, #227 87M.W. Trethewey, The Pennsylvania State University; L.L. Koss, Monash University;J.S. Trethewey, The Pennsylvania State University

Scanning For Test Configuration Automation, #232 93R.D. Brillhart, D.P. Hensley, R.H. Jenkins, SDRC Operations, Inc.

Dynamic Behaviour of Metallic and Composite Plates Under In-plane Loads, #248 99F. Ricci, M. Viscardi, University of Naples "Federico II"

In-plane FRF Measurements Using a MIMO Technique: Vehicle Tire Application, #160 104M.A. Sanderson, L. Ivarsson, K. Larsson, Chalmers University of Technology

6. Model Correlation and Updating for Nonlinear Dynamics

Developed by: S.W. Doebling and F.M. Hemez, Los Alamos National Laboratory

Minimizing Parameter Correlation in Nonlinear Model Updating, #265 109M.C. Anderson, T.K. Hasselman, ACTA Inc.

A Combined Model Reduction/SVD Approach to Nonlinear Model Updating, #347 116T.D. Burton, Texas Tech University at Lubbock; F.M. Hemez, Los Alamos NationalLaboratory; W. Rhee, Texas Tech University at Lubbock

Validation of Nonlinear Modeling from Impact Test Data Using Probability Integration, #241 124F.M. Hemez, S.W. Doebling, Los Alamos National Laboratory; W. Rhee, Texas TechUniversity at Lubbock

Parameter Identification of Nonlinear Mechanical Systems Using Proper OrthogonalDecomposition, #193 133

J.C. Golinval, V. Lenaerts, G. Kerschen, University of Liege

Model Updating Using the Error in the Constitutive Relation: Real Cast Study, #348 140A. Chouaki, A. Deraemaeker, P. Ladeveze, S. Le Loch, Ecole NormaleSuperieure de Cachan

7. Active Control

Slewing Motion Control of an Active Flexible Structure Using Sliding Modes, #153 147M.H. Kim, D.J. Inman, Virginia Polytechnic Institute and State University

Active Structural Modal Control for the Floor Panel of a Car Body, #70 153U. Stobener, L. Gaul, Stuttgart University Institute A of Mechanics

Sliding Mode Controller with Time-varying Hyperplane for the Robot Manipulator, #65 160N. Tsujiuchi, M. Iwasaki, T. Koizumi, Doshisha University; M. Takeshita,Okayama University

Control of Civil Infrastructure Systems Using Envelope Constrained Shape Control, #57 166R.J. Helgeson, University of Tennessee at Martin

Active Vibration Control of Optical Space Systems, #405 173S.J. Shelley, T.D. Sharp, K.R. Moore, Sheet Dynamics, Ltd.

Independent Modal Space Control Fidelity for Semi-global Changes in Dynamic Properties, #290 180H. Kucuk, J.F. Schultze, Michigan Technological University

Modal-space Control of Flexible Intelligent Truss Structures via Modal Filters, #277 187F. Liu, L. Zhang, Nanjing University of Aeronautics and Astronautics

8. Analytical Methods I

A Continuous Mathematical Model of Cracked Timoshenko Beams for Damage Detection, #75 194S.H.S. Carneiro, D.J. Inman, Virginia Polytechnic Institute and State University

The Aggregate Mode Indicator Function, #403 201M. Rades, Universitatea Politehnica Bucuresti; D.J. Ewins, Imperial College of Science,Technology and Medicine

An Efficient Method for Transient Data Recovery from Large DOF FE Models, #217 208R.S. Johal, CSA Engineering, Inc.

System Identification of Linear Structures Using Hilbert Transform and Empirical ModeDecomposition, #256 213

J.N. Yang, Y. Lei, University of California, Irvine

Models for Accounting/Eliminating Rotational DOFs in Distributed Structural Modification, #245 220W. D'Ambrogio, University of L'Aquila; A. Sestieri, University of Rome "La Sapienza"

Assignment of Vibration Nodes, #380 227J.E. Mottershead, C. Mares, The University of Liverpool; M.I. Friswell, The Universityof Wales Swansea

A New Method to Compute Sensitivity Matrices of a Mechanical Structure, #8 234L. Wei, China North Vehicle Research Institute

9. Computational Challenges-Signal Processing

Improved Modal Parameter Estimation Using Exponential Windowing and Non-parametricInstrumental Variables Techniques, #172 238

P. Verboven, P. Guillaume, M. Van Overmeire, Vrije Universiteit Brussel

Synthetic Diamond Tool Wear Monitoring Using Vibration Measurements, #285 245C. Scheffer, P.S. Heyns, University of Pretoria

A Prony-based Circular-hyperbolic Decomposition, #385 252S.O'F. Fahey, B.M. Suleiman, A.H. Nayfeh, M.R. Hajj, Virginia Polytechnic Instituteand State University

An Orientation Independent Monitoring Technique for Accelerometers, #139 260J.T. Roth, Arkansas State University

Time Frequency Representations of Signals: STFT, Wigner-Ville and WaveletTransformation, #142 264

J.H. Lee, J. Kim, University of Cincinnati; H.J. Kim, Arvin Industries, Inc.

