mini iIIIIIIIMIIIIIIIA

inlineInternationalModalAnalysisConference

Proceedingsof the

9th InternationalModal Analysis

ConferenceAPRIL 15-18,1991

FIRENZE INCONTRA, CENTRO AFFARIFIRENZE (FLORENCE) ITALY

Union CollegeDr. Arnold E. S. Gussin, Dean, Graduate & Continuing StudiesSuzanne McCormack, Conference CoordinatorDominick J. DeMichele, Conference Director

Society for Experimental Mechanics, Inc.Kenneth A. Galione, Managing Director

UNIVERSITATSBIBLIOTHEKHANNOVER

TECH!\!3CHEINFORMATIOMSBIBUOTHEK

Sponsored By:UNION COLLEGE

Schenectady, NY 12308and

SOCIETY FOR EXPERIMENTAL MECHANICS, INC.Bethel, CT 06801

UB/TIB Hannover 89

TABLE OF CONTENTS

PAGE NO.

KEYNOTE ADDRESS

Modal Analysis: A Perspective on IntegrationJ. Leuridan xix-xxv

ANALYTICAL METHODS

Nonlinear Modes of a BeamP. H. McDonald

Considerations to Optimize the Dynamic Behaviour of Boring BarsF. Kuster

Complex Modal Analysis of Nonstationary Random ResponseT. Fang, Tian-Shu Zhang, Zhen-Ni Wang

Eigen-Matrix for the Dynamic Behavior of Linear Engineering StructuresX. Ma, G.C. Lee, Z. Liang

On the Fundamental Frequency of Symmetric Rectangular Laminated Plates: A NewClosed-Form Approximate Solution

R. Reiss, O. Barton, L Thigpen, W. Aung, B. Qian

Comparison of Two Approaches to Incorporate Geometric Stiffness Terms in FlexibleMultibody Dynamics

O. Wallrapp, W. Rulka, M. Maurer

Broadband Response of Beam Trusses by Frequency Smoothing and Structural PathAnalysis

A. Girard, H. Defosse

Modal Effective Mass Models in Structural DynamicsA. Girard

A Direct Energy Approach for Updating Dynamic Finite Element ModelsN. A. Roy, A. Girard, P. E. Dupuis

Evaluation of a Spatial Sine Testing Parameter Estimation AlgorithmF. Deblauwe, R. Rost, H. Void

1-4

5-11

12-18

19-24

25-30

31-37

38-44

45-50

51-57

58-62

A New Approximation of Frequency Responses for Structural Synthesis and ParameterIdentification

H. Miura, M. K. Chargin 63-69

On Regularization Methods Applied to the Error Localization of Mathematical ModelsH. G. Natke 70-73

Modes and Quasi-Modes in Modal AnalysisD. Afolabi 74-77

Resolution of Double ModesD. Afolabi 78-83

Correlation of Finite Element Models Using Mode Shape Design SensitivityC. Flanigan 84-88

Comparison of Driving Point and Transmissibility Frequency Response Functions ofVibratory Systems

S. Pietrzko 89-95

Multi-Modal Formulation for Free Large Vibrations of Buckled PlatesR. Heuer, H. Irschik, F. Ziegler 96-100

Receptance Functions Prediction for Rotating Elastic BodiesY. F. Chou, K. F. Huang 101-108

The Modal Strain, RDOF's and the Graphics Method of Sensitivity Analysis for ModalParameters

TianJifang 109-114

The Generalized Definition of Shear Parameter for a Damped Beam with N Elastic LayersJian Liang, Zhong-Chao Zhang 115-118

The Transfer Matrix Method for Dynamic Analysis of One-Dimensional Lattice StructuresY. Ren, W. Zhu 119-124

Impact Response Analysis of Multi-Body SystemsZ. Shijin 125-131

Power Flow and Energy Distribution Between Non-Conservatively Coupled PlatesJ. Zhang, C. H. Ku 132-138

A Method for Modal Analysis of Constrained StructuresJing-Lei Qu, Luo Zhen-Huang 942-944

EXPERIMENTAL TECHNIQUES

Damage Location in Reinforced Concrete Beams Using Vibration ResponsesM. G. Wood, M. I. Friswell, J. E. T. Penny, J. A. Purkiss, M. Bailey

Experimental Modal Analysis and Disc Drive Design: An Interactive Case HistoryJ. Castagna

ITALSAT Satellite Structure Sine Vibration Test Correlation with MathematicalModel Predictions

F. Morganti, G. Morelli, R. Milone

139-144

145-149

150-157

Modal Analysis in the Certification of a Commerical AircraftW. R. Buckley, J. B. Poland

