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Proceedingsof the
III I III II IMI II I AIII IC
InternationalModalAnalysisConference
8th InternationalModal Analysis
Conference
January 29 - February 1,1990
Hyatt OrlandoKissimmee, Florida
UNIVERSITATSBIBUOTHEKHANNOVER
TECHNI3CHEINFORMATIONSB1BUOTHEK
Directors:Dominick J. DeMichele
Union CollegeDr. Arnold E. S. Gussin, Dean, Graduate & Continuing StudiesRae D'Amelio, Administrator
Society for Experimental Mechanics, Inc.Kenneth A. Galione, Managing Director
Volume 2
Sponsored By:UNION COLLEGESchenectady, N.Y. 12308
Society for Experimental Mechanics, Inc.
T A B L E O F C O N T E N T S
PAGE NO.
GENERAL SESSION
Identification Challenges For Large Space Structures xv-xxiiiR. S. Pappa
SESSION 1. EXPERIMENTAL CASE HISTORIES I
Upgrade Of Modal Test Facility For Dynamic Testing Of Spacecraft Structures 1-7C. R. Voorhees
Experimental And Theoretical Study On Damped Joints In Truss Structure 8-14S. Sekimoto, F. Kuwao, H. Mitsuma, A. Tsujihata
Correlation Between Subjective And Objective Measurements Of Steering Column Shake 15-21To Determine Design Specifications For The Steering Column Structure
T. A. Mouch, C. J. Jarocki
SESSION 2. ANALYTICAL METHODS I
A Generalised Reduction Method For Modal Testing 22-27A. Urgueira, N. A. J. Lieven, D. J. Ewins
Mathematical Base Of Random Decrement Technique 28-34J. C. S. Yang, G. Z. Qi, C.-D. Kan
Physical Interpretation And Application Of A Component Modal Synthesis 35-42Technique (Modal Force Method)
Y. G. Tsuei, E. K. L. Yee, A. C. Y. Lin
SESSION 3. STRUCTURAL DYNAMICS MODIFICATION I
Understanding Structural Dynamics Modification Truncation 43-54P. Avitabile, J. O'Callahan, F. Pechinsky
Dynamic Analysis Of Continuous Beams With Singularities In Mass And 55-61Stiffness Distribution
M. Abdel-Mooty, J. Roorda
SESSION 4. LINKING ANALYSIS AND TEST I
Model Improvement By Using Substructure Modal Testing Results—Case Study 62-66C. Minas, D. J. Inman
Modal Analysis Of A Robot Arm Using Finite Element Analysis And Modal Testing 67-70S. C. Kolhatkar, R. G. Budynas
Space Shuttle Payload Trunnion Interface Verification Test And Correlation 71-76Fixed Based Responses
M. A. Blair, N. Vadlamudi
SESSION 5. PROCESSING MODAL DATA I
Effects Of Truncation Of Modes On Eigenvalue Modification 77-82D. Ragnitz, V. W. Snyder
Quality Assurance Of An Automatic, Quasi-Real-Time Modal Analysis System 83-89Y. W. Luk, J. Z. Qu
Computer Simulation Of Torsional Waves In Nonhomogeneous Multi Mass Drive Systems 90-94A. Mioduchowski, G. M. Faulkner
SESSION 6. MODAL TEST METHODS I
An Experimental Modal Testing/Identification Technique For Personal Computer 95-101M. J. Roemer, S. T. Schlonski, D. J. Mook
Enhancement Of Modal Swept Sine Data By Control Of Exciting Forces 102-108G. C. Foss
Experimental Modal Testing And Analysis Of Continuously Supported Structures 109-114M. R. Chowdhury
SESSION 7. SYSTEM IDENTIFICATION I
On Predicting And Improving The Condition Of Modal-Model-Based Indirect Force 115-120Measurement Algorithms
J. M. Starkey, M. Hansen
The High-Frequency Behaviour Of Frequency Response Functions And Its Effect 121-130On Their Hilbert Transforms
K. Worden, G. R. Tomlinson
A Time Domain Method For Experimental Determination Of The Impulse Response 131-135Function
M. Archibald, A. L. Wicks
Sequential Modification Of Dynamic Characteristics For Complex Structures 136-139J. Hou, Z. Feng, C. Fang
