3rd International Operational Modal Analysis Conference May 4-6, 2009, Portonovo, AN, Italy

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List of Contents

Volume I

Lecture of Honour Prof. D.J. Ewins	Page
D.J. Ewins: The Trouble with Vibration Measurements ….	XV
Keynote Lecture Prof. J.M.W. Brownjohn
.M.W. Brownjohn, E.P. Carden, R.C. Goddard, G. Oudin & K. Koo: Real-time performance tracking on a 183 m concrete chimney and tuned mass damper system	XIX
OMA application in bridges and special structures Session organized by Á. Cunha
F. Magalhães, J.M.W. Brownjohn, E. Caetano & Á. Cunha: Challenges in identification of the Humber Bridge modal parameters based on an ambient vibration test	3
C.E. Ventura, J.C. Carvajal, J. Centeno, B. Pandey & S. Huffman : Identification of modal properties of the Ironworkers Memorial Second Narrows Crossing: testing on deck	11
F. Magalhães, E. Reynders, Á. Cunha & G. De Roeck: Online automatic identification of modal parameters of a bridge using the p-LSCF method	21
X. He, J.P. Conte, M. Fraser & A. Elgamal: Long-term monitoring of a highway bridge	29
M. Kahsin & B. Peeters: Numerical model derivation of the composite high-speed train viaduct based on the experimental data	37
J. Rodrigues & M. Ladesma: Modal identification of railway bridges from ambient and free vibration records	47
W.H. Hu, C. Moutinho, F. Magalhães, E. Caetano & Á. Cunha: Analysis and extraction of temperature effects on natural frequencies of a foot-bridge based on continuous dynamic monitoring	55
C. Cremona: Dynamic investigations of the Solferino footbridge	63
R. Cantieni: Modal analysis of a river exploitation power house, with and without the turbine/generator units being in operation	73
M. Vanali, A. Caprioli, A. Cigada & C. Gentile: Comparison of two different OMA techniques applied to vibration data measured on a Stadium grandstand	81
P. Mendes & S. Oliveira : Influence of the intake tower dynamic behaviour on modal identification of Cabril Dam	89
P. Moyo & C. Oosthuizen : Dynamic testing of a concrete arch dam	95
OMA for mechanical and aerospace structures Session Organized by G. Coppotelli & A. Sestieri
M. Troncossi & A. Rivola: Modal parameter estimation of a PVC-product cleaning machine by means of operational modal analysis	103
J. Johansson, H. Samuelsson, N.J. Jacobsen & A. Angantyr: Operational modal analysis of large 2-pole rotating machinery	111
A. Friedmann & M. Schmidt: Engine excitation for operational modal analysis	119
A. Malekjafarian, M.R. Ashory & M.M. Khatibi: Double modes determination of a gearbox shaft using operational modal analysis	127
M. Belardo, I. Dimino & V. Quaranta: Ground vibration test and aeroelastic analyses of the CIRA Unmanned Space Vehicle	135
G. Coppotelli, F. Vetrano, F. Nitzsche, D. Feszty, A. Mander, P. Wierach & J. Riemenschneider: Identification of the dynamic properties of active twist rotor model blade using output-only data	145
A. Agneni, L. Balis Crema & G. Coppotelli: Use of correlation techniques in output-only analysis	155
S. Gade, R. Schlombs, C. Hundeck & C. Fenselau: Operational modal analysis on a wind turbine gearbox	163
B. Harsini: Investigation of 3-D Unsteady turbulent flow and noise reduction in expansion chamber of internal combustion engines	171