Optoelectronic Measurement and Calculation of Surface Wave Propagation on IrregularSoil Domains

L. Gaul, M. Plenge

A Theoretical Basis for Cross-Axis Corrections in Tri-Axial AccelerometersK. G. McConnell, S. B. Han

Mode Shape Measurement Using a Scanning Laser Doppler VibrometerP. Sriram, S. Hanagud, J.I.Craig

Comparative Assessment of Modern Modal Testing StrategiesW. Bakkers, H. Van der Auweraer, Dr. Kirchknopf

An Experimental Technique for Determining Complex Structural Frequency ResponseFunctions in High Ambient Temperature

Yu Heji, Wei Ning

Stepped MultiSine Modal Testing in PracticeM. I. Friswell, J. E. T. Penny

Experimental Investigation of Santa Anita DamZ. H. Duron, J. F. Hall

Experimental Modal Analysis in Offshore PlatformsM. E. Martinez, P. Quijada

Dynamic Analysis and Structural Modification of Engine BlockYang Qingfo, Li Yan, Li Junbao, Li Longmei, Jia Changle

An Application of Unbiased Estimation of Operating ShapesJ. Pan, R. Allemang, H. Void

The Utilization of Magnetic Tape Recording for Modal Data AcquisitionJ. C. Morehead

Ground Vibration Test on Piaggio P-180 Aircraft: Comparison between Two ModalTest Methods

C. Surace, P. Chiarlone

ARMAV Model Technique for Multiple Input/Output System IdentificationG. D'Alessandro, E. Giorcelli, L Garibaldi, A. DeStefano

A Method for Evaluating Loss Factor of Damping LayersL G. Liang, L. Mina, L. Garibaldi

Global MDOF Curve Fitting with Separated Global Parameter Method Using FrequencyResponse Functions

L. G. Liang, L Garibaldi

Signal Processing and System Identification Techniques for Flutter Test DataAnalysis

H. Van der Auweraer, K. Ishaque, J. Leuridan

158-164

165-170

171-175

176-181

189-193

194-199

200-205

206-212

213-218

219-225

226-232

233-238

239-245

246-249

250-253

254-260

873-883

STRUCTURAL DYNAMICS MODIFICATION

Minimum Weight Structure Subjected to Both Natural Frequency and FrequencyResponse Constraints

Ting-Yu Chen

Modal Energy Gradient Method for Updating Structural Design ParametersDe-Wen Zhang, Fu-Shang Wei

Theoretical and Experimental Data on Crack Depth Effects in the DynamicBehaviour of Free-Free Beams

A.J.M.Araujo Gomes, J.M. Montalvao E Silva

Predicting the New Frequency Response Function of a Structure when AddingConstraints

P. Salvini, A. Sestieri

Treatment of Damping Additions on Initally Undamped Structures Using a ModalReanalysis Procedure

P. Level, H. Morvan, Y. Ravalard, J. Oudin

Improvement of the Numerical Conditioning of a Structural Modification ProcedureS. Cogan, G. Lallement

A Model of an L-Section Beam Containing Damage for Use in Finite Element andStructural Dymanics Modification Applications

W.T. Springer, R. L Boyer, A. D. Coleman, T. A. Driskell

Prediction of Transducer Mass-Loading Effects and Identification of Dynamic MassO. Dossing

FRF Method of Structure Dynamic Modification and SoftwareX. Zhang, J. Zhang

An Efficient Technique for Optimal Design Changes to FEM of Structural DynamicSystems

G. A. Pierce, S. Jonas

Modal Modification of Dynamic Mechanical Structure Using Dynamic Stiffness andTransfer Matrix Concept

R. K. Srivastava, T. K. Kundra

A Procedure of Structural Dynamics Modification Using Frequency Response FunctionModels

Q. Zeng, L. Zhang

Optimizing the Fatigue Lifetime of Structural Components by Using Dynamic AnalysisMethods

D. Liefooghe, P. Sas

261-267

268-273

274-283

284-290

291-296

297-303

304-305

306-312

313-319

320-327

328-336

337-343

344-351

LINKING ANALYSIS AND TEST

Solution of the Model Correction Problem via Inverse MethodsD. J. Inman, L. Starek 352-355

General Accurate Analytical Type Solutions for the Free Vibration of RectangularPlates Resting on Classical Edge Supports Based on the Superposition Method:Experimental Verification

R.K. Singal, D.J. Gorman, S.A. Forgues

Parametric Correction of Finite Element Models by Minimization of an Output Residual:Improvement of the Sensitivity Method

J. Piranda, G. Lallement, S. Cogan

Optimal Selection of the Measured Degrees of Freedom and Application to a Methodof Parametric Correction

