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INFO*'Proceedingsof the
10th InternationalModal Analysis
Conference
FEBRUARY 3-7, 1992TOWN AND COUNTRY HOTEL
SAN DIEGO, CALIFORNIA
DIRECTOR:Dominick J. DeMichele
SOCIETY FOR EXPERIMENTAL MECHANICS, INC.Kenneth A. Galione, Managing DirectorKatherine M. Ramsay, Conference Manager
UNION COLLEGE:Arnold E.S. Gussin, Dean, Graduate and Continuing Studies
Sponsored By:SOCIETY FOR EXPERIMENTAL MECHANICS, INC.
Bethel, CT 06801and
UNION COLLEGESchenectadv, NY 12308
TABLE OF CONTENTS
PAGE NO.
KEYNOTE ADDRESS
Modal Analysis: A Perspective on IntegrationJ. Leuridan, LMS International xxxiv
SESSION 1 ANALYTICAL METHODS I
A Single Mode Method for the Analysis and Identificationof Nonlinear MDOF Systems
L. Huang and W.D. Iwan, California Institute ofTechnology
*0n Regularization Methods Applied to the Error Localizationof Mathematical Models
H.G. Natke, University of Hannover 8
SESSION 2 SIESMIC I
An Investigation on Applicability of Modal Analysis asNondestructive Evaluation Method in Geotechnical Engineering
X. Sun and H.R. Hardy, Jr., The Pennsylvania State University 9
Fixed Base Frequency and Damping from Base Translation and RotationA.M. Rinawi, SSD Engineering Consultants; C.-M. Uang,Northeastern University; R.W. Clough, University of California 20
Improved Amplitude Fitting for Frequency and Damping EstimationA.M. Rinawi, SSD Engineering Consultants; andR.W. Clough, University of California 25
•Dynamic Response of a Liquid Storage Tank Model with Influencesfrom Support Non-Linearities
G.C. Manos, Aristotle University 29
SESSION 3 EXPERIMENTAL TECHNIQUES I
The Automatic Choice of Measurement Locations for Dynamic TestingJ.E.T. Penny, M.I. Friswell and S.D. Garvey, Aston University 30
Calculation of Discrete Modal Filters Using the Modified ReciprocalModal Vector Method
S.J. Shelley and R.J. Allemang, University of Cincinnati/SDRL 37
*Comparative Assessment of Modern Modal Testing StrategiesW. Bakkers and H. Van der Auweraer, LMS International; andDr. Kirchknopf, BMW AG 46
SESSION 4 ROTATING MACHINERY I
Indirect Identification of Fluid Structure Interaction Forces inBoilerfeed Pumps
D. DeVis and L. Gielen, LMS International; J. Verhoeven, BW/IPInternational; R. Nordmann and T. Neumer, UniversitatKaiserslautern 47
The Use of Neural Nets in Rotor BalancingW.J. Stevenson, D.L. Brown, R.W. Rost, and T.A. Grogan,University of Cincinnati 54
Bearing Fault Detection Based on Multiple Signal Features UsingNeural Network Analysis
Yun-Shun Chiou, Massoud Tavakoli and Steven Liang, GeorgiaInstitute of Technology 60
•Dynamic Analysis of Pivoted-Pad Journal Gas Bearing and RotorSystem of Turbo-Compressor for Fuel-Cell Power Plant
A. Sakurai and Y. Inoue, Kobe Steel, Ltd. 65
SESSION 5 MODAL TEST METHODS I
Application of an Enhanced Coordinate Modal Assurance CriterionD.L. Hunt, SDRC Engineering Services Division, Inc. 66
Effects of Weak Nonlinearities on Modal AnalysisA.F. Vakakis, University of Illinois at Urbana-Champaign; andD.J. Ewins, Imperial College of Science, Technology and Medicine 72
Decoupling System for Airbus A340 G.V.T.Bruno Carre, SOPEMEA; and Thierry Martinage, AEROSPATIALE 79
Using Real Time Animation as a Tool to Solve Vibration Problemsin the Automotive Industry
S.M. Stroope and C.P. Krieger, Defiance-SMC 85
SESSION 6 NOISE/ACOUSTICS I
Acoustic Noise Reduction Using Experimentally Determined ComplexMode Shapes
J. Castagna, Western Digital Corporation 91
iv
Characterizing Acoustic Mode Shapes in Arbitrary EnclosuresEric F. Little and Charles D. Van Karsen, MichiganTechnological University 97
An Impedance Approach to Vibro-Acoustic ModelingDirk Otte, Herman Van der Auweraer and Jan Leuridan, LMSInternational 104
Analytical and Experimental Study of Complex Modes in AcousticalSystems
F. Augusztinovicz, Institute for Transport Sciences; P. Sas,Katholieke Univesiteit; Dirk Otte, LMS International; and P.-O.Larsson, ABB Asea Brown Boveri 110
SESSION 7 EXPERIMENTAL CASE HISTORIES I
Free-Free and Fixed Base Modal Survey Tests of the Space StationCommon Module Prototype
T.C. Driskill, J.B. Anderson and A.D. Coleman, NASA MarshallSpace Flight Center 117
Modal Survey Testing of the Lidar In-Space Technology Experiment(LITE), A Space Shuttle Payload
J.B. Anderson, A.D. Coleman and T.C. Driskill NASA Marshall SpaceFlight Center; and M.C. Lindell, NASA/LARC 124
•Experimental Investigation of Santa Anita DamZ.H. Duron and J.F. Hall, Harvey Mudd College 130
SESSION 8 FINITE ELEMENT ANALYSIS I
A Transient Dynamic Analysis of Circuit Board Depaneling's Effectson Ceramic Capacitors
Mark L. Walker, Cincinnati Microwave; Ha-Dih Hsieh and I-ChihWang, University of Cincinnati 131
The Irons-Guyan Reduction Method with IterationsAbdur Razzaque, PDA Engineering 137
A Study on the Dynamic Characteristics of Rocket StructureK.O. Kim, J.M. Lee, J.H. Kim and S.J. Kim, Seoul NationalUniversity 146
•Simulating the Presence of Damage in a Vibrating Structure withFinite Element and Structural Dynamics Modification Techniques
W.T. Springer and S.A. Stuff, University of Arkansas; A.D.Colemen and T.A. Driskill, NASA Marshall Space Flight Center 151
•Parameter Estimation of Structural Dynamic Models Using Eigenvalueand Eigenvector Information
J.J. Allen and D.R. Martinez, Sandia National Laboratories 151
v
•The Impedance Matrix for the Finite Dynamic Element of TriangularBending Plate
Jing-yu Chen, Fuzhou University 151
•Identification of Structural Boundary ConditionDong Xiao-Qing, Zhejiang Machinery Import/Export Corporation;Cheng Yaodong and Qi Jin, Zhejiang University 152
•Tuning of Large-Scale Finite Element ModelsEddy Dascotte, Dynamic Engineering 152
SESSION 9 PROCESSING MODAL DATA(PARAMETER ESTIMATION)
A New Method for Poly-Reference Identification of Modal Parametersin Modal Testing
Weui Bong Jeong, Pusan National University; and Akio Nagamatsu,Tokyo Institute of Technology 153
Determining the Accuracy of Modal Parameter Estimation MethodsMichael Lee and Mark Richardson, Structural MeasurementSystems 159
Modal Parameter Estimation in Structural System Using ComplexEnvelope Signal
Jae-Kab Lee and Youn-Sik Park, Korea Advanced Instituteof Science and Technology 167
Development of an On-Line Parameter Estimation System Usingthe Discrete Modal Filter
S.J. Shelley, University of Cincinnati/SDRL; L.C. Freudinger,Dryden Flight Research Facility; and R.J. Allemang, Universityof Cincinnati/SDRL 173
Applications of Weighted SDOF Circle Fitting MethodS. Zhou and J.R. Gartner, University of Connecticut 184
SESSION 10 LINKING ANALYSIS AND TEST I
Assessing Model Quality in Parameter Updating ProceduresM.I. Friswell and J.E.T. Penny, Aston University 188
A Case Study on the Correlation and Correction of Finite Elementand Experimental Modal Models of a Cross Country Ski