Identification of Dynamic Loads a Comparative Analysis Between Time and FrequencyDomain Techniques, #235 271

M.A. Santos, P.S. Varoto, University of Sao Paulo

Expansion of Time History Response Measurements for Visualization, #208 278C.V. White, M.B. Levine, NASA Jet Propulsion Laboratory, California Instituteof Technology; M. Ingham, Massachusetts Institute of Technology

10. Rotating Machinery Technology

Developed by: M.I. Friswell and A. Lees, University of Wales Swansea

Is Rotor Dynamics a Particular Case of Structural Dynamics?, #317 284J.E.T. Penny, S.D. Garvey, Aston University; M.I. Friswell, University of Wales, Swansea

Finite Element Modeling of Rotor-stator Systems, #318 291S.D. Garvey, J.E.T. Penny, Aston University

Fluid-film Bearings, Seals and Rotor Stability, #319 298R.G. Kirk, Virginia Polytechnic Institute and State University

Effects of Non-reciprocity on the Modal Properties of Rotating Structures, #322 307D.J. Ewins, Imperial College of Science, Technology and Medicine;E.S. Gutierrez-Wing, CENIDET

Fault Diagnosis in Rotating Machinery, #323 313A.W. Lees, University of Wales, Swansea

The Importance of Rotordynamics - Some Industrial Case Studies, #324 320I. Redmond, Saudi Arabian Oil Company

11. Large-scale Structural Dynamics Computing at National Laboratories

Developed by: C.R. Farrar, Los Alamos National Laboratory

Blast Confinement in Pressure Vessels, #412 328R.R. Stevens, S.P. Rojas, Los Alamos National Laboratory

12. Validation and Uncertainty in Computational Structural Dynamics

Developed by: K.F. Alvin, Sandia National Laboratories and F.M. Hemez, Los Alamos NationalLaboratory

Criteria for Modeling Accuracy: A State-of-the-Practice Survey, #269 335T.K. Hasselman, ACTA, Inc.; R.N. Coppolino, Measurement Analysis Corporation;D.C. Zimmerman, University of Houston

A Plan for Structural Dynamics Code and Model Verification and Validation, #349 342K.F. Alvin, G.M. Reese, Sandia National Laboratories

Uncertainty in Mode Shape Data and its Influence on the Comparison of Testand Analysis Models, #350 349

J.A. Cafeo, R.V. Lust, General Motors Research & Development and Planning;U.M. Meireis, Technical University of Darmstadt

Finite Element Model Development and Validation for Aircraft Fuselage Structures, #54 356R.D. Buehrle, G.A. Fleming, R.S. Pappa, NASA Langley Research Center;F.W. Grosveld, Lockheed Martin Engineering and Sciences

Reliability Analysis of Penetration Systems Using Nondeterministic Methods, # 194 363R.V. Field, Jr., J.R. Red-Horse, T.L. Paez, Sandia National Laboratories

13. Damping

Further Applications of ORU Isolation Systems in Satellite Orbital Transportation, #25 369J.W. Sills, Jr., Lockheed Martin Technical Operations

Towards Identification of a General Model of Damping, #101 377S. Adhikari, J. Woodhouse, University of Cambridge

Steel/Viscoelastic/Steel Sandwich Shells Computational Methods and ExperimentalValidations, #167 384

A.S. Plouin, E. Balmes, Ecole Centrale Paris

Complex Stiffness Measurement of Vibration-damped Structural Elements, #211 391J.R. Maly, K.A. Bender, S.C. Pendleton, CSA Engineering, Inc.

Attaining "Free-free" Normal Mode Frequency and Damping Conditions for the Violin, #237 398K. Ye, G. Bissinger, East Carolina University

Further Results with Tuned Absorber - Impact Damper Combination, #243 404F. Colette, COWI, Consulting Engineers and Planners AS; S.E. Semercigil,D. Huynh, Victoria University of Technology

Accurate Damping Estimates Using Adapted Frequency-domain IdentificationTechniques, #266 411

P. Guillaume, P. Verboven, S. Vanlanduit, E. Parloo, Vrije Universiteit Brussel

14. Analytical Methods II

Structural Stiffness Identification Using Maximum Likelihood Estimation Method, #98 418W.X. Ren, Changsha Railway University; J.Y. Shen, North Carolina A&T StateUniversity; G. De Grock, Catholic University of Leuven

Response Prediction from a Reduced Set of Known Responses Using the Transmissibility, #173 425A.M.R. Ribeiro, N.M.M. Maia, J.M.M. Silva, Technical University of Lisbon/I.S.T.

The Correlation of a Steering Column F.E. and Experimental Modal Models, #148 428T.H. Drinan, R.A. Herring, Delphi Automotive Systems

An Investigation of the Effects of Lubricant Viscosity, Surface Finish and Clearance onMachine Tool Slide-way Damping and Friction, #291 433

R.M. Kuchibhotla, J.F. Schultze, J.W. Sutherland, Michigan Technological University

Electromagnetic Tuned Dynamic Vibration Absorber - Theoretical Foundations, #360 440L.B. Tentor, A.L. Wicks, Virginia Polytechnic Institute and State University

15. Computational Challenges-Processing Modal Data

Prediction of Dynamic Behaviors at Unmeasureable Part of Micro-Machine, #6 448T. Toi, T. Motegi, N. Okubo, Chuo University

A New Method for FEM Structural Dynamic Model Updating and Joint Identification, #42 454W.L. Li, United Technologies Carrier Corporation

Experimental-based Modeling of a Support Structure as Part of a Full System Model, #301 461T.G. Carne, C.R. Dohrmann, Sandia National Laboratories

A Modal Approach to the Electromagnetic Dynamics of Cable-motor Machines, #182 468S.D. Garvey, Aston University; M.I. Friswell, University of Wales, Swansea;W.T. Norris, Aston University

Computational Model Updating of Large Scale Finite Element Models, #195 476C. Schedlinski, ICS

Sensor Validation for Smart Structures, #46 483M.I. Friswell, University of Wales, Swansea; D.J. Inman, Virginia Polytechnic Instituteand State University

16. Processing Modal Data and Nonlinear Systems

Dynamic Analysis of Non-linear Structures by Modal Superposition Approach, #117 490P. Cacciola, G. Muscolino, University of Messina; A. Sofi, University of Palermo

Feasibility of Identifying Nonlinear Multi-Degree-of-Freedom Systems with UnknownPolynomial Forms, #388 496

CM. Richards, Caterpillar Inc.; R. Singh, Ohio State University

Empirical Mode Analysis of Structural Response and Damping, #205 503L.W. Salvino, Naval Surface Warfare Center

Structural Integrity Identification Based on Smart Materials and Neural Networks, #184 510V. Lopes, Jr., UNESP; G. Park, H.H. Cudney, D.J. Inman, Virginia Polytechnic Instituteand State University