G. Lallement, S. Cogan, H. Andriambololona

Identifying the Unmodified Structural Characteristics Using Multiple ModificationsP. Barney, R. Rost, D. Brown

Observations on Some Model Optimization MethodsM. K. Abdelhamid, M. S. Hemami

An Evaluation of Some Uses of Mass OrthogonalityM. K. Abdelhamid

Enhancements to Modal Testing Using Finite ElementsB. P. Jarvis

Frequency Response Synthesis Using Assumed Component ShapesP. J. Conti, M. G. Donley

Localization of Modelling Error and Updating of Structural Parameters onSensitivity Analysis

L Zhang, J. Luo

Evaluation of Model Verification Methods in Structural DynamicsM. F. Schmidt

Modal Analysis of a Pre-Cast Concrete Floor ElementP-E. Eriksson

A Comparison of SDOF and Global Mdof Modal Analysis Techniques when Applied toa Lightly-Damped Linear Structure

M. Imregun

A Procedure for the Integrated Development of Test-Analysis ModelsP. Sergent, S. Crowley, M. Capabianco

Correlation between Experimental and Numberical Data Applied to Fixed OffshoreStructures

T. A. P. Lopes, S. F. Neto, C. V. Rapsos, F. A. U. Alvarado

A Technique to Update Finite Element Models Using Frequency Response DataW. J. Visser, M. Imregun

Improvement of a Finite Element Model with Dynamic Reduction Using Test DataS. Guo, H. G. Hemingway

Active Vibration Control of a Flexible Manipulator in a Parallel Drive MechanismYoung-Pil Park, Young-Kyun Ha, Seung-Chul Choi, Jae-Won Kim, Sang-Jo Lee

356-362

363-368

369-375

376-382

389-395

396-401

402-408

409-415

416-423

424-429

430-434

435-441

442-449

455-461

462-468

469-473

474-478

Comparison of Procedures for Localizing and Correcting Errors in Computational ModelsUsing Test Data

M. Link 479-485

Model Correlation and Orthogonality Criteria Based on Reciprocal Modal VectorsJ. J.C. Wei, R. J. Allemang 486-491

Expanding Test Mode Shapes for Better VisualizationS. Crowley 492-498

A Second Order Interation Procedure for Correlation of Analysis Frequencies withTest Data

I. U. Ojalvo, D. Pilon 499-502

A New Method to Correct the Design Value of Gear StiffnessXie Yongju, Chen Zhongyi 503-509

Revising MSC\Nastran Models to Match Test DataK. Blakely 510-513

Updating of Force FunctionsE. Dascotte, G. Desanghere 514-516

Application of FEM Model Correlation and Updating Techniques on an Aircraft UsingTest Data of a Ground Vibration Survey

M. Brughmans, J. Leuridan, G. Hrycko, J. Wyzykowski 517-525

Factors Contributing to the Nonlinear Acoustic Response in Fluid StructuralInteractions on a Thin Cylindrical Shell

R. O. Stearman, W. E. Brown, R. B. O'Donnell, E. J. Powers, G. R. Wilson 526-541

Determination of Critical Buckling Load of Thin-Walled Cylinders Using Modal AnalysisA. C. Costley, S. Mourad, G. C. Pardoen, R. J. Kazanjy 542-548

Modal Correlation of Test and Finite Element Results Using Cross Orthogonality witha Reduced Mass Matrix Obtained by Modal Reduction and Nastran's Generalized DynamicReduction Solution

R. G. Budynas, D. Krebs 549-554

Comparing Measured and Predicted Spatial PropertiesB. J. Dobson, H. G. Lee 555-562

Model Updating under Incomplete and Noisy Modal Test DataL Eckert, B. Ceasar 563-571

Real Mode Computation from Identified Modal Parameters with Estimate of GeneralizedDamping

A. Sestieri, F. Placidi, F. Poggi 572-579

System Identification and Localization Procedures with Structural ConnectivityConstraint

J. O'Callahan, Chi-Hsing Wu 580-590

Identification of Orthotropic Complex Material Properties Using a MixedNumerical/Experimental Technique

J. DeVisscher, H. Sol, J. VanTomme 591-595

PROCESSING MODAL DATA

Determination of Undamped Normal Modes from Measured Real Forced Modes UsingFrequency Response Data

M. Rades 596-602

Optimal Uniform Subwindow Partitioning for FFT-Based Time-Frequency SpectrumEstimation

P. Sherman, C. W. Borghesani, T. Hunt 603-609

Estimation of Correlation Functions by the Random Decrement TechniqueR. Brincker, S. Krenk, J. L Jensen 610-615