Some Considerations In The Dynamic Modification Of Large Complicated Structures 140-144R. Zhu, Z. D. Xu, K. Chen
SESSION 8. MODAL TECHNIQUES FOR ROTATING MACHINERY I
The Use Of Piezoelectric Actuators For Active Vibration Suppression In 145-147Rotating Machinery
A. B. Palazzolo, R. R. Lin, A. F. Kascak, G. Montague
A New Modal Test Theory In Rotating Machinery 148-154C.-W. Lee
Modal Analysis Of Rotating Elastic Structures 155-160C. Surace, G. Surace
Large-Amplitude Oscillations Of A Spinning Disk—Experimental Investigation 161-167M. Swaminadham
Effect Of The Differential Boundary Condition On Non-Synchronous Resonance 168-172In The Modal Synthesis Method
Z. Gu, J. Gao
SESSION 9. LINKING ANALYSIS AND TEST II
Practical Application Of The UA Model Updating Scheme 173-179T. Janter, W. Heylen, P. Sas
Parametric Updating Of Finite Element Model Using Experimental Simulation-- 180-186A Dynamic Reaction Approach
H. Berger, R. Ohayon, L. Barthe, J. P. Chaquin
An Approach To The Reconciliation Of Finite Element And Modal Test Studies 187-194M. Nash
Comparison Of Expansion Methods For FE Modeling Error Localization 195-204H. Gysin
Investigation Into Exact Normalization Of Incomplete Complex Modes By 205-212Decomposition Transformation
S. R. Ibrahim, U. Fullekrug
SESSION 10. SUBSTRUCTURING I
Coupling Of Structures Using Measured FRF's By Means Of SVD-Based Data 213-220Reduction Techniques
D. Otte, J. Leuridan, H. Grangier, R. Aquilina
Use Of Mode Orthogonal ization And Modal Damping In Flexible Multibody Dynamics 221-2280. Friberg, V. Karhu
Dynamic Analysis Technique Of Centrifugal Impeller With Split Blades 229-233J. Zhang, W.-L. Wang, X.-J. Chen
Impulse Test Truncation And Exponential Window Effects On Spectral And 234-240Modal Parameters
M. W. Trethewey, J. A. Cafeo
Sensitivity Analysis Of Robot Modal Properties Using Low-Order Component Mode 241-247Synthesis
D. A. Johnson, C. W. Jen
Case Study Of The Comparisons Of Modal Force Method And Modal Modeling In 248-254Modal Synthesis
A. C. Y. Lin, E. K. L. Yee, Y. S. Gu, Y. G. Tsuei
Combined Modal Synthesis Techniques And Residual Flexibility For Large 255-262Structures
M. Elnomrossy
SESSION 11. NOISE/ACOUSTICS TOPICS
Prediction Of Acoustic Power Using Modal Analysis: A Case Study On A Plate 263-269Treated With Constrained Layer Damping
D. Battazzo, 0. McDaniel
Acoustic Sensitivity Analysis Based On The Results Of Acoustic Modal Testing 270-274N. Okubo, K. Masuda
Acoustical Emission Control Of Metal Plates Using Modal Analysis To Distribute 275-278Visco-Elastic Materials
L. Garibaldi, B. Piombo, G. L. Liu
An Analytical Calculation Method Of Acoustic Radiation From A Clamped Layered 279-285Circular Plate Contacting With Inviscid Fluid
Y.-S. Park, H.-K. Lee
A Method Of Reducing Structural Noise Through By Changing Modal Bending 286-289Strain Energy
J. X. Huang
SESSION 12. EXPERIMENTAL TECHNIQUES I
An Analysis Of The Monophase Operating Shapes Of A Highly-Damped Structure 290-294J.-H. Pan, R. Allemang, H. Void
An Identification Technique For Operating-Modes On A Loudspeaker Cabinet Applied 295-3060. Dossing
Operating Shape Estimation As A Function Of Dynamic Loads 307-312J.-H. Pan, R. Allemang, H. Void
Characterization Of Power Flow In A Frame Structure 313-321J. P. DeClerck, D. E. Soine, C. Van Karsen, H. A. Evensen
Modal Test Of A Large Spacecraft Using A Mass Loaded Interface 322-328J. Haughton, J. Hauser, L. Turner
A Logical Means Of Controlling An Enormous Amount Of Data--250 Points, 329-3333 Inputs, No Problem!