LeRoy Petrick and Alan Benz, KIT Corporation 195
VI
Direct Updating of Nonconservative Finite Element Models UsingMeasured Input-Output
S.R. Ibrahim, Old Dominion University; W. D'Ambrogio,Universita di Roma "La Sapienza"; P. Salvini, Universitadi Roma "Tor Vergata"; and A. Sestieri, Universita di Roma"La Sapienza" 202
An Automated Mechanical Mobility Measurement System for AcquiringData for Experimental Modal Analysis
B.L. Agee, X. Zeng, L.D. Mitchell, Virginia PolytechnicInstitute and State University; and M.I. Schiefer, ZonicCorporation 211
Identification of Rigid Body Inertia Properties from ExperimentalFrequency Response
Annalisa Fregolent, Aldo Sestieri, Universita di Roma"La Sapienza"; and Marco Falzetti, Centre SviluppoMateriali 219
•A Procedure for the Integrated Development of Test-AnalysisModels
P. Sergent, S. Crowley and M. Capobianco, Structural DynamicsResearch Corporation 226
•Adaptive Diagnosis of Faults in Elastic Structures by StaticDisplacement Measurement: The Method of Selective Sensitivity
Yakov Ben-Haim, Technion - Israel Institute of Technology 226
•Real Modes Computation from Identified Modal Parameters withEstimate of Generalized Damping
F. Placidi, F. Poggi and A. Sestieri, Universita di ."La Sapienza" 226
SESSTON 11 EXCITATION/FUNDAMENTALS
State of Art on Modal Analysis in JapanAkio Nagamatsu, Tokyo Institute of Technology 227
Exciting Large Structures Using a *Bolt-Gun'M.G. Wood, M.I. Friswell and J.E.T. Penny, Aston University 233
An Efficient Parallel Processor for Step Sine Modal DataAcquisition
Gary C. Foss, Boeing Defense and Space Group 239
Design of Piezoelectric Vibration Generators for CalibrationPurposes
J.R. Seymour, GE Navy and Small Steam Turbines; and J.A. MooreUniversity of Massachusetts ' 246
Active Vibration Control of Bridge Cable Excited by Wind ForceRuo-jing Zhang and Shi-qin Jiang, Tongji University 254
vii
•Modal Testing Using Multiple Input Random ExcitationD.L. Hunt and R.D. Brillhart, SDRC Engineering ServicesDivision, Inc. 258
SESSION 12 SYSTEM IDENTIFICATION I
Direct Estimation of Rigid Body Properties from Frequency ResponseFunctions
J.A. Mangus, C. Passerella and C. Van Karsen, MichiganTechnological University 259
A New Approach for Identification of Physical Matrices by ModalTesting
Weui Bong Jeong, Pusan National University; and Akio Nagamatsu,Tokyo Institute of Technology 265
•Modal Analysis and System Identification of Coupled ElectronicPackaging Systems
K.K. Stevens, T.L. Wong and G. Wang, Florida AtlanticUniversity 272
•Variation in the Modal and System Parameters of Steel Plates Dueto Changes in Physical Properties
Mostafiz R. Chowdhury, East Carolina University 272
•Recursive Identification of Nonlinear Systems by Means of theExtended Kalman Filter
S. Seibold and C.-P. Fritzen, University of Kaiserslautern 272
SESSION 13 DESIGN METHODS
Study on Large-Scaled Multiple Source Problems in EnvironmentalVibration Engineering
Y. Hashimoto and T. Abe, Takenaka Corporation 273
Analysis of Fatigue Life of Tall-Structures Under Wind LoadingWei Lin and Feng Qi, Tongji University 280
Dynamically Optimum Design of Machine Tool StructuresLiao Yongyi and Liao Baiyu, Kunming Institute of Technology 286
•Active Control of Structural Vibration Via Considering AccelerationIndex
Jiesheng Jiang, Yuanjin Ye and Jianlin Zhang, NorthwesternPolytechnical University 290
•Structural Damping Measurements of Steel and Damped Steel SheetUsing FFT-Based Frequency Response Analyzer
M. Arai, T. Yamaguchi, H. Takahashi, S. Saitoh and H. Kosawa,Advantest Corporation . 290
viii
SESSION 14 MODAL TEST METHODS II
Force Reconstruction Using a Sum of Weighted Accelerations TechniqueT.G. Carne, V.I. Bateman and R.L. Mayes, Sandia NationalLaboratories 291
Optimum Force Vector Conditioning in Incremental Sine TestingHerman Van der Auweraer, Dirk Otte, Jan Debille and JanLeuridan, LMS International 299
Experimental Technique for Accurate Determination of Rigid BodyCharacteristics
S.M. Pandit, Z.-Q. Hu and Y.-X. Yao, Michigan TechnologicalUniversity 307
Mass-Additive Modal Test Method for Verification of ConstrainedStructural Models
J.R. Admire, M.L. Tinker and E.W. Ivey, NASA Marshall SpaceFlight Center 312
•Low Cost Real-Time Spectral Resolver for Modal ApplicationsJagdish T. Gajjar, Union College 319
•Driven-Base Modal Parameter Estimation for Continuous StructuresJyh-Chiang Lee, Chung Shan Institute of Science andTechnolgy; and Yuan-Fang Chou, National Taiwan University 319
•Reduced Order Linear Models of a Hydro-Mechanical MountGun Kim and Raj Singh, Ohio State University 320
SESSION 15 SUBSTRUCTURING
Application of the Theory of Finite Group Representations to theDecomposition of Limit Problems
A. Elhami, H. Lecoanet, H. Belhadj and A. Perriot, Universityof France - Comte 321
Dynamic Substructuring by Guyan Condensation Selection of theMaster DOF
N. Bouhaddi, S. Cogan and R. Fillod, University of France -Comte 328
Modification of Flexible Robot Manipulators Using SubstructureSynthesis Techniques
S.P. Lim, A.Q. Liu and S.T. Chow, National University ofSingapore 334
Some New Free-Interface Methods for Substructural CouplingDe-Wen Zhang and Dongmei Chao, Beijing Institute ofStructure and Environment 340
xx
Transient Analysis of Geometrically Linear and Nonlinear Structuresby a Combined Finite Element-Riccati Transfer Substructures Methods
Jinghua Zhu, Suzhou Institute Urban Construction andEnvironmental Protection; and Huiyu Xue, Suzhou University 346
A Combined Finite Element-Riccati Transfer Substructure Methodfor Steady-State Response Analysis of Structures
Jinghua Zhu, Suzhou Institute Urban Construction andEnvironmental Protection; and Huiyu Xue, Suzhou University 351
•An Improved Numerical Procedure for the Coupling of DynamicComponents Using Frequency Response Functions
T.C. Lim and G.C. Steyer, Structural Dynamics ResearchCorporation 355
SESSION 16 NON-LINEAR STRUCTURES I
Nonlinear Normal Modes in Vibrating SystemsA.F. Vakakis, University of Illinois at Urbana - Champaign 356
Dynamics of Periodically Excited Nonlinear Oscillators Relatedto Experimental Modal Analysis
S.E. Klenke and S. Natsiavas, Arizona State University 363
An Investigation on Nonlinear ChatterDai Depei, Chen Hualing, Xi'an Jiaotong University; andZhang Xianghui, Beijing United University 369
•Aeroelastic System Identification of Advanced Technology.AircraftThrough Higher Order Signal Processing
R.O. Stearman, E.J. Power, University of Texas - Austin;J. Schwartz and R. Yurkovich, McDonnell Aircraft Company 374
•Impulse Testing of Linear and Non-Linear Vibrating SystemsY.Q. Hao, H.J. Rice and J.A. Fitzpatrick, Trinity College 374
SESSION 17 SYSTEM IDENTIFICATION II