A New Approach for Frequency Response Function EstimationGu, Songnian, Huang, Fanglin 616-620

An Iterative Approach to a Reduced Mass MatrixM. A. Blair, T. S. Camino, J. M. Dickens 621-626

Study on Vibration Source Characteristics - General I/O Model Representation andIts Fundamental Properties

Y. Hashimoto 627-633

Effect of Stimulus in the Quality of Frequency Response Function MeasurementT. Yamaguchi, H. Takahashi, E. Eguchi, K. Enomoto, N. Arakawa 634-638

Instantaneous Time-Varying AR Spectral Analysis for Cyclostationary Random ProcessesP. Sherman, B. R. Silverstein 639-643

Complex Modes Arising from Linear Identification of Non-Linear SystemsH. N. Ozguven, B. Kuran, M. Imregun 644-650

Improved Frequency Response Function Estimation by Data Dependent SystemsS. M. Pandit, Y. X. Yao 651-656

Structural Angular Velocity Extraction Using DFT-IDFT TechniquesK. Kochersberger, A. L. Wicks, L. D. Mitchell 657-663

Advanced Modal Test and Correlation Methods Applied to the Atlas II Payload FairingR. Brillhart, D. Hunt, W. Dreyer, M. Gehringer 1242-1248

MODAL TEST METHODS

An Efficient Procedure for the Harmonic Testing of StructuresS. Alampalli, A. W. Elgamal

Determination of Modal Sensitivity Functions for Location of Structural FaultsM. H. Richardson, M. A. Mannan

The Application of ITD Modal Test Method to the Analysis of Dynamic Characteristicsof Road Vehicle Structures

Zong-An Shao, Ting-Ying Jiang, Wei-Feng Zhang

Dynamic Response of Structural Elements Excited AcousticallyHsin-Tsrong Lee, Tien-Shan Hsueh

Use of Principal Force Vectors with the Multivariate Mode Indicator FunctionM. Nash

664-669

670-676

677-684

685-687

689-693

Determination of In-Flight Modal Characteristics of a Fighter Type AircraftM. A. Marshall

Determination of Real Normal Modes via an Optimized Superposition of Broad-BandFrequency Response Functions

K. Muhlbauer, S. Dillinger, G. Bothe

Low Cost Real-Time Special Resolver for Modal ApplicationsJ. T. Gajjar

Driven-Base Modal Parameter Estimation for Continuous StructuresJyh-Chiang Lee, Yuan-Fang Chou

Comparison of Multi-Point Vibration Test MethodsK. Alexiou, J. R. Wright

694-699

700-704

705-710

711-718

719-727

SYSTEM IDENTIFICATIONAn Alternative Time-Domain System Identification Algorithm

C. M. Archibald, A. L Wicks

System Identification and Coherence Analysis in the Presence of a Harmonic SignalP. Sherman, Kang-Ning Lou, D. E. Lyon

SISO and MIMO Time Domain Methods for Vibrating StructuresS. Braun, I. Bucher

A Time-Domain Method for Identification Based on Fourier SeriesV. Steffen, Jr., D.A. Rade

The Use of Impulse Response Function for Modal Parameter EstimationS. Gade, H. Herlufsen

Q-Markov Cover Identification with Frequency Partition for Modal Analysis ofHubble Telescope Flight Data

K. Liu, R. E. Skelton, L. D. Peterson

An Experimental Study of a Number of Nonlinear SDOF Systems Using the RestoringForce Surface Method

K. Worden, G. R. Tomlinson

Active Vibration Control of a Beam with Accelerometer and VibratorJen-Yuan King, R. C. Lin, Hsin-Tsrong Lee, Chung Shan

A Multi-Reference Modal Parameter Identification Technique Based on a WeightedLeast Squares Principle

T. Yoshimura

Modal Order Determination in a Time Domain Identification AlgorithmR. G. Kurka

On the Modal Testing of Structures with Discrete Rubber ElementsJ. C. Van der Walt, P. S. Heyns

Identification of Contact Parameters between Grinding Wheel and WorkpieceL. Gang, X. Yanshen, P. Zemin

383-388

728-734

735-738

739-742

743-749

750-756

757-764

765-768

769-776

777-779

780-784

785-788

Methods and Application of Spatial Parameter Estimation from Measured VibrationData

J. E. Mottershead, S. Weixun

Modal Analysis and System Identification of Coupled Electronic Packaging SystemsK. K. Stevens, T. L. Wong, G. Wang

Recursive Identification of Nonlinear Systems by Means of the Extended KaimanFilter