T. A. Mouch
IV
SESSION 13. NONLINEAR STRUCTURES I
Non-Linear Modal Synthesis In Frequency Domain 334-340L. Jezequel, H. D. Setio, S. Setio
Analysis Of Nonlinear Systems Using ARMA Models 341-347N. F. Hunter, Jr.
Parameter Identification Of Nonlinear System In The Frequency Domain 348-351J. Tang
Using Multiple Input/Output Analysis To Estimate Parameters Of Linear 352-357Systems With Additional Nonlinear Components
D. F. Bella, G. C. Pardoen
On The Location Of Structural Nonlinearity From Modal Testing--A 358-364Feasibility Study
R. M. Lin, D. J. Ewins
SESSION 14. PROCESSING MODAL DATA II
Force Determination With Slope And Strain Response Measurement 365-372M.-C. Han, A. L. Wicks
Selective Vibration Parameters Identification Method 373-375G. Zheng, W. Huang, C. Shao
A Spatial Curve Fitting Technique For Estimating Rotational Degrees Of Freedom 376-381E. J. Williams, J. S. Green
Application Of A Multidimensional ARMA Model To Modal Analysis Under Natural 382-388Excitation
D. Bonnecase, M. Prevosto, A. Benveniste
SESSION 15. MODELING STRUCTURES I
Using Experimental Normal Modes For Analytical Model Updating 389-396M. Brughmans, F. Lembregts
Vibration And Wave Propagation Characteristics Of Multisegmented Elastic Beams 397-402A. N. Nayfeh, M. A. Hawwa
Hybridization Of Finite Element Method With Experimental Modal Analysis And 403-406Its Application In Modeling Of Structure
K. Li, Z. Xu
SESSION 16. ANALYTICAL METHODS II
A Global Partial Fraction Curve Fitting Using Frequency Response Functions 407-412G. L. Liu, L. Garibaldi
Operational Deflection Shapes In Multisource Environments 413-421D. Otte, P. Van de Ponseele, J. Leuridan
Comparison Of Reduced Model Concepts 422-430J. O'Callahan
An Analytical Model Of Dynamic Characteristics For Fluid-Filled Tanks With 431-434A Flexible Bottom Plate
L. Bo
SESSION 17. MODAL TECHNIQUES FOR ROTATING MACHINERY II
On Measuring Frequency Response Functions And Modal Parameter Identification On 435-444Rotating Discs
P. Ebersbach, H. Irretier
Experimental And Analytical Study Of Shaft Cracking Response In Rotatory Machines 445-450L. A. San Juan, P. Saavedra
Asymmetry Of A Mode That Is Considered To Be Symmetrical 451-454W. G. Brown, D. R. Morrison
Prohl Transfer Matrix-Newmark Formulation Integration Method For Rotor Dynamics 455-459Z. Gu, S. Chen
SESSION 18. SEISMIC TOPICS
Multiple-Fracture Configurations Of A Beam Column Subject To Earthquake 460-467Y.-M. Lu, F. D. Ju
Analysis Of Liquid And Helical Spring Shock Isolation Systems Used To Isolate 468-473An Underground Structure
M. L. Wang, D. L. Swanson
Effect Of Void Ratio On Dynamic Soil Properties Using An Improved FFT Technique 474-478F. Amini
Modal Response Of Earth Retaining Structures 479-486
A.-W. Elgamal, P. Van Laak, S. Alampalli
SESSION 19. ANALYTICAL METHODS III
Modal Filter: Concept And Applications 487-496Q. Zhang, R. J. Allemang, D. L. Brown
Evaluation Methods Of Reduced Models 497-503M. K. Abdelhamid, S.-S. Chiang
Stationary Response To Multi-Correlated Filtered Noise Excitation 504-508Z. N. Wang, T. Fang, T. S. Zhang
Steady State Vibration Of Oscillators With Motion Limiting Constraints 509-514S. Natsiavas
Approach To Model Damping In Structural Analysis 515-521F. Kuster, Hp. Gysin
Finite Element Analysis Of Free Vibrations Of Laminated Composite Plates 522-529M. J. Kim, A. Gupta
SESSION 20. SYSTEM IDENTIFICATION II
The Identification Of The Nonlinear Dynamical Behaviour Of A Flexible Robot Link 530-539K. Wyckaert, P. Vanherck, P. Sas, H. Van Brussel