An Efficient Method for Determining Magnitude and Phase from LaserVelocimeter Data
K. Kochersberger, L.D. Mitchell and A.L. Wicks, VirginiaPolytechnic Institute and State University 375
An Analysis of Sample Rate Considerations for Parametric SinusoidalEstimation Methods
CM. Archibald and A.L. Wicks, Virginia Polytechnic Instituteand State University 382
•System Identification and Coherence Analysis in the Presence ofa Harmonic Signal
K.-N. Lou, D.E. Lyon and P.J. Sherman, Purdue University 389
•The Use of Impulse Response Function for Modal Parameter EstimationSvend Gade and Henrik Herlufsen, Bruel & Kjaer Instruments 389
•A Time Domain Method for Identification Based on Fourier SeriesD.A. Rade and V. Steffen, Jr., Federal University ofUberlandia 389
SESSION 18 NOISE/ACOUSTICS II
Integrated Design Approach to BEM Acoustic Radiation PredictionM. Brughmans, H. Van der Auweraer, F. Lembregts, J. LeuridanU. Vandeurzen, LMS International 390
Comparison of Hammer-Impact Modal Analysis Measurements withCardioid and Omnidirectional Microphone in the Near- and Far-Field Regions
George Bissinger and Mostafiz R. Chowdhury, East CarolinaUniversity 394
Passive Sound Insulation Package Experimental Development onMedium Truck Diesel Engine Based on Sound Intensity MeasurementTechnique
F.C. Tinti, S.A. Italiana Keller 400
Pure-Tone Radiation Efficiency of Panels and BoxesJ. Zhang, X.B. Ye, D. Dai and C.H. Ku, Xi'an JiaotongUniversity 407
SESSION 19 EXPERIMENTAL CASE HISTORIES II
The Use of Modal Analysis in the Development of Advanced LithographyMachines
D.P. Roach, Sandia National Laboratories 414
On the Use of Simulated "Experimental" Data for Evaluation ofModal Analysis Methods
H. Jung and D.J. Ewins, Imperial College of Science,Technology and Medicine 4 21
Redesign of Automatic Stock Elevator Using Finite ElementAnalysis and Experimental Modal Analysis
Kaj Dam Madsen and Steen Johansen, Danish TechnologicalInstitute 4 30
Determining Structural Parameters of Terracotta Warrior inAnti-Seismic Design
Jianmin Gao and Shengpei Liu, Northwestern PolytechnicalUniversity 437
XI
A Method to Identify the Structural Parameter of a Large Numberof Terracotta Warriors of Qinshihuang Tomb
Shengpei Liu and Jianmin Gao, Northwestern PolytechnicalUniversity 4 4 1
•Modal Analysis in the Certification of a Commercial AircraftW.R. Buckley, Boeing Canada; and J.B. Poland, LMTS Corporation 447
SESSION 20 NON-LINEAR II
Techniques for Forced Response Involving Discrete NonlinearitiesPart I - Theory
Peter Avitabile and John O'Callahan, University of Lowell 448
Techniques for Forced Response Involving Discrete NonlinearitiesPart II - Applications
Peter Avitabile and John O'Callahan, University of Lowell 457
Approximate Analysis of Double Limit Cycle Flutter and ItsBifurcation of an Airfoil
Zhi-Chun Yang and Ling-Cheng Zhao, Northwestern PolytechnicalUniversity 464
•An Explanation of the Cause of the Distortion in the TransferFunction of a Duffing Oscillator Subject to Sine Excitation
D.M. Storer and G.R. Tomlinson, University of Manchester 469
•Nonlinear Modal Synthesis Based on Normal Form TheoryL. Jezequel, Ecole Centrale de Lyon; C.-H. Lamarque, EcoleNationale des Travaux Publics de L'Etat 469
•A Spectral Method for Identifying Nonlinear SystemsRong-Juin Shyu, National Taiwan Ocean University 469
•A New Direct Identification of System Physical Parameters forSystems with Nonlinear Elements
Ye Lin and Willi Kortum, German Aerospace ResearchEstablishment(DLR) 470
SESSION 21 LINKING ANALYSIS AND TEST II
An Analysis of the Improved Reduced System (IRS) Model ReductionProcedure
Joshua H. Gordis, SDRC Engineering Services Division, Inc. 471
Finite Element Model Optimization Using an Iterative ApproachM.S. Hemami, Isfahan University and M.K. Abdelhamid, Universityof Maryland 480
xii
Reconciliation Between Measured and Calculated Dynamic Behaviors:Enlargement of the Knowledge Space
G. Lallement and S. Cogan, University of Franche - Comte 487
Updating Finite Element Models Using Static DeformationsG. Lallement, R. Berriet and S. Cogan, University ofFranche - Comte 494
•Observations on Some Model Optimiztion MethodsM.S. Hemami, Isfahan University; and M.K. Abdelhamid, Universityof Maryland 500
•A Second Order Iteration Procedure for Correlation of AnalysisFrequencies with Test Data
I.U. Ojalvo and D. Pilon, University of Bridgeport 500
•Expanding Test Mode Shapes for Better VisualizationSteven M. Crowley, Structural Dynamics Research Corporation 501
•Active Vibration Control of a Flexible Manipulator in a ParallelDrive Mechanism
Young-Kyun Ha, Seung-Chul Choi, Jae-Won Kim, Sang-Jo Lee andYoung-Pil Park, Yonsei University 501
SESSION 22 STRUCTURAL FAILURE ANALYSIS
Remote Detection and Location of Structural Faults Using ModalParameters
M.H. Richardson, Vibrant Technology, Inc.; and M.A. Mannan,Royal Institute of Technology 502
A Comparison of the Modal Responses for Defective VersusNondefective Concrete Test Beams
Mostafiz R. Chowdhury and Mirtha Ramirez, East CarolinaUniversity 508
A Simple Nonlinear Model of a Cracked BeamM.I. Friswell and J.E.T. Penny, Aston University 516
The Location of Defects in Structures: A Comparison of the Use ofNatural Frequency and Mode Shape Data
C.H.J. Fox, University of Nottingham 522
Effect of Damage on the Modal Parameters of a Cylindrical ShellM.G. Srinivasan and C.A. Kot, Argonne National Labortory 529
Applications of the Modal Assurance Criteria for Detecting andLocating Structural Faults
Joon-Ho Kim and Hyuck-Soo Jeon, Agency for Defense Development;and Chong-Won Lee, Chung-Ang University • 536
xm
Dynamic Analysis of Clamped-Free Cracked Beams Subjected to AxialLoads
A.J.M. Araujo Gomes, Universidade Nova de Lisboa; and J.M.Montalvao e Silva, Instituto Superior Tecnico 541
Diagnosis of a Slot Fault on a Frame StructureKai Yin Zhang, Ai Jun Gu and Jian Wen Li, Wuhan University ofWater Transport Engineering 549
SESSION 23 PROCESS MODAL DATA II
Multiple Input - Multiple Output Modal Analysis in a PC EnvironmentF. Lembregts and P. Aendekerk, LMS International 554
Modal Filtering Approach to Dynamic Fatigue AnalysisC. Liefooghe, J. Leuridan and H. Van der Auweraer, LMSInternational 560
Time-Frequency Domain for Modal Parameter IdentificationWeiping Sha and Zizheng Hu, Jilin University of Technology 567
•Optimal Uniform Subwindow Partitioning for FFT-Based Time-FrequencySpectrum Estimation
C.W. Borghesani and P.J. Sherman, Purdue University; andT. Hunt, Ford Motor Company 570
•An Iterative Approach to a Reduced Mass MatrixM.A. Blair, T.S. Camino and J.M. Dickens, Lockheed Missilesand Space Company 570
•Estimation of Correlation Functions by the Random DecrementTechnique
R. Brincker, S. Krenk and J.L. Jensen, University of Aalborg 571