Higher Order FRF and Parameter Estimation in Nonlinear Systems through Volterra-WienerTheories, #307 516

N.S. Vyas, A. A. Khan, Indian Institute of Technology

17. Finite Elements I

Using Analysis to Design for Drop or Other Shock Environments, #264 523T.A. Deiters, M. Baker, K.C. Indermuehle, C.W. Engelhardt, Structural DynamicsResearch Corporation

Finite Element Model Updating of a Welded Space Frame, #71 529B. Horton, H. Gurgenci, University of Queensland/Co-operative Research Centre forMining Technology and Equipment (CMTE); M. Veidt, University of Queensland;M.I. Friswell, University of Wales, Swansea

Finite Element Model for Rotating Paper Machine Roll, #66 536V.M. Jarvenpaa, E.K. Keskinen, Tampere University of Technology

Modal Analysis of a Hybrid Grillage-Plate-Membrane Structure, #52 543W.H. Semke, R.L. Engelstad, E.G. Lovell, University of Wisconsin-Madison

Modeled Dynamic Response of a Golf Club During the Swing, #389 550C.E. Knight, A.L. Wicks, P. Braunwart, Virginia Polytechnic Institute and State University

Quantification of Nonlinearity in Random Excitation Responses Through the Use ofHigher-order Statistics, #203 718

J.M. Carson III, The University of Texas at Austin/ Lockheed Martin Skunk Works;R.O. Stearman, E.J. Powers, The University of Texas at Austin

New Spatial MDOF Characterization and Identification Techniques for Nonlinear Systems, #20 725D.E. Adams, R.J. Allemang, University of Cincinnati

Explicit Dynamics Finite Element Analysis for Parametrically Excited Motion of aCantilevered Beam, #50 733

K. Mei, S.W. Smith, M.R. Lovell, University of Kentucky

Enhanced Single Degree-of-Freedom Models for Predicting Slab Responses to Blasts, #51 740J.E. Crawford, Karagozian & Case Structural Engineers; M. Anderson, ACTA, Inc.;D.D. Bogosian, Karagozian & Case Structural Engineers; T.K. Hasselman, ACTA Inc.;B.W. Dunn, Karagozian & Case Structural Engineers

Fast Transient Analysis for Locally Nonlinear Structures by Recursive Block Convolution, #79 747J.H. Gordis, B. Neta, Naval Postgraduate School

22. Modal Parameter Identification I

Modal Parameter Determination for a Flexible Solar Array Mast Under Pre-load andVariable Tip Masses, #133 754

J.W. Sills, Jr., Lockheed Martin Technical Operations

Modal Parameter Estimation from Inconsistent Data Sets, #367 763H. Van der Auweraer, W. Leurs, P. Mas, L. Hermans, LMS International NV

Applications of the Automated SMAC Modal Parameter Extraction Package, #143 772R.L. Mayes, L.R. Dorrell, S.E. Klenke, Sandia National Laboratories

Automation and Other Extensions of the SMAC Modal Parameter Extraction Package, #144 779R.L. Mayes, S.E. Klenke, Sandia National Laboratories

Output Only Modal Testing of a Car Body Subject to Road Excitation, #295 786R. Brincker, Aalborg University; P. Andersen, Structural Vibrations Solutions, ApS;N.B. M0ller, H. Herlufsen, Briiel & Kjair A/S

A New Method for Model Order Selection and Modal Parameter Estimation, #118 793J. Lardies, N. Larbi, Universite de Franche-Comte

02MAD: A Scilab Toolbox for Output Only Modal Analysis and Diagnosis, #67 800M. Goursat, INRIA; M. Basseville, A. Benveniste, L. Mevel, IRISA-INRIA

23. Dynamics of Bridges

Developed by: A. Cunha, University of Porto

Ambient Vibration Test of a Steel Trussed Arch Bridge, #374 807A. Cunha, R. Calcada, University of Porto

Dynamic Characterization Tests of the Tagus River Suspension Bridge, #121 814J. Rodrigues, A. Campos Costa, LNEC National Laboratory for Civil Engineering

Based Modal Analysis Evaluation of a Cable-stayed Bridge, #369 821J.A. Escobar, R. Gomez, D. Muria-Vila, R. Sanchez-Ramirez, UNAM Instituteof Engineering

Full Scale Measurements for Design Verification of Bridges, #370 827F. Myrvoll, Norwegian Geotechnical Institute; K.A. Aarnes, Norwegian Public RoadsAdministration; R.M. Larssen, Aas-Jakobsen AS; K. Gjerding-Smith, Haug &Blom-Bakke AS

Evaluation of Various Damping Treatments for Stay Cables, #362 836H. Tabatabai, University of Wisconsin Milwaukee; A.B. Mehrabi, ConstructionTechnology Laboratories

Modeling of Cable-stayed Bridges for Analysis of Traffic Induced Vibrations, #371 842R. Karoumi, Royal Institute of Technology

Updating Super-element Model of a Bridge Deck Using Generic Sub-element, #368 849S.S. Law, T.H.T. Chan, D. Wu, Hong Kong Polytechnic University

24. Rotating Machinery

Dynamic Characteristics in a Rotating Spindle System with Different Bearings, #16 856J.C.T. Su, National Kaohsiung First University of Science and Technology;B.W. Huang, Cheng Shiu Institute of Technology; W.F. Kuo, Kaohsiung MunicipalChung Cheng Industrial Vocational High School

Simulating the Dynamics of a Cold Roll Mill Tension Reel System, #406 862T.D. Sharp, S.J. Shelley, SDL, Ltd.

The Dynamics of Bolted and Laminated Rotors, #183 867A.A. Mat Isa, J.E.T. Penny, S.D. Garvey, Aston University

Analytical and Experimental Investigation of the Effect of Baseplate Stiffness on a SpinningDisk/Spindle, #97 873

S.J. Lee, S.K. Kim, J.M. Lee, Samsung Electronics Co. Ltd.