Comparison Of Time Domain Modal Identification Methods 540-546B. Bagus, L. Jezequel
Identification Of Physical Parameters Of A Mechanical Structure From Time 547-553Domain Data
N. Zhang, S. Hayama
Efficient Solution of 111-Conditioned Equations Arising In System Identification 554-558I. U. Ojalvo
Establishment Of Flow-Induced Vibration Prediction Model Of The Beam And 559-564Exciting Force Identification
D. Li, H. Zhuge, M. Su, Y. Zhang, B. Sun
Complete Identification Of Physical Parameters Of Linear Structure 565-569K. Li, Z. Xu
SESSION 21. LINKING ANALYSIS AND TEST III
Identification And Correction Of Errors In Analytical Models Using Test 570-578Data--Theoretical And Practical Bounds
M. Link
VI
Localization Methods For Parametric Updating Of Finite Element Models 579-585G. Lallement, J. Piranda
Updating A Finite-Element Model By Means Of Normal Mode Parameters 586-592N. Niedbal, E. Klusowski, W. Luber
Error Localization And Mathematical Model Updating At FSS And The NLR 593-597A. de Boer, M. H. M. Ellenbroek, J. J. Wijker
Application Of Sensitivity Methods For Error Localization In Finite 598-604Element Systems
W. Luber, A. Lotze
Expansion Of Modal Data For Correlation 605-609
N. A. J. Lieven, D. J. Ewins
SESSION 22. FINITE ELEMENT ANALYSIS I
A Finite-Element Approach To Composite Panel Flutter 610-616C. Surace, G. Surace
Finite Element Studies Of Single Cavity Acoustic Absorbers 617-621R. W. Harrison
Eigensensitivity Analysis For Space Structures 622-628J. W. Hou, S. P. Kenny
On The Performance Of Various Beam Mass Matrices 629-637K.-J. Young, L. D. Mitchell, J. B. Kosmatka
Fundamental Natural Frequencies For Plane Frames Supported By Elastic 638-644Foundation
A. I. M. Aljanabi, F. A. Alshawi, B. J. M. Farid
Study On Estimation Methods Of Floor Structure Vibration—Vibrational 645-651Characteristics Of Orthogonal Anisotropic Floor Structures
T. Abe, T. Hiromatsu, H. Kushida
SESSION 23. MODAL TEST METHODS II
Detection And Location Of Structural Cracks Using FRF Measurements 652-657M. A. Mannan, M. H. Richardson
Reflections On Some SDOF Modal Analysis Methods 658-666N. M. M. Maia
Comparison Of Modal Analysis Measurements With Microphone And Accelerometer On 667-672Hammer-Impacted Structures
G. Bissinger, M. R. Chowdhury
Avoiding Stinger Rod Resonance Effects On Small Structures 673-678I. A. Anderson
Using Time-Averaged Modal Excitation To Determine The Rotor Dynamic Bearing 679-684Coefficients Of Centrifugal Pumps
C.-W. Jen, W. D. Marscher
Dynamical Tests Of A Bearing Assembly And Nonlinear Analysis 685-689
X. Ma, J. Yuan, P. Liu
SESSION 24. MODELING STRUCTURES 1
The Random Structural Response Of A MDF System With Stiffness And 690-696Strength Degradation
S.-L. Lu, F. D. JuLinear And Non-Linear Dynamic Models Of A Geared Rotor-Bearing System 697-703
A. Kahraman, R. Singh
VII
Force And Moment Transmissibilities Through Rolling Element Bearings In A 704-710Single-Stage Rotor System
T. C. Lim, R. Singh
Modeling The Dynamic Characteristics Of Universal Tool Milling Machine 711-717And Design Optimization
B. Liao, Y. Liao, S. Wang
Modeling Procedure Of Analysis And Test Of Automobile Dynamics 718-724Z. Hu, W. Sha, S. Cheng
Dynamic Modeling Of Mistuned Bladed Disk Assemblies 725-730Z. Zeng, Y. Li
Dynamical Modeling Of Stator Winding End Baskets Of Large Turbo-Generator 731-734J. Zhu, Y. Wang
SESSION 25. SPACE STRUCTURES I