•Improved Frequency Response Function Estimation by Data DependentSystems
S.M. Pandit and Y.-X. Yao, Michigan Technological University 571
SESSION 24 MATRTX METHODS
Study of Modal Vector Correlation Using Various Techniques forModel Reduction
P. Avitabile, F. Pechinsky and J. O'Callahan, University ofLowell 572
The U-Vector Expansion Method for Modeling Structural/AcousticSystems
W.G. Halvorsen, Halvorsen Associates, Inc.; P.s. Barney andD.L. Brown, University of Cincinnati 584
xiv
An Improved Epsilon Decomposition Approach for Structural SystemIdentification
Lingmi Zhang, Tong Xiao and Boqing He, Nanjing AeronauticalInstitute; and Irving U. Ojalvo, Columbia University 591
•Introduction to Matrices in Modal AnalysisD.J. Inman, State University of New York at Buffalo 595
•Fundamental of Ill-ConditioningIrving U. Ojalvo, Columbia University 595
•Data Correlations in Matrix for Modal IdentificationJ.E. Cooper and J.R. Wright, University of Manchester 595
SESSION 25 ANALYTICAL METHODS II
Eigen Sensitivity Analysis with Repeated EigenvaluesFu-Shang Wei, Kaman Aerospace Corporation 596
Convex Models for Uncertainty in Radial Pulse Buckling of ShellsYakov Ben-Haim, Technion - Israel Institute of Technology 601
Modal Analysis for Disordered Periodic or Nearly PeriodicStructures
Luo Weide and Wang Hao, Fudan University 606
•Modal Theory of Linear Incompletely Uncoupled Vibration SystemQ.J. Yang, P.Q. Zhang and C.Q Li, University of Science andTechnology of China; and T.C. Huang, University of Wisconsin-Madison 612
•On the Fundamental Frequency of Symmetric Rectangular LaminatedPlates: A New Closed-Form Approximate Solution
R. Reiss, 0. Barton, L. Thigpen and W. Aung, Howard University;and B. Qian, University of the District of Columbia 612
•Comparison of Two Approaches to Incorporate Geometric StiffnessTerms in Flexible Multibody Dynamics
Oskar Wallrapp, German Aerospace Research Establishment;Wolfgang Rulka and Martin Maurer, MAN Technology AG 613
•Complex Modal Analysis of Nonstationary Random ResponseTong Fang and Tian-Shu Zhang, Northwestern PolytechnicalUniversity; and Zhen-Ni Wang, Newcastle University 613
SESSION 26 DAMPING I
Extraction of Complex Eigenvalues of Generally Damped MechanicalSystems: A Review
W.X. Li, L.D. Mitchell and X. Zeng, Virginia PolytechnicInstitute and State University 614
xv
An Experimental Investigation of Viscoelastic Damping Techniquesfor Optimizing Beam Type Accelerometers
B.R. Patton, M.D. Rao, C D . Van Karsen, Michigan TechnologicalUniversity; and R.W. Lally, PCB Piezotronics, Inc. 620
Damping Matrix Estimation from Experimental and Analytical Datafor Linking Analysis and Test
J.J.C Wei and Y.W. Luk, Zonic Corporation; and R.J. Allemang,University of Cincinnati/SDRL 625
•An Adaptive Controller for Damping Robot VibrationsJ. Yuan and Y. Stepanenko, University of Victoria 632
A New Method for Predicting the Dynamic Behaviors of Three-LayerViscoelastically Sandwiched Structures
Y.C Ding, B.H. Lu and C H . Ku, Xi'an Jiaotong University 637
An Effective Software-VSDM for Predicting Dynamic Characteristicsof Structures Modified by Viscoelastic Damping
Wang Xiaogang, Taiyuan University of Technology 642
SESSION 27 TRANSDUCERS (LASER/OPTICAL)
Rapid Full Field Vibration Pattern Imaging Using a Laser DopplerVibration Sensor
A.J. Barker, Ometron, Ltd. 650
Spatial Domain Techniques for Modal Analysis Using a Laser DopplerVelocimeter
J.R.F. Arruda, F. Sun and L.D. Mitchell, Virginia PolytechnicInstitute and State University 656
Study on Dynamic Behaviour of a Head Component of Computer DiskDuring Contact-Start-Stop Motion
Nobuyuki Okubo and Takehiko Komiya, Chuo University; andTadashi Sumimoto, Yaskawa Electric Mfg. Co., Ltd. 665
Determination of Accelerometer Transverse Sensitivity Using aLaser Doppler Velocimeter
B.L. Agee, J.B. Donovan and A.L. Wicks, Virginia PolytechnicInstitute and State University 670
Torsional Mode Shape Measurement of a Rotating ShaftP. Wang, P. Davies, J.M. Starkey and R.L. Routson, PurdueUniversity 676
Experimental Modal Analysis of a Mini-Small Object — Resonating3eam Force Sensor
P.Q. Zhang, X.L. Tang, Q.M. Wang and W. Ma, University ofScience and Technology of China; and T.C. Huang, Universityof Wisconsin-Madison 683
xvi
•Application of a Three Degree of Freedom Laser Vibrometer forExperimental Modal Analysis
J.A. Cafeo, M.W. Trethewey, J.R. Rieker and H.J. Sommer III,Pennsylvania State University 688
SESSION 28 MODELING
Derivation of a Structural Controls Design Model from Test DataUsing Experimental Modal Analysis and ERA1
J.P. Lauffer, J.J. Allen and S.D. Gray, Sandia NationalLaboratories 689
Eigenvector Derivative Using an Improved Fox MethodDe-Wen Zhang, Beijing Institute of Structure and Environment;and Fu-Shang Wei, Kaman Aerospace Corporation 696
High Frequency Power Flow in StructuresJ.D. Palmer, E.J. Williams and C.H.J. Fox, University ofNottingham 701
•Modeling and Control Design of a Wind Tunnel Model SupportDavid A. Howe, NASA Ames Research Center 708
•The Modal Analysis of Motion Response, Dynamic Stress and AcousticRadiation
Tian Jifang, Tsinghua Unversity 708
•Local Element Method for Structure Dynamics ModificationJian Kang and Xiaoyan Wu, Jilin University of Technology 709
SESSION 29 LINKING ANALYSIS AND TEST III
Exploring the Correlation and Correction of Finite Element andExperimental Modal Models
LeRoy Petrick and Alan Benz, KIT Corporation 710
Modeling and Vibration Control of a 3 DOF Flexible Manipulator ArmYoung-Kyun Ha, Jae-Won Kim and Young-Pil Park, YonseiUniversity 717
Test/Analysis Correlation Using Frequency Response FunctionsPaul Conti and Mark Donley, Structural Dynamics ResearchCorporation 724
Experience With Different Procedures for Updating StructuralParameter of Analytical Models Using Test Data
Michael Link, University of Kassel; and Lingmi Zhang, NanjingAeronautical Institute 730
•Revising MSC/Nastran Models to Match Test DataKen Blakely, The MacNeal-Schwendler Corporation 73 9
xvii
•Factors Contributing to the Nonlinear Acoustic Response in FluidStructural Interactions on a Thin Cylindrical Shell
W.E. Brown, R.B. O'Donnell, E.J. Powers, R.O. Stearman andG.R. Wilson, University of Texas at Austin 739
•Updating of Force FunctionsEddy Dascotte and Geert Desanghere, Dynamic Engineering 740
SESSION 30 SYSTEM IDENTIFICATION III
A New Modal-Based Method for Structural Dynamic Model Updating andJoint rdentification
A.S. Nobari, D.A. Robb and D.J. Ewins, Imperial College ofScience, Technology and Medicine 741
Applications of Data Compression Techniques in Modal Analysisfor On-Orbit System Identification
Robert A. Carlin and Frank Saggio, Garman Systems, Inc.;and Ephrahim Garia, Vanderbilt University 751
A Method for Determining Modal Parameters Using FRF Curve-Fittingand Off-Resonance Sine Dwell