B. Peeters, L. Grieco & G. Coppotelli: Using combined deterministic-stochastic Average-Based-Spectra approach in operational modal analysis	181
R. Monti, P. Gasbarri & F. Vetrano: Viscoelastic damping devices for space applications	195
A. Culla, W. D’Ambrogio & A. Fregolent: Comparison of Input/Output and Output/Only modal parameter estimation techniques on a simple mechanical structure	205
Measurement techniques
N.J. Jacobsen & O. Thorhauge: Data acquisition systems for operational modal analysis	215
U.S. Paulsen, O. Erne & M. Klein: Modal analysis on a 500 kW wind turbine with stereo camera technique	223
R. Aguilar, L.F. Ramos & P.B. Lourenço: Wireless sensor technology for structural health monitoring of historical masonry structures	231
S. Rusnáková, D. Bakošová, I. Letko, J. Slabeycius & J. Krmela: Modal analysis of composite materials by electronic speckle pattern interferometry and accelerometer	239
C. Gentile & G. Bernardini: Application of radar technology to deflection measurements and OMA of bridges	245
R. Flori, R. Marsili & G. L. Rossi: Operational modal analysis by thermoelasticity	255
OMA application in earthquake engineering
D. Bernal & A. Nasseri: An approach for response reconstruction in seismic applications	267
C. Rainieri, G. Fabbrocino & E. Cosenza: Operational modal analysis and earthquake engineering	275
E. Safak & E. Cakti: A simple approach to develop analytical models for multi-story buildings by using earthquake response records	283
L. Martinelli: Damping estimation of Camus 1 Specimen through OMA	287
E. Jamshidi, M.R. Ashory & N. Nematipoor: Model updating of structures under base excitation and RFM: A comparative study	295
M. Modano, D. Cancellara & M. Luiso: Wireless and stand-alone measurement system for dynamic identification of structures	305
Analytical redundancy in damage characterization Session organized by D. Bernal
M.D. Spiridonakos & S.D. Fassois: Vibration based fault detection in a time-varying link structure via non-stationary FS-VTAR models	315
A.P. Ompusunggu, J.M. Papy, S. Vandenplas, P. Sas & H. Van Brussel: Exponential data fitting for features extraction in condition monitoring of paper-based wet clutches	323
D. Bernal: A null space technique for damage location in OMA	331
C. Papadimitriou & E. Ntotsios: Bayesian methodology for structural damage identification and reliability assessment	339
Application, buildings
C.A. Oyarzo-Vera, Abdul Razak Abdul Karim & Dr. N. Chouw: Modal testing of an unreinforced masonry house	349
N.I.Giannoccaro, M. Diaferio, & D. Foti: Identification of the modal properties of an instrumented building	357
X.R. Qin, Q. Zhang, Y. Hu & R.Y. Xu: Modal analysis and identification of a low frame steel bridge type system in an automatic container terminal	365
J. Grosel, W. Sawicki & Z. Wójcicki: The identifications of modal parameters of a large industrial structure	371
Application, civil engineering
C. Cremona, S. Yang & L. Dieleman: Overview of feature extraction techniques	381
D. David, G. Tristão, L. Becocci & M.A. Juliani: Experimental and computational analysis of floors submitted to dynamic loads	391
F.J. Pallarés, S. Ivorra & J.M. Adam: Monitoring masonry chimneys with operational modal analysis	401