Modeling And Tachometer Feedback In The Control Of An Experimental Single 735-740Link Flexible Structure
E. Garcia, D. J. Inman
Dynamic Investigations On Satellite Tank Structures Filled With Liquid 741-749E. Hornung, S. Dieker, H. Wenz
Employment Of Combined Finite Difference Finite Element Methods For The 750-759Analysis Of Thermal Problems In Spacecraft Structurer
E. Fissette, M. Vidussoni, M. Klein, 0. Brunner, C. Stavrinidis
SESSION 26. ANALYTICAL METHODS IV
An Efficient Method For Forced Nonlinear Response Using A Structural Dynamic 760-768Modification Technique
P. Avitabile, J.n O'Callahan
Error Location And Updating Of Finite Element Models Using Singular 769-773Value Decomposition
N. A. J. Lieven, D. J. Ewins
Sensitivity Of Spatial Strain Distribution To Modal Parameters 774-779D. Vandepitte, P. Sas
Step-By-Step Perturbation Method For Reanalysis Of Linear Generalized 780-783Eigenvalue Problem
Z. Feng, Z. Lu
Modal Analysis Problems In The Nonuniform Inertial Field 784-787Y. Lu, B. Wang
SESSION 27. SYSTEM IDENTIFICATION III
Free Body Structural System Identification Using Constrained Test Data 788-791A. Berman
An Unifying Approach For Modal Identification Using The Prediction Error Method 792-797C. F. Cremona, J. A. Brandon
Sensitivity Of Model Parameters To Data Perturbations 798-808H. Van der Auweraer, H. Van Dessel
System Identification From Output Measurements 809-813A. Rytter, J. L. Jensen, L. P. Hansen
Identification Of Physical Parameters Of Vibration System By Means Of 814-818Solving Inverse Eigenvalue Problems
J. Zhang, Z. Chen
An Efficient Identification Method Of Modal Parameters--ARMAV Model Method 819-826P. Q. Zhang, Q. J. Yang, C. Q. Li, T. C. Huang
Vlll
SESSION 28. LINKING ANALYSIS AND TEST IV
Modeling Of A Precision Drilling Machine With A Moving Load Finite Element 827-832Model And Experimental Modal Data
Y.-H. Lin, M. W. Trethewey, J. R. Rieker
On The Influences Of The Branch Pipe In The Pipe System Upon The Air Column 833-835Resonant Frequencies
W. Zheng, Z. Zheng
Updating Structural Parameters Of A Finite Element Model By Adding Mass Or 836-842Stiffness To The System
N. G. Nalitolela, J. E. T. Penny, M. I. Friswell
Updating Model Parameters Directly From Frequency Response Function Data 843-849M. I. Friswell, J. E. T. Penny
SESSION 29. VEHICULAR
Using Real Time Animation And Experimental Modal Analysis To Influence The 850-856Design Of An Automotive Door Based Upon Durability Requirements
T. A. Mouch, W. D. Myers
Light Truck Body Mount Parameter Reanalysis 857-863J. C. Caris, S. D. Gray, J. M. Starkey
Theoretical And Experimental Study Of The Influence Of Furniture Elements 864-870On The Modal Properties Of An Underground Vehicle
B. Marguet, P. Level, Y. Ravalard, J. Oudin
Modal Analysis Of V-6 Engine Using In-Situ Impulse Test Data 871-877S. M. Pandit, Z. Hu, P. A. Schilke
Further Study On Modal Analysis About Vehicle Frame 878-883
W. Li, F. Liu, F. Li
SESSION 30. FUNDAMENTALS OF MODAL ANALYSIS
Errors In Using Force Transducers 884-890K. G. McConnell
Complex Modes: A Review 891-899L. D. Mitchell
Considerations In Accelerometer Application To Modal Analysis 900-904P. L. Walter
An Introduction To Shaker Shock Simulations 905-911J. D. Rogers
SESSION 31. SPACE STRUCTURES II
Modal Test And Correlation Of The Commercial Titan Dual Payload Carrier 912-918R. D. Brillhart, A. M. Freed, D. L. HuntT. L. Chism