K. Kochersberger and L.D. Mitchell, Virginia PolytechnicInstitute and State University 757
Parametric and Nonparametric Identification of Automotive ShockAbsorbers
K. Worden and G.R. Tomlinson, University of Manchester 764
Damage Detection of a Reinforced Concrete Bridge Deck Using theFrequency Response Function
S.-S. Law, Hong Kong Polytechnic; P. Waldron and C. Taylor,University of Bristol 772
Active Vibration Control of Flexible Structures Subjected toArbitrary Excitation
Y.-Q. Zhang, Fudan University; Z.H. Luo and Z.Y. Chen, ShanghaiJiao Tong University 779
SESSION 31 EXPERIMENTAL TECHNIQUES II
Corehence: A Powerful Estimator of Nonlinearity Theory andApplication
A. Rauch, Technical University of Denmark 784
Proposition of Velocity Feedback Random Excitation Technique inModal Testing
Masaaki Shirai, NKK Corporation; Masakatsu Yamaguchi andAkio Nagamatsu, Tokyo Institute of Technology 796
xvm
•Low Frequency Calibration with the Structural Gravimetric TechniqueD.M. Lally, L. Jing and R.W. Lally, PCB Piezotronics, Inc. 801
•Optoelectronic Measurement and Calculation of Surface WavePropagation on Irregular Soil Domains
Lothar Gaul, University of the Federal Armed Forces Hamburg;and Michael Plenge, JAFO Technology 801
•Experimental Research on Dynamic Properties of Mini-Small Object1
P.Q. Zhang, Q.M. Wang, X.O. Tang, University of Science andTechnology of China; and T.C. Huang, University of Wisconsin-Madison 801
SESSION 32 ROTATING MACHINERY II
Simulation of Vibration in a Disc Rotating Past a Static ForceH. Mehdigholi, D.A. Robb and D.J. Ewins, Imperial College ofScience, Technology and Medicine 802
Using Optimization for Balancing Flexible RotorsV. Steffen, Jr. and H.B. Lacerda, Federal University ofUberlandia 810
A New Method for Measuring the Machine Tool Transmission ErrorMin Liu, Yiyun Huang and Jian Shao, Zhejiang University 816
SESSION 33 FINITE ELEMENT ANALYSIS II
Model Updating Using Automated Model ImprovementHenriette Wessels, Aerotek, CSIR 819
A Mixed Finite Element Modeling Approach for the Dynamic Responseof Three-Dimensional Impact-Contact Systems
Hengan Ou, Runfang Li and Jianxia Gong, Chongqing University 822
The Modal Synthesis in the Analysis of Robot Kineto-ElastodynamicsJing-Hong Jiang and Wan-Min Jin, Southeast University 828
Inverse Eigenvalue Problem for Beam and Vibration DesignZongbai Deng and Chuangrong Zhou, Nanjing AeronauticalInstitute 836
•System Dynamics in Quiet Gear DesignG.C. Steyer and T.C Lim, Structural Dynamics ResearchCorporation 8 40
•Nonlinearity Identification and Quantification Using InverseFourier Transform
Youn-Sik Park and Won-Jin Kim, Korea Advanced Institute ofScience and Technology 84 0
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SESSION 34 DAMPING II
Using Power Flow to Determine a Frequency Dependant Loss FactorJ.P. De Clerck, General Motors Proving Grounds; CD. Van Karsen,H.A. Evensen and M.D. Rao, Michigan Technological University 841
On the Influence of Deformation Amplitude on the Variation ofInternal Damping
P. Palcek, Technical University of Transport and Communications;and I. Emri, University of Ljublijana 845
A Normal Modes Model of Initially Stressed Structures for ModalTesting
Jyh-Chiang Lee, Chung Shan Institute of Science and Technology;and Yuan-Fang Chou, National Taiwan University 851
•Optimal Dynamic Absorber for Transients - Application to the Motionof a Robot Arm
D.A. Johnson, University of Louvain-la-Neuve 856
•Frequency Modification of Damped Mechanical SystemsE.K.L. Yee, Wright Patterson Air Force Base; and Y.G. Tsuei,Cheng Kung University 856
•Dynamics of Partially Viscoelastically-Supported PlateY.Z. Wang and H.Y. Chu, National Central University 856
•Treatment of Damping Additions on Initially Undamped StructuresUsing a Modal Reanalysis Procedure
P. Level, H. Morvan, Y. Ravalard and J. Oudin, Universitede Valenciennes . 857
SESSION 35 VEHICULAR I
A Preliminary Study of Noise Reduction in a Passenger Car ThroughOptimization of the Engine Suspension
Andrea Bracciali, Paolo Dugini and Marco Pierini, Universitadi Firenze 858
Modal Analysis and Structural Dynamics Modification for Vibrationof Trial-Produce Vehicle
Huang Xiuqing and C.H. Ku, Xian Jiaotong University; WangJingting and Xiong Ruiwen, Jiangxi Polytechnic University 863
The Application of Modal Analysis and Modeling Techniques toLaboratory Simulation Testing
D.W. Sulisz, Test Systems and Simulation, Inc.; A.J. LaCombe,Structural Dynamics Research Corporation; and J.N. Fletcher,Test Systems and Simulation, Inc. 870
•Productivity Gains in Interior and Exterior Acoustical Analysisof Passenger Cars by Automated Multi-Channel Test Procedures
U. Vandeurzen, P. Van de Ponseele, J. Lipkens, J. Leuridanand N. Kirtley, LMS International 877
•A Study on the Interior Noise-Reduction of a Passenger CarM.H. Sung, Y.J. Kang, J.M. Lee, Seoul National University,S.H. Kim, Kangweon National University; J.H. Kim and S.G. Jung,Hyundai Motor Company 877
•The Application of ITD Modal Test Method to the Analysis ofDynamic Characteristics of Road Vehicle Structures
Zong-An Shao Ting-Yin Jiang and Wei-Feng Zhang, XianInstitute of Highway 878
SESSION 36 LINKING ANALYSIS AND TEST IV
Dynamic Testing and Analysis of Extension-Twist-Coupled CompositeTubular Spars
R.C Lake, NASA Langley Research Center; A.P. Izadpanah, IZAdvanced Techologies; and R.M. Baucom, NASA Langley ResearchCenter 879
Error Localization Using Mode Shapes - An Application to a TwoLink Robot Arm
Randy L. Mayes, Sandia National Laboratories 886
Modal Testing and Theoretical Analysis on Large Power FoundationsLi Guihua, Jiang Jun and Tang Xiujin, Dalian University ofTechnology; and Li Bingyi, Northeast Power Designing,Institute 892
•System Identification and Localization Procedures with StructuralConnectivity Constraint
John O'Callahan and Chi-Hsing Wu, University of Lowell 897
•A General Accurate Analytical Type Solution for the Free Vibrationof Rectangular Plates Resting on Classical Edge Supports Based onthe Superposition Method: Experimental Verification
R.K. Singal, Canadian Space Agency; D.J. Gorman and S.A.Forgues, University of Ottawa 897
•An Evaluation of Some Uses of Mass OrthogonalityMohamed K. Abdelhamid, University of Maryland 897
SESSION 37 MODAL TESTING AND ANALYSIS STANDARDIZATION I
•Standardization and Modal AnalysisDouglas Muster, University of Houston 898
•Modal Data Formats for Data Transfer: StandardizationRandall J. Allemang, University of Cincinnati/SDRL 898
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•The Quality of Modal Parameters from Measured DataA.L. Wicks, Virginia Polytechnic Institute and StateUniversity 899
SESSION 38 ANALYTICAL METHODS III
A General Substructure Synthesis Method for a Free-InterfaceComponent Mode Respresentation