On Effectiveness of Balancing of Flexible Rotor Far from Critical Frequencies of Rotation, #38 880V.P. Royzman, G. Fomenchenko, Technological University of Podillia

Dynamic Characteristics Identification of Aircraft Engine by Method of Trial Parameters, #39 885V.P. Royzman, G. Fomenchenko, Technological University of Podillia

Vibration Problems of Axial Flow Pump, #32 891S.M. Abdel-Rahman, M.A. Helal, National Water Research Center; M.A. Nasser,Menofia University

25. Substructuring Analysis and Testing I

Developed by: R.R. Craig, Jr., The University of Texas at Austin

A Brief Tutorial on Substructure Analysis and Testing, #325 899R.R. Craig, Jr., The University of Texas at Austin

Meeting the NVH Computational Challenge: Automated Multi-level Substructuring, #326 909J.K. Bennighof, M.F. Kaplan, M.B. Muller, M. Kim, University of Texas at Austin

Experience with a Test-Based Hybrid Component Mode Synthesis Approach, #327 916Y. Soucy, Canadian Space Agency; J.L. Humar, Carleton University

Identification of the Dynamic Behavior of Joints Using Substructuring Methods, #328 923N.M.M. Maia, J.M.M. Silva, P.L.G.C. Silva, Technical University of Lisbon/I.S.T.

Estimation and Use of Residual Modes in Modal Coupling Calculations: A Case Study, #329 930L. Hermans, P. Mas, W. Leurs, N. Boucart, LMS International

Formulating Accurate Truncated Models of Continuous Beams, #3 937R.L. Wells, University of Texas at Tyler

26. Modal Testing Methods I

Automated Hammer-impact Modal Analysis with a Scanning Laser Vibrometer:Working Example - A Violin, #236 943

G. Bissinger, K. Ye, East Carolina University

Multiple Configuration Ground Vibration Testing - X-34 and L-1011 Carrier Aircraft, #231 950R.D. Brillhart, J.C. Akers, SDRC Operations, Inc.; C. Huber, Orbital Sciences Corporation

Modal Test Consultant, #278 956S. Gade, N.B. Mailer, P. Horneman, Briiel &

Modal Testing of a Smooth Tire in Low and Medium Frequency - Estimation of StructuralParameters, #270 960

J. Perisse, J.M. Clairet, J.F. Hamet, INRETS

Validation of a New Non-iterative Method for Accurate Position Determination of a ScanningLaser Vibrometer, #356 968

S. Pauwels, N. Boucart, B. Dierckx, P. Van Vlierberghe, LMS International

Introduction of a General User Excitation Source Signal for Modal Testing, #275 973W.A. Fladung, A.W. Phillips, R.J. Allemang, University of Cincinnati

Dynamic Behavior of a Tilting Check Valve, #30 980M.A. Younes, S.M. Abdel-Rahman, National Water Researcher Center

27. Computational Challenges - Modal Correlation and Updating I

Robust Model Updating, #351 987M.I. Friswell, University of Wales, Swansea; J.E. Mottershead, T. Shenton, University ofLiverpool

Model Correlation Applied to Mechanical Couplings and Interfaces - An Empirical Approach, #17 992C.A. Reece, AWE

A Perspective on Model Updating Performance, #40 999G. Chen, D.J. Ewins, Imperial College of Science, Technology and Medicine

Correlation Methods for Axisymmetric Structures, #62 1006G. Chen, D. Fotsch, N. Imamovic, D.J. Ewins, Imperial College of Science, Technologyand Medicine

New Formulation for Coordinate Cross Orthogonality Checks, #96 1013Y. Matsumura, Y. Kurita, University of Shiga Prefecture; N. Tsujiuchi, T. Koizumi,Doshisha University

Natural Frequency Based Finite Element Model Updating Using Multiple AnalyticalModels, #103 1018

S.R. Ibrahim, Old Dominion University

Modal Analysis and Correlation of International Space Station Early Configuration, #189 1028M. Kaouk, S.L. Shein, H.M. Kim, The Boeing Company

28. Experimental Techniques II

Modal Testing of an Inflated Thin Film Polyimide Torus Structure, #69 1035T.D. Griffith, J.A. Main, University of Kentucky

Evaluation of Tire - Ground Boundary Conditions and the Effects on FRF Measurements, #201 1042E.R. Frenz, R.J. Allemang, University of Cincinnati

Multi-arrayed Sonic Digitizer System for Improved Coordinate Measurements, #223 1047R.W. Bono, K.B. Gatzwiller, The Modal Shop, Inc.; J. Hult, O. Nilsson, A. Larsson,University of Karlskrona/Ronneby

Transient Holography What is Possible for Engines, #316 1052F. Deblauwe, LMS International

New Method for Measuring Inertial Properties, #224 1056K.B. Gatzwiller, The Modal Shop, Inc.; M.C. Witter, D.L. Brown, University of Cincinnati

Modal Testing of Large Structures Using Projected Grid Moire, #55 1063A.K. Mitchell, Acadia University; F.L. Harvie, Dalhousie University

29. Blind Test Results

Developed by: C.E. Ventura, University of British Columbia

Measured and Calculated Modal Characteristics of Heritage Court Tower in

Vancouver, B.C., #304 1070C.E. Ventura, University of British Columbia; T. Horyna, Academy of Sciences ofthe Czech Republic

Ambient Vibration Data Analysis of Heritage Court Tower. Contribution of University ofPorto to IMAC Benchmark, #373 1075

A. Cunha, E. Caetano, C. Moutinho, University of Porto

Ambient Response Analysis of the Heritage Court Tower Building Structure, #294 1081R. Brincker, Aalborg University; P. Andersen, Structural Vibrations Solutions ApS

System Identification of Heritage Court Tower Using Stochastic Subspace Method, #407 1088J. Kullaa, Helsinki University of Technology

Summary ofHCT Building Ambient Vibration Data Analyses, #305 1095T. Horyna, Academy of Sciences of the Czech Republic; C.E. Ventura, University ofBritish Columbia

CVA - ARMAV Capabilities Comparison over the Heritage Court Tower Data, #386 1099B.A.D. Piombo, L. Garibaldi, E. Giorcelli, S. Marchesiello, Politecnico di Torino

Benchmark Study on System Identification Through Ambient Vibration Measurements, #168 1106G. De Roeck, B. Peeters, Katholieke Universiteit Leuven; W.X. Ren, ChangshaRailway University

30. Diagnostics of Rotating Machinery

Developed by: H.A. Gaberson, Naval Facilities Engineering Service Center

Computational Challenge of Radar Antenna Condition Monitoring, #302 1113J.Y. Jong, W.D. Dorland, AI Signal Research, Inc.