S. Seibold, C. P. Fritzen

Dynamic Characteristics of Liquid-Filled Tanks by Modal Analysis TechniquesS. A. Mourad, M. A. Haroun

Modal Parameter Identification of a Spacecraft Launcher Fairing Half Shell ModelJ. E. Cooper, U. Fullekrug

A Spectral Method for Identifying Nonlinear SystemsR. J. Shyu

Optimal Design of Measurement Programs for the Parameter Identification of DynamicSystems

P.H. Kirkegaard, J. D. Sorensen, R. Brincker

The Extended Complex Mode Indication Function in Modal Force TechniqueA. C. Y. Lin, H. C. Chen, Y. G. Tsuei

Impulse Response Identification of SDOF Systems from Time-Truncated SignalsA. Agneni, L. Balis-Crema, A. Paolozzi

789-795

796-801

802-809

810-815

816-822

823-829

830-837

838-844

845-852

MODELING STRUCTURES

The Modal Analysis of Motion Response, Dynamic Stress and Acoustic RadiationTian Jifang

Application of CAE to Vibration and Strain Analysis of a BicycleN. Okubo, N.lshida

Modeling and Control Design of a Wind Tunnel Model SupportD. A. Howe

Consistent Modeling of Continuous Structural Dynamic ModificationsW. D'Ambrogio

Local Element Method for Structure Dynamics ModificationK. Jian, W. Xiaoyan

853-859

860-865

866-872

884-890

891-895

SUBSTRUCTURING

Algorithm for Repetitive Substructure for Thick Shell and Transition Finite ElementsJ. Szwedowicz, J. A. Kubiak, A. Carnero

An Improved Numerical Procedure for the Coupling of Dynamic Components UsingFrequency Response Functions

T. C. Lim, G. C. Steyer

896-901

902-908

Prediction of the Dynamics of Structural Assemblies Using Measured FRF-Data: SomeImproved Data Enhancement Techniques

D. Otte, J. Leuridan, H. Grangier, R. Aquilina 909-918

Using the SVD for the Selection of Independent Connection Coordinates in theCoupling of Substructures

A. P. V. Urgueira 919-925

Use of Modal Synthesis Techniques for the Optimal Design of Vibration IsolationTaking into Account the Elastic Foundation Behavior

Li Li 926-930

NOISE/ACOUSTICS

Practical Treatment of Elasto-Acoustic Problems Using a Mixed Finite Element/BoundaryElement Technique

J. P. Coyette 931-938

On Dynamics Modification of Structures by Means of Eigen-StructuresAssignment Method

Jing-Lei Qu 939-941

Minimization of Radiated Sound Power from Structures Using Shape OptimizationTechniques

J. S. Lamancusa, G. H. Koopmann 945-948

Productivity Gains in Interior and Exterior Acoustical Analysis of Passenger Carsby Automated Multi-Channel Test Procedures

U. Vandeurzen, P. Van de Ponseele, J. Lipkens, J. Leuridan, N. Kirtley 949-955

A Study on the Interior Noise-Reduction of a Passenger CarJ. M. Lee, M. H. Sung, Y. J. Kang, S. H. Kim, J. H. Kim, S. G. Jung 956-961

MODAL TOPICS IN ITALY

Identification of Robot Joint Stiffness Using Least Square on Modal ShapesM. M. Gola, A. Soma 962-968

A Lubricated Bearing Element for FEM Rotor DynamicsG. Gehta, F. Vatta 969-975

Theoretical Analysis on Dynamic Behaviour of Cracked RotorsC. Brutti, P. Salvini, P. Tripodi, V. Vullo 976-981

FINITE ELEMENT ANALYSIS

Vibration of Delaminated Anisotropic Composite PlatesL H. Tenek, E. G. Henneke, M. Gunzburger 982-987

The Impedance Matrix for the Finite Dynamic Element of Triangular Bending PlateChen Jing-yu 988-992

Identification of Structural Boundary ConditionDong Xiao-Qing, Chen Yao-dong, Qi Jing 993-998

System Dynamics in Quiet Gear DesignG. Steyer, T. C Lim 999-1005

Modai Description and Sensitivity Analysis in the Determination of ThermalParameters in Microsystem Devices

M. Wiedemann 1006-1010

Transient Vibration of Compressible Fluids in Piping Systems IncludingNon-Proportional Damping and Mean Flow Using Complex Modal Analysis

A. Frid 1011-1017

Tuning of Large-Scale Finite Element ModelsE. Dascotte 1025-1028

Identification of Nonlinearities: Application of the Volterra-Model to DiscreteMDOF's Systems; Possibilities and Limits