Volume II

OMA for vibro-acoustic analysis and applications Session organized by F. Marulo & E.P. Tomasini	Page
E. Pierro, E. Mucchi, L. Soria & A. Vecchio: EMA and OMA techniques for vibro-acoustically coupled systems: the example of a helicopter cabin	415
C. Rainieri, G. Fabbrocino, T. Polito & F. Marulo: Blind Source Separation for acoustic and modal analysis: a comparative assessment	423
G.M. Revel, M. Martarelli & P. Chiariotti: 2D-Coherent acoustic intensity estimation from operational scanning laser vibrometry measurements for source identification in reverberant fields	431
F. Marulo & T. Polito: Output-only acoustic analysis of a rigid enclosure	439
B. Peeters, P. Gajdatsy, P. Aarnoutse, K. Janssens & W. Desmet: Vibro-acoustic Operational Modal Analysis using engine run-up data	447
OMA for monuments and historical construction Session organized by C. Gentile & F. Benedettini
G. Buffarini, P. Clemente & D. Rinaldis: Experimental dynamic analysis of cultural heritage buildings	459
M. Abdolvahab, L. Mevel & L. Ramos: Rejection of temperature effect in subspace-based damage monitoring systems: application to two historical monuments	467
F. Casarin, C. Modena & E. Simonato: Dynamic identification of the St. Martin bell-tower of Burano, Venice	475
T. Schmidt Comparison of the dynamic behaviour of 16 historical twin bell towers	483
A. Bayraktar, T. Türker, A. Sahin, D.M. Özcan & F. Yildirim: Operational modal analysis of the Hagia Sophia bell-tower	491
C. Gentile, A. Saisi & N. Gallino: Operational modal analysis and F.E. modelling of a masonry tower	499
A. Brencich & D. Sabia: Structural Identification of masonry arch bridges	507
T. Elnady: Operational Modal Analysis of Ramses II Statue	517
T. Schmidt: Design, testing and evaluation of scaled reinforced bell towers	525
A. Brencich, S. Lagomarsino & G. Riotto: Dynamic Identification of reduced scale masonry bridges	533
C. Rainieri, G. Fabbrocino, C. Conte & M.A. Aiello: Modal identification of heritage structures: Lecce's «Star vaults»	541
M.A. Juliani & L. Becocci: Assessment of the structural safety and the dynamic behaviour of the "Monument and Mausoleum to the Paulista soldier of 1932"	549
Application, bridges
R. Geier: Monitoring experiences on integral bridges	559
M. Heiden, T. Reiter & G. Stettner: Vibration investigation of traffic sign bridges and toll gantries in Austria	567
M. Dilena, A. Morassi, F. Benedettini & F. Eusani: Dynamical tests on a damaged bridge	577
A.L. Materazzi, M. Breccolotti, F. Ubertini & I. Venanzi: Experimental modal analysis for assessing prestress force in pc bridges: a sensitivity study	585
A.L. Materazzi, M. Breccolotti, F. Ubertini & I. Venanzi: Modal identification of a prestressed concrete bridge through ambient vibration tests	595
G. Chellini, L. Nardini, W. Salvatore, M. Tisalvi & G. Sorrentino: Global and local dynamic behaviour of the Sesia viaduct, a steel-concrete composite railway bridge on the HS line Turin-Milan	603
Identification techniques
R. Brincker & L. Zhang: Frequency Domain Decomposition Revisited	615
C. Devriendt, G. De Sitter & P. Guillaume: Operational modal analysis in the presence of multiple arbitrary ambient forces using multivariable transmissibilities	627
E. Reynders, S. François & G. De Roeck: Operational modal analysis using ambient Support Excitation: An OMAX Approach	635
P. Fernández, M.L. Aenlle, R. Brincker & A. Fernández Canteli: Artificial Excitation in Operational Modal Analysis	643
A. De Stefano, E. Matta & A. Quattrone: Improvement of Time-Frequency domain identification through PCA	651
J.C. Carvajal & C.E. Ventura: Identification of operational mode shapes of a soil deposit using a grid of mi-crotremor measurements	659
A.A. Kasimzade & S. Tuhta : Optimal Estimation the Building System Characteristics for Modal Identification	667
P. Fernández, M.L. Aenlle, R. Brincker & A. Fernández Canteli: Stress Estimation in Structures Using Operational Modal Analysis	675
S. Chauhan: Deriving Stochastic Subspace Identification Algorithm Using Unified Matrix Polynomial Approach	683
W.H. Wu, M.S Xu & C.C. Chen: A generalized multiple random decrement method for modal parameter identifica-tion of structures	691
M.M. Khatibi, M.R. Ashory & A. Malekjafarian : Scaling of Mode Shapes Using Mass-Stiffness Change Method	699
M.H. Masjedian & M. Keshmiri: A Review on Operational Modal Analysis Researches: Classification of Methods and Applications	707
Damage detection
C. Cremona & L. Adelaide: Optimization of measurement points for damage detection	719
V. Sepe & G. Bellizzotti: Identification of damage in structural elements not directly accessible	729
A. Cury, C. Cremona & E. Diday: A methodology based on symbolic data analysis for structural damage assessment	737
F. Cavalieri, M. Imbimbo, R. Betti & A. Brügger: Damage detection of a steel frame subjected to ground motion	749
E. Safak, E. Cakti & Y. Kaya: Seismic wave velocities in historical structures: a new parameter for identification and damage detection	757
M.P. Limongelli: A Damage Detection Approach based on Responses Interpolation	765
R. Rodriguez-Rocha, F.J. Rivero-Angeles & E. Gomez-Ramirez: Damage detection of a 7-storey concrete building utilizing the Frequency Domain Decomposition Method and Independent Component Analysis for modal parameter extraction	773
A.A. Mat Isa & Z.A. Rahman: The Influence of Off-centred Crack on the Dynamics of Beam	781
N.T. Khiem & D.D. Khang: Structural Damage Detection by Measurements of Vibration Characteristics	789
A. Siami, M. Farid & M. Asayesh: Identification of Crack Location and Depth in Beams	803
Signal analysis
O. F. Tigli & D. Bernal: Estimation of Zeros from Cepstra of the Measured Responses	815
A. Friedmann & M. Kauba: Improving signal resolution within engine analysis	823
P. Vacher: Online Frequency Adjustment of IIR Filters	827
M. Jafari, M.R. Ashory & M.M. Khatibi: Modal Identification Process Using Wavelet Transform	835