An Aircraft Gas Turbine Configured as a Smart Machine, #354 1119F.C. Nelson, Tufts University; A.M. Cerminaro, The Charles Stark Draper Laboratory

Langley Research Center RCM Implementation, #344 1123D.W. Pierpont, NASA Langley Research Center

Shock Spectrum Classification of Violent Environments that Cause Machinery Failure, #308 1126H.A. Gaberson, D. Pal, Naval Facilities Engineering Service Center; R.S. Chapler,Technical Consulting

Extraction of Rotating Machinery Noise from Accelerometer Data Using the SpectralDistribution Function, #355 1136

S.S. Davis, J. A. Laub, NASA Ames Research Center

31. Substructuring Analysis and Testing II

Developed by: R.R. Craig, Jr., The University of Texas at Austin

Hybrid System Modelling Using Frequency Based Substructuring: A Case Study, #331 1140T. Van Langenhove, LMS International; J. Maasdam, DAF Trucks

Enabling Vibro-acoustic Optimization in a Superelement Environment: A Case Study, #332 1146L. Hermans, M. Brughmans, LMS International

Substructure Synthesis via Elastic Media Part I: Joint Identification, #36 1153W. Liu, D.J. Ewins, Imperial College of Science, Technology and Medicine

Substructure Synthesis via Elastic Media Part II: Coupling Analysis, #37 1160W. Liu, D.J. Ewins, Imperial College of Science, Technology and Medicine

A Subsystem Design Tool Based on Modal Substructuring Concepts, #372 1167J.P. De Clerck, General Motors Proving Ground

Impedance Modeling for Machine Tool Applications, #311 1174P. Avitabile, F. Piergentili, University of Massachusetts Lowell

32. Damage Detection: Aircraft/Aerospace

On-line Database of Vibration-based Damage Detection Experiments, #80 1179R.S. Pappa, NASA Langley Research Center; S.W. Doebling, Los Alamos NationalLaboratory; T.D. Kholwad, University of New Mexico

Structural Identification of Mir Using Inverse System Dynamics and Mir/ShuttleDocking Data, #68 1186

D.C. Kammer, A.D. Steltzner, University of Wisconsin, Madison

The Use of Operational Deflection Shapes for Structural Damage Detection, #105 1194K. Waldron, A. Ghoshal, M.J. Schulz, M.J. Sundaresan, F. Ferguson, North CarolinaA&T State University; P.F. Pai, University of Missouri-Columbia; J.H. Chung, RaytheonSystems Company

Evaluation of Reduced Models for Damage Localization Using Subspace Recognition, #146 1200F.P. Lopez, D.C. Zimmerman, University of Houston

A New Damage Detection Method Based on a Wavelet Transform, #158 1207Y. Y. Kim, E.H. Kim, Seoul National University

Model-based Damage Detection of the Space Shuttle VSA Data Set, #257 1213G.H. James III, ETM. Inc.; D.C. Zimmerman, F.P. Lopez, University of Houston;T.T. Cao, NASA Johnson Space Center

Effects of Mode Pairing in Strain Energy-based Damage Detection Methods Applied to aAerospace Structure, #228 1218

R.A. Osegueda, G. Andre, C.J. Carrasco, CM. Ferregut, L. Pereyra, University ofTexas at El Paso

33. Computational Challenges-Model Correlation and Updating II

Application of MAC in the Frequency Domain, #63 1225D. Fotsch, D.J. Ewins, Imperial College of Science, Technology and Medicine

Stiffness Perturbation Analysis of Reduced Models, #145 1232F.P. Lopez, D.C. Zimmerman, University of Houston

Using Mode Shape Expansion Techniques for Pretest Analysis and Correlation, #138 1237G. Gloth, German Aerospace Center

Tire Vibration Transmission Part I: FEA Eigensolution Correlation, #218 1244H.S. Dorfi, R.L. Wheeler, G.H. Griffiths, Hankook Tire Co.

Selective Sensitivity of Static and Dynamic Problems, #190 1251J. Kozanek, Academy of Sciences of the Czech Republic; G. Lallement, Universite deFranche-Comte

Tire Vibration Transmission Part II: Test and Modal Model Quality Assessment, #219 1256R.L. Wheeler, H.R. Dorfi, G.H. Griffiths, J.D. Cotton, Hankook Tire Co.

Boundary Element Model Updating in Structural Dynamics, #260 1263J.M.C. Dos Santos, N.B.F. Campos, E.M. Neto, State University of Campinas

34. Model Updating - Case Studies

Correlation Considerations: Effects of Plate Flatness, #313 1270P. Avitabile, University of Massachusetts Lowell; J. Seymour, MechanicalEngineering Consultant

Modeling and Correlation of the X-34 Launch Vehicle, #276 1276P.A. Blelloch, E.L. Blades, R.D. Brillhart, Structural Dynamics Research Corporation

SRTM Survey and Hybrid Guyan Expansion, #233 1281C.Y. Peng, W. Tsuha, California Institute of Technology/NASA Jet Propulsion Laboratory

Adaptive Control of a Magnetically Levitated Spindle, #274 1288P. Barney, J.P. Lauffer, J. Redmond, W. Sullivan, Sandia National Laboratories

Study of Different Analytical Model Configurations to Account for ManufacturingVariability Using Model Correlation Tools, #312 1296

P. Avitabile, University of Massachusetts Lowell; J.M. Hunnell, A. Frank,J. DeVlaminck, Whirlpool Corporation

Optimisation of Dynamic Behaviour of a Multi-Roll-Calender Rack, #7 1302Y. Deger, E. Klaui, Sulzer Innotec Ltd.