M.J. Smith and S.G. Hutton,- University of British Columbia 900
A Global Version of Dobson's MethodNuno M.M. Maia, Technical University of Lisbon 907
On the Driving Point Mobility Functions of Rectangular Plates inFlexural Vibration
Y.K. Koh and R.G. White, University of Southampton 912
•Evaluation of a Spatial Sine Testing Parameter Estimation AlgorithmF. Deblauwe and R.W. Rost, University of Cincinnati/SDRL; andH. Void, Structural Dynamics Research Corporation 921
•Broadband Response of Beam Trusses by Frequency Smoothing andStructural Path Analysis
A. Girard and H. Defosse, INTESPACE 921
•New Approximation of Frequency Response for Structural Synthesisand Parameter Identification
Hirokazu Miura and Mladen K. Chargin, NASA Ames ResearchCenter 921
SESSION 39 VEHICULAR II
Development of a Computer Program Package for Reduction of CarInterior Noise (I)
M.H. Sung, D.C Park and J.M. Lee, Seoul National University;J.H. Kim and S.G. Jung, Hyundai Motor Company; and S.H. Kim,Kangweon National University 922
Modal Analysis of New-B8 Bogie Frame of Railway Freight CarHonggui Cheng, Academy of Mechanical Sciences of Gansu; andZhongtao He, Lanzhou Railway Institute 929
•Complex Eigensolutions Used for Beam Structures on ElasticFoundation Loaded by Moving Nonlinear Dynamic Systems
J.C.O. Nielsen and T.J.S. Abrahamsson, Chalmers Universityof Technology 933
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SESSION 40 SPACE STRUCTURES
Modal Survey and Analysis of the ETS-VIAkio Tsujihata, National Space Development Agency of Japan;and Takashi Tsukashima, Mokoto Yoshihara and Kazuyuki Nakamura,Toshiba Corporation 934
Modal Survey of the Brazilian Launch VehicleS.H.S. Carneiro, H.S. Teixeira, Jr. and R. Pirk, Institutode Aeronautica e Espaco; and J.R.F. Arruda, UniversidadeEstadual de Campinas 941
Decentralized Vibration Control of Space StructuresDongxu Li and Kejian Zhou, Changsha Institute of Technology 948
Efficient Sensor Placement for On-Orbit Modal Identification ofof Sequentially Assembled Large Space Structures
D.C. Kammer and M.J. Triller, University of Wisconsin 953
•Advanced Modal Test and Correlation Methods Applied to the AtlasII Payload Fairing
R.D. Brillhart, W.M. Dreyer, D.L. Hunt, SDRC EngineeringServices Division, Inc.; and M. Gehringer, General DynamicsSpace System 964
•Experimental Analysis of Nonlinear Behaviour of an AerospaceStructure
H. Van der Auweraer, LMS International; and K. Wyckaert,Katholieke University of Leuven 964
SESSION 41 LINKING ANALYSIS AND TEST V
Model Updating Based on Forced Vibration Testing Using NumericallyStable Formulations
P.-0. Larsson, ABB Asea Brown Boveri; and P. Sas, KatholiekeUniversiteit Leuven 965
Model Updating in a Software Environment for StructuralOptimization
P.-0. Larsson and T. Andersson, ABB Asea Brown Boveri;T. Brama and L. Boman, SAAB-SCANIA AB 974
Review of Test/Analysis Correlation Methods and Criteria forValidation of Finite Element Models for Dynamic Analysis
Mary Baker, Structural Dynamics Research Corporation 984
Error Sensitivity of the Inverse Eigensensitivity Method forModel Updating
H. Jung and D.J. Ewins, Imperial College of Science,Technology and Medicine 991
Direct Correlation of Test-Analysis Cross-OrthogonalityP.A. Blelloch, SDRC Engineering Services Division, Inc. 998
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•Solution of the Model Correction Problem Via Inverse MethodsLadislav Starek, Slovak Technical University at Bratislava;and Daniel J. Inman, State University of New York atBuffalo 1003
•A Correlation Between Experimental and Numerical Data Appliedto Fixed Offshore Structures
T.A.P. Lopes, S.F.S. Neto, C.V. Raposo and F.A.U. Alvarado,Federal University of Rio de Janeiro 1003
SESSION 42 EXPERIMENTAL TECHNIQUES III
Design, Modelling and Verification of a Modal Survey Test Fixturefor Space Shuttle Payloads )
K. Muhlbauer, H. Troidl and S. Dillinger, Industrieanlagen-Betriebsgesellschaft mbH 1004
Experimental and Numerical Modal Analysis of a ReciprocatingCompressor Shell
V. Cossalter, M.D. Lio, University of Padova; and F. Giusto,Zanussi Elettromeccanica S.p.A. 1009
Using Experimental Modal Analysis to Evaluate the StructureBorne Noise Potential of Vibrating Panels
G.M. Goetchius and G.Vl. Hopton, Defiance-SMC 1016
Evaluation of the Dynamic Properties of a Steel Arch BridgeJean Proulx, David Hebert and Patrick Paultre, Universityof Sherbrooke , 1024
Experimental Identification of a Compressor Vane FailureJ.A. Kubiak, Institute de Investigaciones Electricas;J.M. Munoz, Comision Federal de Electricidad; andA. Carnero, Institute de Investigaciones Electricas 1031
•Experimental Modal Analysis in Offshore PlatformsMauricia Martinez and Peggy Quijada, INTEVEP, S.A. 1038
•Dynamic Analysis and Structural Modification of Engine BlockQingfo Yang, Yan Li, Changle Jia, Junbao Li and Longmei Li,Taiyua University of Technology 1038
SESSION 44 ANALYTICAL METHODS IV
Transient and Stability Analysis of Large Scale Rotor-BearingSystem with Strong Nonlinear Elements by the Mode Summation-Transfer Matrix Method
Zhiping Gu, Xian Institute of Technology 1039
XXIV
Structural Dynamic Response Analysis Using Asymptotic AnalyticalMethod
Wu Xuqiang, Hong Zhongyu and Huang Ling, Shanghai Instituteof Mechanical Engineering 104 5
•Modal Effective Mass Models in Structural DynamicsA. Girard, INTESPACE 1048
•A Direct Energy Approach for Updating Dynamic Finite ElementModels
N.A. Roy, A. Girard and P.-E. Dupuis, INTESPACE 1048
•Multi-Modal Formulation for Free Large Vibrations of BuckledPlates
R. Heuer, H. Irschik and F. Ziegler, Technical Universityof Vienna 1049
•Receptance Functions Prediction for Rotating Elastic BodiesYuan-Fang Chou and Kun-Feng Huang, National TaiwanUniversity 1049
SESSION 45 LINKING ANALYSIS AND TEST VI
A Global Updating Procedure to Improve Finite Elements ModelsA. Aiad, P. Level and Y. Ravalard, Universite deValenciennes 1050
Finite Element Analysis and Experimental Model Verification forStructures Subjected to Moving Dynamic Loads
Yih-Hwang Lin, National Taiwan Ocean University; and MartinW. Trethewey, Pennsylvania State University 1056
Localization and Correction of Errors in Analytical ModelsC.-P. Fritzen and T. Kiefer, University of Kaiserslautern 1063
•The Extended Complex Mode Indication Function in Modal ForceTechnique
A . C Y . Lin, Feng Chia University; H.C Chen, University ofCincinnati; and Y.G. Tsuei, National Cheng Kung University 1071
SESSION 46 SYSTEM IDENTIFICATION (ACTIVE CONTROL)
Identification of Model Uncertainties for Robust Control ofStructural Systems
Anning Chen and George R. Batta, University of Cincinnati 1072
Adaptive Structural Control and Isolation of Simple StructrualMembers