A. Frachebourg 1029-1035

Implementation of a Modal Filter on a Five Meter Truss StructureS. J. Shelley, R. J. Allemang, L Freudinger, Q. Zhang 1036-1044

Optimization of Structures to Reduce the Transmission of Vibrations: An ApproachBased on Kuhn-Tucher Optimality Condition with Constraints on Modal EffectiveParameters

P. Lemerle, H. Grangier, L Jezequel 1045-1051

On the Performance of Various Kinds of Rod and Beam Mass Matrices on a Plane FrameStructure

K. J. Young, L D. Mitchell 1057-1065

Structural Optimization Using Predicted Complex ResponseT. S. Bharj, A. Patel 1073-1076

Parameter Estimation of Structural Dynamic Models Using Eigenvalue and EigenvectorInformation

J. J. Allen, D. R. Martinez 1077-1083

Solid to Shell Transition Finite Elements for Structural Dynamics AnalysisA. Schorderet, T. C. Gmur 1091-1097

A H-P Version Optimization for Mesh Generation in Structural Dynamic Analysis byFEM

Niu Jiayi, Qi Jin, Cheng Yaodong 1098-1101

Design Optimization of Modal Behaviour of a Railway Pantograph for High SpeedRunning

G. Galeotti, P. Toni, V. Brandani 1102-1107

Simulating the Presence of Damage in a Vibrating Structure with Finite Element andStructural Modification Techniques

W.T. Springer, R. L Boyer, A. D. Coleman, T. A. Driskell 1108-1109

VEHICULAR MODAL ANALYSIS

Pratical Application of CAE to Design a New Comfortable ScooterC. Poli 1084-1090

Complex Eigensolutions Used for Beam Structures on Elastic Foundation Loaded byMoving Nonlinear Dynamic Systems

J. C. O. Nielsen, T. J. S. Abrahamsson 1110-1116

Reduced Order Linear Models of a Hydro-Mechanical MountR. Singh, G. Kim 1117-1123

Chatter In Railway TransmissionsG. G. Lisini, P. Toni, V. Brandani 1124-1131

Modeling and Improvement of Ride Quality of a Land CruiserM. Bahrami, G. R. Nakhaie Jazar, F. Daliri 1132-1135

Test Method for Checking the Efficiency of Passenger Car Shock AbsorbersH. Troidl, M. Muhlbauer 1136-1142

MODAL INSTRUMENTATION AND TRANSDUCERS

Structural Damping Measurement of Steel and Damped Steel Sheet Using FFT-basedFrequency Response Analyzer

T. Yamaguchi, M. Arai, H. Takahashi, S. Saitoh, H. Kosawa 1143-1148

Absolute Force Gage Calibration Using Step ExcitationG.P.Carroll 1149-1155

Low Frequency Calibration with Structural Gravimetric TechniqueR. W. Lally, Lin Jing, D. M. Lally 1156-1160

Application of a Three Degree of Freedom Laser Vibrometer for ExperimentalModal Analysis

J. A. Cafeo, M. W. Trethewey, J. R. Rieker, H. J. Sommer III 1161-1167

A New Pipelined Hardware and Software Design Speeds up MIMO MeasurementsS. Wilkie, G. Wiley 1168-1173

Experimental Investigation of Piezoelectric Film Used as Modal SensorsH. Sumali, H. H. Cudney 1174-1180

Flexible Multichannel Signal Conditioning SystemS.C.Chen 1181-1186

NON-LINEAR MODAL ANALYSIS

Impulse Testing of Linear and Non-Linear Vibrating SystemsY. Q. Hao, H. J. Rice, J. A. Fitzpatrick 1187-1192

The Implications of Using Linear Frequency Response Function Estimators onNonlinear Systems - a Functional Series Expansion Approach

M. Wright, J. K. Hammond 1193-1196

An Explanation of the Cause of the Distortion in the Distortion in the TransferFunction of a Duffing Oscillator Subject to Sine Excitation

D.M. Storer, G.R. Tomlinson 1197-1205

Higher Order Frequency Response Functions and Their Relation to PracticalStructures

G. R. Tomlinson, D. M. Storer 1206-1214

NON-LINEAR

Nonlinearity Identification and Quantification Using Inverse Fourier TransformYoun-sik Park, Won-Jin Kim

Modal Test Strategies for Moderately Nonlinear StructuresJ. Deel, J. Komrower

Predictive Response Calculation of Linear Structures Coupled with LocalNon-Linear Elements

K. Wyckaert, P. Vanherck, H. VanBrussel, P. Sas

A New Direct Identification of System Physical Parameters for Systems withNonlinear Elements