35. Civil Structures I

Performing Bridge Condition Assessment with Spliced Multi-reference Impact Data, #104 1307M.S. Lenett, D.L. Brown, V.J. Hunt, A.J. Helmicki, University of Cincinnati

Real-time Girder Deflection Reconstruction Using a Fiber Bragg Grating System, #136 1313M.D. Todd, G.A. Johnson, Naval Research Laboratory; C.C. Chang, VirginiaPolytechnic Institute and State University

Accuracy Assessment of Bridge Modal Parameters Estimated from Ambient VibrationMeasurements, #77 1320

C. Gentile, A. Saisi, Politecnico of Milan

Damage Identification in Bridges Using Vibration-based System Identification Scheme, #394 1327J.T. Kim, S.H. Jung, Y.K. Lee, J.W. Yun, Pukyong National University

Signal Processing Methods for Bridge Monitoring Systems, #106 1334T. Cioara, University "Polytechnica" of Timisoara; S. Alampalli, New York StateDepartment of Transportation

Modeling for Controller Design on a Steel Floor System, #396 1341L.M. Hanagan, C.H. Raebel, E. Marsh, The Pennsylvania State University

36. Experimental Techniques III

Analytical SEA for Interior Noise Prediction and Control Using Operational Measurements, #375 1348M. Iadevaia, I. Moens, P. Sas, Katholieke Universiteit Leuven

Parametric Identification of Rotor-bearing Systems in the Frequency Domain, #83 1355F. Peeters, R. Pintelon, J. Schoukens, Y. Rolain, Vrije Universiteit Brussel

3D-PulsESPI Technique for Measurement of Dynamic Structure Response, #14 1362Z. Wang, T. Walz, A. Ettemeyer, Dr Ettemeyer GmbH & Co.

Residual Terms' Effect in Orthogonality Based Damage Detection Technique, #207 1369M.L.M. Duarte, R.R.S. Cypriano, Federal University of Minas Gerais

Measuring a Frequency Response of a Guitar, #35 1375S. Sali, J. Kopac, University in Ljubljana

A Modal Testing Method of the Rocking Vibration Isolation System, #5 1380M. Zheng, N. Feng, J. Liu, Beijing Institute of Technology

37. Civil Structures II

Modal Analysis of a Model of a Concrete Gravity Dam Monolith, #306 1386T. Horyna, Academy of Sciences of the Czech Republic; C.E. Ventura, University ofBritish Columbia; J. Rudolf, Sandwell

Issues for the Application of Statistical Models in Damage Detection, #342 1392M.T. Bement, Texas A&M University; C.R. Farrar, Los Alamos National Laboratory

Random Decrement Technique for Damage Identification of Stiffened Plates, #29 1399A. Zubaydi, M.R. Haddara, A.S.J. Swamidas, Memorial University of Newfoundland

Surface Effect Ship Vibro-impact Monitoring with Distributed Arrays of FiberBragg Gratings, #206 1406

G.A. Johnson, Naval Research Laboratory; K. Pran, G. Sagvolden, 0 . Farsund,G.B. Havsgard, G. Wang, Forsvarets forskningsinstitutt Norway;A. Jensen, FiReCo AS Norway

Shift of Natural Frequencies in Buildings Damaged by Earthquakes, #188 1412J. Horta, Universidad Autonoma de Queretaro, V.M. Castano, Instituto de Fisica, UNAM

Vibration and Acoustic Measurements on an Atomic Clock Facility, #90 1417P.S. Varoto, M.S. Santos, D.V. Magalhaes, F. Teles, V.S. Bagnato, University of Sao Paulo

38. Finite Elements II

Modal Behaviour of Structures Defined by Imprecise Geometric Parameters, #125 1422B. Lallemand, G. Plessis, T. Tison, P. Level, Universite de Valenciennes

Theoretical and Experimental Analysis of the Use of Smart Materials on FlexibleStructures, #130 1429

R. Ruotolo, G. Surace, Politecnico di Torino

Application of a Simplified Method for the Dynamic Simulation of Multilayer Panels, #140 1436M. Carfagni, P. Citti, F. Palloni, M. Pierini, Universita di Firenze; H. Bloemhof,Rieter Automotive Management AG

Model Correlation of the Flexible Semispan FEM, #209 1442T.J. Bartkowicz, H.M. Kim, M. Kaouk, The Boeing Company

The Modeling of the Mechanical Behavior of the Plain and Twill Fabrics by the FiniteElement Method, #366 1448

M. Tarfaoui, J.Y. Drean, S. Akesbi, Universite de Haute Alsace

The Errors Caused by Modal Truncation in Structure Dynamics Analysis, #112 1455D.C. Liu, H.L. Chung, W.M. Chang, Chung-Shan Institute of Science and Technology

Impact Analysis of Returning Spacecraft with Finite Element Method, #95 1461Y. Cui, G. Sun, China Aerospace Science Technology

39. Transducers

Design and Performance of a Gas Actuated Impact Hammer, #109 1466S.G. Mattson, CD. Van Karsen, J.R. Blough, Michigan Technological University;M. Scheifer, The Modal Shop

A New Annular Shear Piezoelectric Accelerometer, #170 1470B. Liu, B. Kriegbaum, Briiel KJEer A.S.