Development And Implementation Of A Shuttle Modal Inspection System 919-925D. L. Hunt, T. A. Dunlap, S. P. Weiss, W. M. West
Simulation Of On-Orbit Modal Tests Of Large Space Structures 926-932P. Blelloch, C. Engelhardt, D. L. Hunt
Combined High Level Acoustic And Mechanical Vibration Testing and Analysis 933-939J. Haughton, A. Salzberg
SESSION 32. STRUCTURAL DYNAMICS MODIFICATION II
Predicting The Effect Of Structural Modification: Upper And Lower Bounds Due 940-945To Modal Truncation
S. G. Braun, Y. M. Ram
Optimization Of Structural Redesign With Dynamic Constraints 946-953W. Wang, Q. Zhang, R. J. Allemang, D. L. Brown
Sensitivity Analysis Of Structural Random Response Functions 954-960N. A. Roy, A. Girard, L. P. Bugeat
A Criterion For The Localization Of Structural Modification Sites Using 961-967Modal Data
W. M. To, R. M. Lin, D. J. Ewins
Inverse Weighted Residue Method And Its Application To Model Correction 968-971D.-W. Zhang, L.-C. Zhao
Using Experimental Modal Analysis To A Shell Structural Dynamic Modification 972-978A.-Q. Liu, J. Du, D.-B. Li
SESSION 33. PROCESSING MODAL DATA III
Measurement Of Dynamic Deformation During Operation Using The Principal Component 979-983Analysis On Response Data
N. Okubo, K. Imamura
Improved Modal Parameter Estimation With Variance Weighting 984-987M.-C. Han, A. L. Wicks
Multiple Integral Model For The Time-Domain Modal Parameter Identification 988-991B. Zheng, W. Huang, C. Shao
Graphics: Key To The Usefulness Of Structural Dynamics Technology 992-998C. H. Staker
Removal Of Harmonic Peaks From Frequency Response Functions Of Rotating Systems 999-1004L. T. Charek, G. D. Shteinhauz
SESSION 34. LINKING ANALYSIS AND TEST V
Test Analysis And Correlation For An Advanced Composite Stiffened Cylinder 1005-1011I. U. Ojalvo, T. Ting, D. Pilon, W. Twomey, T. L. C. Chen
Improvement Of A Finite Element Model By Means Of Measured Natural Frequencies 1012-1019F. Steinwender, R. Nordmann
A Comparison Of Some Methods Of Modal Parameter Extraction 1020-1025W. F. Tsang, C. Williams
Power Input Analysis In The Study Of Large Cylindrical Shell's Cutting Noise 1026-1031J. Zhang, C. H. Ku
Practical Applications Of Finite Element Model Tuning Using Experimental 1032-1037Modal Data
E. Dascotte
SESSION 35. DAMPING
Vibration And Damping Analysis Of Board Used For Printed Circuits 1038-1040A. Gupta, J. Crovetto, M. J. Kim
Identification Of Light Damping In Structures 1041-1047J. L. Jensen, R. Brincker, A. Rytter
On The Complex Damping Of MDOF Systems 1048-1055Z. Liang, G. C. Lee
Digital Filter Techniques Vs. FFT Techniqes For Damping Measurements 1056-1064S. Gade, H. Herlufsen
Analysis Of The Damping Of Liquid Sloshing In Cylinderical Tanks 1065-1067L. Bo
Suppression Of Residual Vibrations In Motor-Driven Arm Systems By 1068-1073Dynamic Damper
K.-J. Kim, D.-H. Cho
SESSION 36. EXPERIMENTAL CASE HISTORIES II
Modelling Gear Box Rattling Noise 1074-1079P. Solfrank,
Mechanical Mobility Of Elastomer Isolators Boundary Element Calculation 1080-1086And Measurement
L. Gaul
Improvement Of Final Drive Gear Noise By Structural Modification Of The Gear 1087-1092Housing And Drive Shaft
M. Kondo, M. Ishihama, A. Kinoshita, H. Aoki, A. Kawaguchi
Geometric Stiffness Influence In Linearized Flexible Multibody Systems 1093-11000. Wallrapp
SESSION 37. STRUCTURAL DYNAMICS MODIFICATION IV
The Characteristics Of Frequency Response Function Estimators Using 1101-1107Random Excitation
W. M. To, D. J. Ewins