J.F. Schultze, R.W. Rost and I.E. Morse, University ofCincinnati/SDRL 1078
XXV
•An Experimental Study of a Number of Nonlinear SDOF SystemsUsing the Restoring Force Surface Method
K. Worden and G.R. Tomlinson, University of Manchester 1086
•A Multi-Reference Modal Parameter Identification TechniqueBased on a Weighted Least Squares Principle
Takuya Yoshimura, Tokyo Metropolitan University 1086
•Modal Order Determination in a Time Domain IdentificationAlgorithm
Paulo R.G. Kurka, Universidade Estadual de Campinas - UNICAMP 1087
•Active Vibration Control of a Beam with Accelerometer andVibrator
Jen-Yuan King, Rensheng C. Lin and Hsin-Tsrong Lee,Chung Shan Institute of Science and Technology 1087
SESSION 47 STRUCTURAL DYNAMICS MODIFICATION I
Eigensolution Reanalysis Using a Modal Reduction ProcedurePaul Conti and Sean Winterer, Structural Dynamics ResearchCorporation 1088
Structural Modification Via FRF Coupling Using Measured DataM. Imregun and D.A. Robb, Imperial College of Science,Technology and Medicine 1094
Efficient Sensitivity Analysis of Frequency Response FunctionsA. Girard, J. Chatelain and N.A. Roy, INTESPACE . 1099
The Global Improvement of Structural Analytical ModelWu Xuqiang, Zhang Lei and Zhu Jimei, Shanghai Instituteof Mechanical Engineering 1104
An Effective Solution Method for Local Modifications of DampedLinear System
Sun Zhijian, Metals & Household Electric Appliance Companyof Shanxi; Wang Xiaogang and Xu Xia, Taiyuan University ofTechnology 1107
•A Model of an L-Section Beam Containing Damage for Use in FiniteElement and Structural Dynamics Modification Applications
W.T. Springer and R.L. Boyer, University of Arkansas;A.D. Coleman and T.A. Driskell, Marshall Space Flight Center 1112
•Predicting the New Frequency Response Function of a StructureWhen Adding Constraints
Pietro Salvini, Universita di Roma "Tor Vergata"; and AldoSestieri, Universita di Roma "La Sapienza" 1112
•Consistent Modeling of Continuous Structural Dynamic ModificationsWalter D'Ambrogio, Universita di Roma "La Sapienza" 1113
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SESSION 48 PROCESSING MODAL DATA III
A Multi-Point Excitation Technique Based Upon Corrected ExcitationForces Using an Adaptive Filter
N. Tsujiuchi and T. Toi, Mitsubishi Electric Corporation 1114
Efficient Computation of the Eigensystem Realization AlgorithmLee D. Peterson, Univesity of Colorado 1121
Phase Errors in Component Mode SynthesisH. Void, A. Melo and P. Sergent, Structural Dynamics ResearchCorporation 1131
Simultaneous Determination of Model's Order and Parameters forModal Parameter Identification
Q.J. Yang, P.Q. Zhang and C.Q. Li, University of Scienceand Technology of China; and T.C. Huang, University ofWisconsin-Madison 1134
•Instantaneous Time-Varying AR Spectral Analysis for Cyclo-stationary Ramdom Processes
B.R. Silverstein and P.J. Sherman, Purdue University 1140
•Effect of Stimulus in the Quality of Frequency Response FunctionMeasurement
T. Yamaguchi, H. Takahashi, E. Eguchi, K. Enomoto andN. Arakawa, Advantest Corporation 1140
•A New Approach for Frequency Response Function EstimationFanglin Huang and Songnian Gu, Northwestern PolytechnicalUniversity . 1140
SESSION 49 ANALYTICAL METHODS V
An Iterative Method for Nonstationary Random Response Analysisof MDOF Nonlinear Systems
Tian-Shu Zhang and Tong Fang, Northwestern PolytechnicalUniversity 1141
A Method of Structural Dynamics Modification for High BuildingLihua Wen and Shangwen Wang, Northwestern PolytechnicalUniversity 1147
•Correlation of Finite Element Models Using Mode Shape DesignSensitivity
Christopher C Flanigan, SDRC Engineering Services Division,Inc. 1151
•The Modal Strain, RDOFs and the Graphics Method of SensitivityAnalysis for Modal Parameters
Tian Jifang, Tsinghua University 1151
XXVI1
•Impact Response Analysis of Multi-Body SystemsShijin Zhu, Nanjing Aeronautical Institute 1151
SESSION 50 STRUCTURAL DYNAMIC MODIFICATION II
System Dynamics Simulation Based on Structural ModificationAnalysis Using Response Techniques
T.C. Lim and G.C. Steyer, Structural Dynamics ResearchCorporation 1152
Active Dynamic Modification of Flexible StructuresR.A. Burdisso and C.R. Fuller, Virginia Polytechnic Instituteand State University 1158
Modal Reanalysis with Improvement of Initial Modelization - ANew Development in Structural Modification
Y. Gallo, P. Level and Y. Ravalard, University of Valenciennes 1166
Modal Analysis and Structural Dynamic Modification of a ParcelSorting Machine Frame
Liangping Shi and Jun Du, Beijing University of Posts andTelecomms; and Debao Li, Tsinghua University 1172
•Modal Energy Gradient Method for Updating Structural DesignParameters
De-Wen Zhang, Beijing Institute of Structure and EnvironmentEngineering; Fu-Shang Wei, Kaman Aerospace Corporation; andZhi-Ming Gong, Beijing Institute of Structure and EnvironmentEngineering . 1178
•An Efficient Technique for Optimal Design Changes to FEM ofStructural Dynamic Systems
S. Jonas, University of Stuttgart; and G.A. Pierce, GeorgiaInstitute of Technology 1178
•Modal Modifications of Dynamic Mechanical Structure Using DynamicStiffness and Transfer Matrix Concepts
R.K. Srivastava, M.N.R. Engineering College; and T.K. Kundra,Indian Institute of Technology 1179
SESSION 51 PROCESSING MODAL DATA IV
Operating Deflection Shapes a Fast Developing TechniqueSteen Johansen and Kaj Dam Madsen, Danish TechnologicalInstitute 1180
Response Prediction of a Base-Excited System Using ConventionalModal Parameters
Kyohei Hirai and Akira Aoyagi, Toshiba Corporation 1188
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Fourier Eigen Transform (FET) and Its Recent DevelopmentH. Xu and Y.N. Gao, Xi'an Jiaotong University 1192
An Approach for Multipath Time Delay Estimation by Higher OrderSpectrum
Fanglin Huang and Songnian Gu, Northwestern PolytechnicalUniversity 1199
SESSION 52 MODAL TEST METHODS III
Automated Selection of Accelerometer Locations for Modal SurveyTests
C.C. Flanigan and CD. Botos, SDRC Engineering ServicesDivision, Inc. 1204
Modal Testing Using Natural ExcitationG.H. James, III, T.G. Carne, J.P. Lauffer and A.R. Nord,Sandia National Laboratories 1208
A Practical Way of Using Principal Response Analysis to GenerateOperating Shapes
S.D. Tucker and H. Void, Structural Dynamics ResearchCorporation 1216
Identification of a Modal Model Utilizing a Perturbed BoundaryCondition Test Method
P.S. Barney, M. St. Pierre and D.L. Brown, University ofCincinnati 1220
Strain Mode Identification of the Frame of a CoachZhang Yuanyun, Wang Bo and Li Debao, Tsinghua University 1231
•Identification of Non-Linearity Joints from Dynamical TestsF. Thouverez and L. Jezequel, Ecole Centrale de Lyon 1235
•Dynamic Response of Structural Elements Excited AcousticallyHsin-Tsrong Lee and Tien-Shan Hsueh, Chung Shan Instituteof Science and Technology 1235