Y. Lin, W. Kortum

Nonlinear Modal Synthesis Based on Normal Form TheoryC. H. Lamarque, L. Jezequel

Experimental Analysis of Nonlinear Behaviour of an Aerospace StructureH. VanderAuweraer, K. Wychaert

1018-1024

1066-1072

1215-1222

1223-1226

1227-1233

1234-1241

MODAL TECHNIQUES FOR ROTATING MACHINERY

Stability Analysis and Damped Critical Speeds Research in Rotating Machines byFinite Element

U. Barberis 1052-1056

The Field Modal Parameter Identification Technique of Rotor or Rotor SystemZheng Gangtie, Huang Wenhu, Shao Chengxun 1249-1254

A Set of C° Finite Elements for Rotor Dynamics AnalysisT. C. Gmur, J. F. Rodrigues 1255-1262

Finite Element Modelling Associated with Laser Holography in Turbomachinery BladingModal Analysis

E. Benvenuti, M. Pinzauti 1263-1269

Digital Resampling - A Viable Alternative for Order Domain Measurements of RotatingMachinery

D. McDonald, M. Gribler 1270-1275

The Dynamic Characteristics of a Mass-Spring Propeller ModelS. Sarkani, G. Szilagyi 1276-1282

The Use of Neural Nets in Signature Analysis-Rotor ImbalanceW. J. Stevenson, D. L Brown, R. W. Rost 1283-1288

Dynamic Analysis of Pivoted-Pad Journal Gas Bearing and Rotor System ofTurbo-Compressor for Fuel-Cell Power Plant

A. Sakurai, Y. Inoue 1289-1292

An Improved Branch Method for Gear-Coupled SystemsJ. H. Kuang, J. H. Tsai 1293-1301

Design and Test of an Electromagnetic Eddy Current Damper for a High-Speed RotorJ. R. Frederick, M. S. Darlow 1302-1308

Dynamical Behavior Analysis of Rotor Structure Systems by Modal Truncation MethodF. Cheli, K. L Cavalca, A. Vania, F. G. Dedini 1309-1315

DESIGN METHODS

Active Control of Structural Vibration via Considering Acceleration IndexJiang, Jiesheng, Ye, Yuanjin

Optimum Control Design of a Non-Linear Dynamic Absorber Applying to StructuralVibration Induced by Wind

Rong-ying Shen, Qi Feng

Natural Frequencies of Vertical Process Vessels Using the Personal ComputerA.E. Blach

Analyze Dynamics of Structures - A Software Package ConceptS. Milacek

Modification by Modal Force TechniqueA. C. Y. Lin, Y. G. Tsuei

1316-1320

1321-1327

1328-1334

1335-1340

1341-1346

DAMPING

Adaptive Diagnosis of Faults in Elastic Structures by Static DisplacementMeasurement: The Method of Selective Sensitivity

Y. Ben-Haim

An Adaptive Tuned Vibration AbsorberG. Desanghere, E. Vansevenant

A New Technique for the Determination of Dynamic Shear Moduli and Shear SpecificDamping Capacities of Fiber-Reinforced Composities through Flexual VibrationMeasurements

Li Dazhi

Optimal Dynamic Absorber for Transients - Application to the Motion of a Robot ArmD. A. Johnson

On Adaptive Damping of Robotic Manipulators with Uncertain Dynamic ModelsY. Stepanenko, J. Yuan

Theoretical Modelling of the Damping Produced by Fatigue CracksK. Y. Sanliturk, M. Imregun

Identification of Damping Matrix for Non-Proportionally Damped SystemX. Ma, Z. Liang, G. C. Lee

Perturbation Analysis of Free-Layer Viscoelastic Damping Treatments for Systemswith Repeated Eigenvalues

K. K. Stevens, S. Shen

Frequency Modification of Damped Mechanical SystemsE. K. L Yee, Y. G. Tsuei

Dynamics of Partially Viscoelastically-Supported PlateY. Z. Wang, H. Y. Chu

450-454

1347-1352

1353-1356

1357-1363

1364-1369

1370-1374

1375-1380

1381-1387

1388-1391

1392-1401

STANDARDIZATIONAL MODAL ANALYSIS

Standardization and Modal AnalysisD. Muster

Modal Data Formats for Data Transfer: StandardizationR. J. Allemang

1402-1406

1407-1409

ESSENTIALS OF MATRIX METHODS IN MODAL ANALYSIS

Introduction to Matrices in Modal AnalysisD. J. Inman

On Markov Parameters in System IdentificationM. Phan, Jer-Nan Juang, R. W. Longman

Fundamentals of Ill-ConditioningI. U. Ojalvo

Data Correlation in Matrix Methods for Modal IdentificationJ. R. Wright, J. E. Cooper