Simultaneous Placement of Actuators and Sensors, #28 1474W.K. Gawronski, California Institute of Technology, Pasadena

Image Processing for Fringe Unwrapping in Speckle Interferometry, #343 1479A. Agneni, University of Rome "La Sapienza"; M.A. Caponero, ENEA CR Frascati;A. Paolozzi, University of Rome "La Sapienza"

Utilization of Modal Analysis in Design of Multi-axis Force Sensor, #417 1485S. Draisey, Good Vibration Engineering Ltd.; D. Richmond, EPM Corporation

New Seismic Transducer For Health Monitoring of Civil Structure, #179 1491P. Yan, Y. Deng, L. Mao, Tsinghua University

40. Model Updating - Analytical Methods

Dynamic Mode Shape Expansion Using Mass Orthogonality Constraints, #149 1496K.F. Alvin, Sandia National Laboratories; F.M. Hemez, Los Alamos National Laboratory

Robust Dynamic Model Updating Using Point Antiresonances, #26 1503W. D'Ambrogio, University of L'Aquila; A. Fregolent, University of Rome "La Sapienza"

Dynamic Least Squares Parameter Estimation of Structures, #44 1513K.C. Yap, D.C. Zimmerman, University of Houston

On the Parameter Identifiability and Test Data Informativeness in Finite Element ModelError Localization, #161 1520

A. Larsson, T. Abrahamsson, Chalmers University of Technology

Reduced Model Concepts, #251 1528J. O'Callahan, University of Massachusetts Lowell

LMI Hybrid Expansion-reduction Damage Detection Method, #88 1537M. Abdalla, K.M. Grigoriadis, D.C. Zimmerman, University of Houston

Finite Element Model Update via Automatic Optimization of Physical Parameters, #48 1544L.Y. Sun, C.S. Yu, Southeast University; B.J. Zhang, Yuejin Motor (Group)Corporation; N. Chen, Q.H. Sun, Southeast University

41. Damage Detection: Infrastructure II

Structural FRF Acquisition via Electric Impedance Measurement Applied toDamage Location, #187 1549

V. Lopes, Jr., J.A. Pereira, UNESP; D.J. Inman, Virginia Polytechnic Institute andState University

Detection of Damage in a Stiffened Plate from Fusion of Modal Strain EnergyDifferences, #230 1556

L.R. Pereyra, R.A. Osegueda, C.J. Carrasco, C. Ferregut, University of Texas at El Paso

In-operation Structural Damage Detection Using Maximum Likelihood Techniques, #247 1563E. Parloo, P. Guillaume, M. Van Overmeire, Vrije Universiteit Brussel

One Year Monitoring of the Z24-Bridge: Environmental Influences Versus DamageEvents, #268 1570

B. Peeters, G. De Roeck, Katholieke Universiteit Leuven

Feasibility of Damage Detection Using Vibration Data in a Population of Cylinders, #120 1577T. Marwala, H.E.M. Hunt, University of Cambridge

Non-Destructive Evaluation Tool for Monitoring and Detection of Structural Damage byUsing Neural Network, #174 1584

D. Demarchi, J.A. Pereira, V. Lopes, Jr., University of Sao Paulo State

Damage Detection on Miniature AVLB Bridge Models, #220 1590S.E. Chen, University of Alabama at Birmingham; S. Aluri, R. Kalluri, H. GangaRao,West Virginia University

42. Experimental Techniques IV

Detection and Localization of Nonlinear Distortions, #176 1597S. Vanlanduit, P. Guillaume, J. Schoukens, E. Parloo, Vrije Universiteit Brussel

Non-destructive Diagnostics of Layered Structures: Advanced Signal Analysis AlgorithmsApplied to Vibrometric Data, #281 1604

E.P. Tomasini, F. Piazza, E. Esposito, M. Possanzini, University of Ancona

Laser Pulses in Modal Analysis: An Experimental and Numerical Investigation, #282 1611P. Castellini, G.M. Revel, L. Scalise, University of Ancona; R.M. De Andrade,Universidade Federal de Minas Gerais

Experimental Investigation of Beam-tip Mass and Pendulum System Under RandomExcitation, #93 1618

I. Cicek, Istanbul Teknik Universitesi; A. Ertas, Texas Tech University

Human Body Vibration Mode on an Indoor Ski Vibration Simulator, #134 1625M. Ishihama, Kanagawa Institute of Technology

Characterization of the Directions of Material Orthotropy in Carbon-epoxy Plates UsingModal Analysis with ESPI, #171 1632

T.L.M. Morgado, DEM-EST Polithecnic of Setubal

43. Modal Testing Methods II

Measurement of Residual Flexibility for Interface Stiffness Verification, #254 1637Y.T. Chung, The Boeing Company

Excitation Technique by 2-Axes Shaker for an NC Lathe, #258 1643Y. Morimoto, Y. Ichida, R. Sato, Utsunomiya University

An Indicator for Separation of Structural and Harmonic Modes in Output-onlyModal Testing, #286 1649

R. Brincker, Aalborg University; P. Andersen, Structural Vibrations Solutions, ApS;N.B. Mailer, Bruel & Kjaer A/S

Measuring Operating Deflection Shapes Under Non-stationary Conditions, #289 1655H. Void, Void Solutions, Inc.; B. Schwarz, M.H. Richardson, Vibrant Technology, Inc.

Data Acquisition Using PC Multimedia Functions, #300 1661M. Jay, Lear Corporation; M. French, Robert Bosch Corporation

FRF Estimation on Rotational Degrees of Freedom of the Structures, #165 1667T. Yoshimura, N. Hosoya, Tokyo Metropolitan University

A Method for Determining the Impact Force in Crash Testing, #314 1672Y. Fujii, National Research Laboratory of Metrology; D. Isobe, S. Saito, University ofTsukuba; H. Fujimoto, Y. Miki, National Research Laboratory of Metrology

44. Nonlinear Structures II

Experimental Characterization of Nonlinear Rubber Mounts, #387 1678CM. Richards, Caterpillar Inc.; R. Singh, Ohio State University

Identification of SDOF Nonlinear Systems Using Kernel Density Estimation, #262 1685K. Worden, The University of Sheffield

Two-DOF Nonlinear System Analysis Using a Generalized Bouc-Wen Model, #156 1692H. Wee, Y.Y. Kim, Seoul National University; H. Jung, Korea University ofTechnology and Education; K.N. Lee, LG Industrial Systems

The Dynamics of Pole Vaulting, #115 1696A.W. Lees, M.F. Wollaston, University of Wales, Swansea