•Comparison of Multi-Point Vibration Test MethodsK. Alexiou, CASA, Division Espacio; and J.R. Wright,University of Manchester 1235
SESSION 53 SEISMIC II
A Study on the Operating Shapes for Nondestructive Evaluation inGeotechnical Engineering
X. Sun and H.R. Hardy, Jr., Pennsylvania State University 1236
XXV1X
Responses of the Multi-Story Frame on the Piles Foundation toHorizontal Earthquake
Cheng Guosheng, Shenyang Architectural Engineering College;Liu Shaoquan, Shenyang Institute of Technology; and Wang Deshan,Liaoning Architectural Staff and Workers College 1244
Seismic Analysis of Multiply Supported MDOF Secondary SystemsJianlin Zhang and Shangwen Wang, Northwestern PolytechnicalUniversity 1248
Nonstationary Response of MDOF Linear System Under MultipleSupport Multi-Modulated Multi-Correlated Random Excitations
Hong-Jun Wang and Tong Fang, Northwestern PolytechnicalUniversity 1253
•Modification by Modal Force TechniqueA.C.Y. Lin, Feng Chia University; and Y.G. Tsuei, NationalCheng Kung University 1257
•Comparative Study of the Dynamic Response of Solid and SlicedRigid Bodies
G.C. Manos and M. Demosthenous, Aristotle University 1257
•Study of the Dynamic Characteristics of Model Frame StructureUtilizing an Earthquake Simulator Facility
G.C. Manos, D. Mpoufidis and M. Dimosthenous, AristotleUniversity 1258
SESSION 54 LINKING ANALYSIS AND TEST VII
Identification of Mechanical Joint Parameters from Incomplete FRFSKyung-Taek Yang, Daelim Industrial Co., Ltd.; and Youn-sik Park,Korea Advanced Institute of Science and Technology 1259
A New Approach to Update Model Parameters Using the FrequencyResponse Data
N.G. Nalitolela, University of Dar Es Salaam 1266
Material Identification of Composite Structures from the CombinedUse of Finite Element Analysis and Experimental Modal Analysis
Eddy Dascotte, Dynamic Engineering 1273
The Influence of Fixtures and Fittings on the Modal Properties ofa Double-Decker Coach
B. Marguet, CIMT GEC Alsthom; D. Rouckhaut, University ofValenciennes; M. Sausset, SNCF; and Y. Ravalard, Universityof Valenciennes 1280
Dynamic Properties Characterization of a Ball Screw Based ToolUnit Family
G. Franceschini, Universita di Perguia; G. Galeotti, OfficineGalileo S.p.a.; and P. Toni, Universita di Firenze 1287
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SESSION 55 MODAL TEST METHODS IV
On System Order Determination for Modal TestingZ. Liang, M. Tong and G.C. Lee, State University of New Yorkat Buffalo
On the Non-Proportionality of Generally Damped SystemsM. Tong, Z. Liang and G.C Lee, State University of New Yorkat Buffalo
The Interaction of Force Transducers with Their Test EnvironmentK.G. McConnell, Iowa State University
SESSION 56 NON LINEAR STRUCTURES III
Characterizing an Automotive Shock Absorber and the Dependence onthe Temperature
C. Surace, Politecnico di Torino; D.M. Storer and G.R.Tomlinson, University of Manchester 1316
Experimental Evaluation of Normal Mode Force Appropriation MethodsUsing a Rectangular Plate
J.E. Cooper, M.J. Hamilton and J.R. Wright, University ofManchester 1326
Physical Parameter Identification of Distributed SystemsY.C. Liang and J.E. Cooper, University of Manchester 1333
Experimental Rigs for Studying a Class of Structural NonlinearitiesG.R. Tomlinson, University of Manchester 1340
SESSION 57 EXPERIMENTAL TECHNIQUES IV
A Practical Application of Operating ShapeJ.-H. Pan, Structural Dynamics Research Laboratory; H. Void,Structural Dynamics Research Corporation; and R.J. Allemang,Structural Dynamics Research Laboratory 1351
Modal Analysis as a Bridge Inspection ToolS. Alampalli, G. Fu and I.A. Aziz, New York State Departmentof Transportation 1358
Modal Reduction of Vibrations by Dynamic Neutralizers: AGeneralized Approach
J.J. de Espindola and H.P. Silva, University of SantaCatarina 1366
Force Transducer Mass Compensation Can Cause Large FRF Errors atResonance
X. Hu and K.G. McConnell, Iowa State University 1373
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Classification of Diagnostic Machinery Vibration With OperationalShapes Analysis
H.A. Gaberson and P.L. Stone, Naval Civil EngineeringLaboratory 1380
•An Experiment Technique for Determining Complex Structural FrequencyResponse Functions in High Ambient Temperature
Y. Heji and W. Ning, Northeast University of Technology 1387
ADDENDUM(Papers listed in the Addendum are ones which were submittedafter the printer's deadline. Therefore, these papers couldnot be listed under the appropriate session titles.)
Transient Response of Accelerating Rotor SystemP.S. Heyns and E. Starker, University of Pretoria (Session 32) 1388
A Comparison of Global MDOF and Local SDOF Curve-Fitting Algorithmsfor the Identification of Close Modes
D.A. Robb and M. Imregun, Imperial College of Science,Technology and Medicine (Session 9) 1392
Operational Analysis and Problem Identification of a HighPerformance Racing Engine
F. Neyrinck and W. Bakkers, LMS International; P. Pallottiand B. Piombo, Politecnico di Torino; M. Parodi, LMS Italiana;and G. Turino, FIAT Research Center - CRF (Session 32) 1398
Effect of Incompleteness and Noise on Error Matrix CalculationsN.A.J. Lieven, University of Bristol; and D.J. Ewins, ImperialCollege of Science, Technology and Medicine (Session 24) 1405
A Proposal for Standard Notation and Terminology in Modal AnalysisN.A.J. Lieven, University of Bristol; and D.J. Ewins, ImperialCollege of Science, Technology and Medicine (Session 37) 1413
Experimental and Theoretical Modal Analysis of a Braced TowerM.A. Haroun, University of California - Irvine; and S.A.Mourad, Cairo University (Session 53) 1419
A Technique for Correction of Dynamic Model from Finite ElementMethod
Cheng Yaodong, Yao Sisong and Qi Jing, Zhejiang University(Session 33) 1425
Using the Imaginary-Part of FRF for Modal Identification andIRF Estimation
Xu Kequin, Zhejiang University (Session 51) 1430
On Exponential Mapping for Modal AnalysisD. Afolabi, Purdue University; and B. Alabi, Universityof Ibadan (Session 1) 1437
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Corrugation on Wheels and Modal Analysis of a Carrying Bogie onParis Subway Rollingstock
D. Bonnecase and P. Dorey, Dataid ASI; and M. Colline, RegieAutonome Des Transports Parisients (RATP) (Session 54) 1444
Multiple Input Excitation Methods for the C-17 Transport AircraftGVT
R.D. Brillhart and D.L. Hunt, SDRC Engineering ServicesDivision, Inc.; and H. Chimerine, McDonnell DouglasCorporation (Session 7) 1450
New Method Constructed Modal Parameters CurvesLisheng Yu, Hangzhou Institute of Electronic Engineering;and Shaohua Zhang, Zhejiang University (Session 51) 1451
Asterisk (•) Indicates an IMAC-IX Abstract.
XXXI11