Input and Output Matrices in Modal IdentificationR. W. Longman, M. Phan, Jer-Nan Juang

1410-1414

1415-1421

1422-1426

1427-1432

1433-1441

SIESMIC TOPICSComparative Study of the Dynamic Response of Solid and Sliced Rigid Bodies

G. C. Manos, M. Demosthenous 1442-1448

Dynamic Response of a Liquid Storage Tank Model with Influences from SupportNon-Linearities

G. C. Manos 1449-1455

Study of the Dynamic Characteristics of Model Frame Structures Utilizing anEarthquake Simulator Facility

G. C. Manos, D. Mpoufidis, M. Demosthenous 1456-1462

Frequency Response of Some Seismic EventsP. R. Millarke, D. J. DeMichele 1463-1467

Modal Analysis to Determine Response Characteristics of Reinforced Concrete BridgeComponents

N. H. Flynn, S. Ficcadenti, A. Costley, R. Kazanjy, M. Haroun, G. Pardoen,R. Shepherd 1468-1472

MODAL EXCITATION METHODS/MODAL FUNDAMENTALS

Generation of Signals for Structure Excitation with Given Spectrum of FrequencyP. Toni, V. L Campedelli

Thermoelastic Vibration Test TechniquesM. W. Kehoe, H. T. Snyder

Modal Testing with Multiple Sinusoidal ExcitationH. Van der Auweraer, D. Otte, J. Leuridan, W. Bakkers

182-188

1473-1484

1485-1494

Modal Testing Using Multiple Input Random ExcitationD. Hunt, R. Brillhart

The Multiphased-Step-Sine Method Applied to Vehicle Body TestingM. P. Balaam, J. T. Matthews, M. Oshima

A Foundation of Complex Damping TheoryM. Tong, G. C. Lee, Z. Liang

Fundamentals of Singular Value DecompositionN. M. M. Maia

1495-1501

1502-1508

1509-1514

1515-1521

ADDENDUM(Papers listed in the Addendum are ones which were submitted after theprinter's deadline. Therefore, these papers could not be listed underthe appropriate subject titles above.)

An Attempt to Quantify the Errors in the Experimental Modal Analysis ProcessK. Marudachalam, A. L Wicks 1522-1527

Experimental Research on Dynamic Properties of Mini-Small ObjectP. Q. Zhang, Q. M. Wang, X. O. Tang, T. C. Huang 1528-1535

Determination of Material Constants for a Cardboard with Sandwich Corrugated Coreby Modal Testing and Analytical Method

I. C. Wang, J. J. C. Wei, Ha-din Hsieh, Ming-yi Wu, W. J. Lin 1536-1542

Modal Theory of Linear Incompletely Uncoupled Vibration SystemQ. J. Yang, P. Q. Zhang, C. Q. Li, T. C. Huang 1543-1550

Analytical and Experimental Investigation of Stafility of Frames and ArchesSubjected to Follower Forces

G. M. Arif, O. Pettersson 1551-1561

Reducing Handle Vibration of Walking-Tractor by Using Modal Analysis and StructuralDynamics Modification

Qingzu Su, Jiachang Weng, Ling Xu 1562-1566

SDM - Comparison of First and Second Order ModelsJ. C. Caris, S. D. Gray, J. M. Starkey 1567-1573

Modal Analysis on the Model of the Italsat SatelliteI. Peroni, A. Paolozzi, A. Bramante 1574-1582

Identification of Non-linear Joints from Dynamical TestsF. Thouverez, L Jezequel 1583-1588

Variation in the Modal and System Parameters of Steel Plates Due to Changes inPhysical Properties

M. R. Chowdhury 1589-1595

Identification of the Machine Tool Receptance by Means of Experimental Modal AnalysisLin Baoyang, Cai Xueming, Zhang Chengui 1596-1600

Minehunter Structural ConsiderationsG. Guzzo, E. Ghinetti, G. Guidi, R. Alba 1601-1606

Aeroelastic System Identification of Advanced Technology Aircraft through HigherOrder Signal Processing

R. O. Stearman, E. J. Powers, R. Yurkovich, J. Schwartz 1607-1616

Effect of Debonding Damage on the Modal Damping of a Sandwich PanelI. Peroni, A. Paolozzi, A. Bramante 1617-1622

The Quality of Modal Parameters from Measured DataA. L Wicks 1623-1625

The International Journal of Analytical and Experimental Modal AnalysisCUMULATIVE INDEX - VOLUME 1 -5, 1986-1990 1626-1633

PLEASE NOTE:

VOLUME I - includes pages 1 - 852.

VOLUME II - includes pages 853 - 1633.