On The Use Of Modal Analysis For Crack Identification 1108-1115J. M. Montalvao e Silva, A. J. M. Araujo Gomes
Estimation Of Rigid Body Modes And Support Properties 1116-1121Q. Zeng, L. Zhang
Mechanical Structural Dynamics Modification And Sensitivity Analysis 1122-1126M. Zheng, X. Liu
Simultaneous Structural Dynamics Modifications By Viscoelastic Damping 1127-1132X. Wang, C. H. Ku
SESSION 38. ANALYTICAL METHODS V
Elimination Of Rigid Body Modes From Asymmetric Dynamical Systems 1133-1139S. Natsiavas, H. D. Nelson
Restoring Force Method And Response Estimation 1140-1145E. G. Endebrock
The Method Of Finite Element In The Rotor Dynamics 1146-1150J. Gao, X. Zhu
Experimental Modal Analysis To Machine Tool Using Relative Pseudorandom 1151-1157Exciting Method
Z. M. Chen
Effect Of Backlash On Vibration Spectrum In Spur Gear Boxes Incorporating 1158-1164Ball Bearings With Radial Clearance
F. M. A. El-Saeidy
Coupling Effects Of Rigidity And Flexibility In A Chain System 1165-1168X. Ma, C. Shao, W. Huang, Z. Zou
SESSION 39. LINKING ANALYSIS AND TEST VI
Updating Mechanical Joint Properties Based On Experimentally Determined 1169-1175Modal Parameters
S. H. S. Carneiro, J. R. F. Arruda
Direct Update Of A Generalized Model Using Test Data 1176-1179S. J. Guo, N. G. Hemingway, N. D. Cogger
XI
Determination Of Analytical Model Differences Using Modal Updating 1180-1189J. O'Callahan
Experimental Verification Of The Theoretically Estimated Rotational Entries 1190-1194Of Mode Shapes
C. Minas, D. J. Inman
Finite Element Model Updating Using Frequency Response Functions And Component 1195-1201Mode Synthesis
J. M. C. dos Santos, J. R. de F. Arruda
Theoretical And Experimental Study On The Dynamic Characteristics Of Coil End 1202-1205Basket Of Large Generator's Stator
Y. Wang, J. Zhu
A Method Of Identifying Physical Parameters Of Substructures 1206-1208
D. Yu, J. Song, Z. Peng, Y. Xu
SESSION 40. EXCITATION METHODS
Modal Testing Using Modern Sine Excitation 1209-1213D. L. Hunt, H. Void, R. Williams
An Enhanced Sine Dwell Method As Applied To The Galileo Core Structure 1214-1220Modal Survey
K. S. Smith, M. Trubert
Electric Impact Hammer--A Performance Comparison Between The PCB Electric 1221-1225Impact Hammer And Conventional Impact Hammers
D. A. Corelli, R. Zimmerman
Modal Excitation--Force Dropoff At Resonances 1226-1231
E. L. Peterson, W. M. Rusen, T. A. Mouch
SESSION 41. EXPERIMENTAL TECHNIQUES II
Accuracy Requirements For Real Time Animation Techniques 1232-1239B. E. Rediers, G. M. Goetchius
Modal Survey Of An Arched Dam, Filling Up 1240-1245P. Kopff, E. Francois
Use Of Dynamic Strain Measurements For The Modelling Of Structure 1246-1251W. F. Tsang
A Frequency Domain Maximum Likelihood Identification Scheme With Application 1252-1261To Flight Flutter Data Analysis
J. Leuridan, H. Van der Auweraer, J. Schoukens, R. Pintelon
SESSION 42. SYSTEM IDENTIFICATION IV
Identification Of Operational Vibrations In Rail Vehicle Structures 1262-1270A. Schenk, M. Sinapius,
Robust Time-Domain Identification Of Mass Stiffness, And Damping Matrices 1271-1277M. J. Roemer, D. J. Mook
Nonlinear System Identification With Random Excitation Using Discrete 1278-1283Third-Order Volterra Series
S.-W. Nam, S. B. Kim, E. J. Powers
A Method Of System Identification For Nonlinear Vibrating Structures 1284-1290Y. Benhafsi, J. E. T. Penny, M. I. Friswell
On The Use Of Some Instrumental Variable Matrices For Inversion In 1291-1296Modal Analysis
C. F. Cremona, J. A. Brandon