FEM Analysis of Nonlinear Coupled Oscillator, #92 1703M. Yaman, Ataturk University; O. Cuvalci, Western Kentucky University; S. Sen,Ataturk University

Spectral Response of a Nonlinear System, #263 1710K. Worden, G. Manson, The University of Sheffield

Vibration Behavior of a Cracked Cantilever Beam, #18 1717F. Leonard, J. Lanteigne, S. Lalonde, Y. Turcotte, Hydro Quebec, IREQ

45. Model Updating-Automotive/Aerospace

Modal Analysis and Model Correlation of the Mir Space Station, #185 1724H.M. Kim, M. Kaouk, The Boeing Company

Reduction of Piston Slap Excitation with Small Gasoline Engine, #64 1731N. Tsujiuchi, T. Koizumi, M. Okamura, Doshisha University; I. Kubomoto, E. Ishida,Kubota Corporation

Acoustic Mode Control Method Using Additional Cavity and Holes, #166 1737J.D. Jeong, S.W. Yoo, H.G. Choi, CG. Ahn, J.M. Lee, Seoul National University

Landing Loads of an Aircraft on Moving Ships, #9 1743L. Tong, Shanghai Satake Cool-Heat & Control Technique Co., Ltd.; Z.Q. Qu, Universityof Arkansas

46. Substructuring

Frequency Domain Synchronous Averaging, #255 1748L.J. Davis, Larson Davis Inc.

Dynamic Condensation Methods for Viscously Damped Models, #13 1752Z.Q. Qu, R.P. Selvam, University of Arkansas

Methods for Improving the Efficiency of Numerical Noise Prediction, #152 1758D.W. Herrin, A.F. Seybert, T. Hu, University of Kentucky

An Integrated Experimental/Numerical Noise Source Identification Technique, #273 1763S.T. Raveendra, B. Gardner, A. Nejade, S. Sureshkumar, Automated Analysis Corporation

Linking Proper Orthogonal Modes and Normal Modes of the Structure, #151 1769S. Han, Kyungnam University

Iterative Methods for Dynamic Condensation of Structural Matrices, #10 1776Y. Ye, Commerzbank, Aktiengesellschaft, Shanghai Branch; Z.Q. Qu,University of Arkansas

47. Damage Detection/Infrastructure III

Damage Detection Using Neural Networks and Transfer Function Correlation, #22 1783J.S. Lew, Tennessee State University

Characterization of a Crack in a Plate Using Strain Mode Shapes, #239 1790S.H. Yoo, B.S. Kim, Ajou University

Identifying Damage Sensitive Features Using Nonlinear Time-series and BispectralAnalysis, #338 1796

D. George, University of Texas at El Paso; N. Hunter, CR. Farrar, Los AlamosNational Laboratory; R. Dean, University of Florida

Iterative Inverse Modal Perturbation Technique for Structural Joint Damage Assessment, #113 1803J.H. Yi, CB. Yun, Korea Advanced Institute of Science and Technology

Dynamic Analysis of Large Barrages in Egypt, #31 1810S.M. Abdel-Rahman, M.A. Younes, M.A. Abu-Zeid, M.A. Helal, Mechanical& Electrical Research Institute, National Water Research Center

Defect Detection and Characterization by Laser Vibrometry and Neural Networks, #283 1818P. Castellini, G.M. Revel, University of Ancona

Nondestructive Damage Detection of Bridges Based on Strain Mode, #159 1825P. Yan, Y. Deng, Tsinghua University

48. Modal Parameter Identification II

A Fuzzy Method for the Modal Identification of Uncertain Experimental Data, #126 1831G. Plessis, B. Lallemand, T. Tison, P. Level, Universite de Valenciennes

Nonparametric Identification of Rotor-bearing Systems in the Frequency Domain, #82 1838F. Peeters, R. Pintelon, J. Schoukens, Y. Rolain, Vrije Universiteit Brussel;E.S. Guiterrez, Imperial College of Science, Technology and Medicine; P. Guillaume,Vrije Universiteit Brussel

Modal Extraction on a Diesel Engine in Operation, #296 1845N.B. Moller, H. Herlufsen, Bruel & Kja;r A/S; R. Brincker, Aalborg University;P. Andersen, Structural Vibrations Solutions, ApS

Extraction of Modal Parameters From Ambient Vibration Data of Civil Structures: CaseStudies Using the Balanced Realization Method, #357 1852

B. Dierckx, J. Deweer, S. Pauwels, W. Leurs, LMS International

Modal Analysis of a Double-strike Screw Press, #365 1858P. Li, W. Tang, Shandong University of Technology

49. Experimental Techniques V

Experimental and Numerical Investigation of Circular Plates Failure Due to Shock Loading, #27 1862M. Moatamedi, B.C.R. Ewan, The University of Sheffield

A Robust Experimental Technique for Source Ranking and Transmission Path Analysis, #41 1872W.L. Li, United Technolgoies Carrier Corporation

Virtual Engine Simulation for Drivetrain Development, #154 1878E.F. Little, B. Ruttkowski, MTS Systems Corporation

Exhaust System Simulation for Vehicle NVH Development, #155 1883E.F. Little, R. Sparrow, MTS Systems Corporation

Torsional Vibrations During the Start-up of Electric Motor, #180 1888V. Jarvinen, J.S. Miettinen, Tampere University of Technology

Extending the Utility of Rigid Body Calculations in Test, #214 1894M.C Witter, A.W. Phillips, D.L. Brown, University of Cincinnati

Mechanical Impedance Detection Utilizing Sensing Capability of PiezoceramicInertial Actuator, #99 1901

S.F. Ling, Y. Xie, Nanyang Technological University

Addendum(Papers listed in the Addendum are ones which were submitted after the printer's deadline. Therefore,these papers could not be listed under the appropriate session titles)

A New Approach for Numberical Modal Analysis Using the Element-Free Method, #34 1906D.A. Johnson, A. El Ouatouati, Universite Catholique de Louvain (Session 14)