Determination Of Physical Parameters Via Vendermonde Vibration Testing 1297-1303Z. Liang, G. C. Lee
XII
SESSION 43. FINITE ELEMENT ANALYSIS II
A Uniform Approach To The Forumulation Of Non-Consistent Mass Matrices 1304-1313K.-J. Young, L. D. Mitchell
Eigensolutions of Beams Carrying Axially Moving Material Calculated By Use Of 1314-1320Exact Finite Elements
J. H. Sallstrom, B. A. Akesson
Eigensolutions Of Rotating Beam Systems Found By Use Of Exact Finite Elements 1321-1326M. Lundblad
Statistics Of Eigensolutions For Degenerate Systems With Random Properties 1327-1330Z. Zhang, S. Chen
Modal Analysis Of Flexible Manipulators Using Finite Element—Transfer 1331-1337Matrix Method
Y. Xu
Dynamic Characteristics Of One-Way Stiffened Floor Systems By Finite 1338-1343Strip Analysis
B. Folz, A. Filiatrault
SESSION 44. LINKING ANALYSIS AND TEST VII
A Comparison Of Test-Analysis Model Reduction Methods 1344-1351A. Freed, C. C. Flanigan
Spatial Distribution Of The Harmonic Distortion Induced By Large Vibrating 1352-1358Amplitudes Of Fully Clamped Beams and Rectangular Plates
R. Benamar, M. M. K. Bennouna, R. G. White
Element Modification Method Of Analytical Model Updating With Application 1359-1364L. Zhang, L. Yu
A Note On The Effects Of An Iterative Method On Estimating Modal And 1365-1368System Parameters From Response Transfer Functions
D. J. Benson, T. C. Huang
Design Optimization And Test/Analysis Correlation Of The Head Expander Of 1369-1375A Vibration Test Shaker
R. S. Ballinger, D. L. Brown, E. L. Peterson
SESSION 45. ANALYTICAL METHODS VI
Singular Value Decomposition: Sufficient, But Not Necessary 1376-1380J. A. Brandon, C. F. Cremona
A New Nonlinear Modal Parameters Identification Method 1381-1385X. Ma, J. Yuan, P. Liu
Dynamic Analysis Of Machine Tool Column Via Modal Test and FEM 1386-1389D. Yu, X. Yu, Z. Peng, Y. Xu
The Analysis Of Stochastic Response Of Piecewise Linear System Under 1390-1396A Combined Deterministic And Random Excitation
Q. Feng
SESSION 46. SYSTEM IDENTIFICATION V
Eigenvector Derivatives For Analytical Model Improvement 1397-1402M. F. Orr, Jr.
Error Analysis Of Linear And Nonlinear System Identification 1403-1409C. D. Kan, H. M. Chen, J. S. C. Yang
Modelling Of Modal Interference For A System With Closely Spaced Modes 1410-1416T. K. Caughey, A. F. Vakakis, A. N. Moser
XIII
Reduced Order Self-Tuning Regulator And Corresponding Problems 1417-1423Y. Wu, W. Wu
A Stochastic Suboptimum Maximum Likelihood Approach To Structural 1424-1433Dynamics Identification
J. E. Lee, S. D. Fassois
Estimation Of Joint Structural Parameters From Measured And Computed 1434-1439Frequency Responses
C.-W. Lee, S.-W. Hong
SESSION 47. DESIGN METHODS
Design And Modal Analysis Of A Prototype Link For A Flexible Robotic 1440-1446Manipulator
M. D. Whalen, H. J. Sommer III
A Method Of Design Of Viscoelastically Damped Structure 1447-1455X. Wang, C. H. Ku
Iterative Curve Fitting Method To Extract A Constrained Optimum Design 1456-1461Parameter From The Best Possible Performance Result
Y.-S. Park, S.S. Lee
Design Sensitivity Analysis For Vibration Reduction Of Machine Structure 1462-1468J. Zhu, Y. Cheng Yaodong, J. Qi
Vibration Reduction Design Methods--Tuned Dynamic Absorber For High-Speed 1469-1475Press Machines
Y. Hashimoto, T. Hiromatsu, H. Kushida
Orthogonal Grid Method For Optimization Of Structural Modal Frequencies 1476-1478J. Hou, Z. Feng
XIV
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