Topics in Modal Analysis I, Volume 5: Proceedings of the 30th IMAC, A Conference on Structural Dynamics, 2012

Front Matter....Pages i-ix
Compressed Sensing Applied to Modeshapes Reconstruction....Pages 1-8
Automated Modal Analysis Based on Frequency Response Function Estimates....Pages 9-18
Operational Modal Analysis Using a Fast Stochastic Subspace Identification Method....Pages 19-24
Tutorial Guideline VDI 3830: Damping of Materials and Members....Pages 25-31
Model Calibration and Validation for Material Damping Using Finite Element Analyses....Pages 33-45
Damping Properties Assessment of Very Highly Compliant Sandwich Materials: Are Traditional Methods Really Too Old?....Pages 47-55
Wind-Induced Vibrations in the European Court Towers....Pages 57-64
Time-Frequency Domain Modal Parameter Estimation of Time-Varying Structures Using a Two-Step Least Square Estimator....Pages 65-75
Comparison of Modal Parameters Estimated from Operational and Experimental Modal Analysis Approaches....Pages 77-88
Implementation of an SDOF Parameter Estimation Method with Generalized Residuals....Pages 89-98
Autonomous Identification of the Fast Time-Varied Modal Parameters....Pages 99-111
An Efficient Iterative Algorithm for Accurately Calculating Impulse Response Functions....Pages 113-125
A “Local Solve” Method for Extracting Modal Parameters from Inconsistent Data....Pages 127-135
An Overview of the Transmissibility Concept and Its Application to Structural Damage Detection....Pages 137-151
From Discretization to Continuous; Advanced Mechanical Measurements Using Continuous Scanning Methods....Pages 153-166
Measurement of Friction Contact Parameters for Nonlinear Dynamic Analysis....Pages 167-177
Advanced Frequency-Domain Modal Analysis for Dealing with Measurement Noise and Parameter Uncertainty....Pages 179-199
Updated Cepstral Methods for Operational Modal Analysis....Pages 201-209
A Non-Hermitian Joint Diagonalization Based Blind Source Separation Algorithm for Operational Modal Analysis....Pages 211-221
Modal Identification from Nonstationary Ambient Vibration Data Using Random Decrement Algorithm....Pages 223-232
Symbolic Dynamics-Based Structural Health Monitoring....Pages 233-242
Estimating the Elastic Period of Masonry Towers....Pages 243-248
Operational Analysis in the Launch Environment....Pages 249-264
Non-Contact Operational Modal Analysis of an Optical Membrane for Space Application....Pages 265-275
Padding Dynamic Stiffness Using Impedance Modeling of Helmet-Head System....Pages 277-286
Dynamic Stiffness-Based Test Systems for Viscoelastic Material Characterization: Design Considerations....Pages 287-297
Fixed Base FRF Using Boundary Measurements as References: Analytical Derivation....Pages 299-308
Fixed Base FRF Using Boundary Measurements as References: Experimental Results....Pages 309-317
A Comparison of Multiple Impact Testing Methods....Pages 319-330
Advances in Six Degree of Freedom Vibration Testing....Pages 331-340
Converting a Slip Table Random Vibration Test to a Fixed Base Modal Analysis....Pages 341-357
Refinements on Estimating Fixed Base Modes on a Slip Table....Pages 359-365
A Frictionless Lightweight Active Vibration Control Mount for Small UAS....Pages 367-375
Embedded Active Vibration Cancellation of a Piston-Driven Cryocooler for Nuclear Spectroscopy Applications....Pages 377-384
Advanced Response Limiting Technique for Lightly Damped Structures....Pages 385-391
Active Control of Beam Vibration Using Non-Model Based Algorithm....Pages 393-397
Damage Identification Using Experimental Modal Analysis and Adaptive Neuro-Fuzzy Interface System (ANFIS)....Pages 399-405
Process Noise Identification and Observer Design for the Large Binocular Telescope....Pages 407-414
Modal Analysis of a Heliostat for Concentrating Solar Power....Pages 415-423
Extension of Subspace Identification to LPTV Systems: Application to Helicopters....Pages 425-433
Dynamic Characterization of Structural Joints Using FRF Decoupling....Pages 435-446
Kalman Filtering with Model Uncertainties....Pages 447-455
Ground Vibration Testing of the Predator B UAS with MTS Chin-Mount Structure....Pages 457-464
Acoustic Fluid-Structure Interaction of Cars and Ships (Tutorial)....Pages 465-469
Comparison of Modal Analysis Between Laser Vibrometry and NAH Measurements....Pages 471-480
System Identification in Rotating Structures Using Vibration and Modal Analysis....Pages 481-497
Some Considerations of Boundary Conditions in Dynamic Testing....Pages 499-510
Boundary Constrained Modal Test Method for Large Scale Highly Flexible Structures....Pages 511-521
A Comparison of Non-Parametric Techniques for FRF Estimation Using Pure Random Excitation....Pages 523-534
Exciter Impedance and Cross-Axis Sensor Sensitivity Issues in FRF Estimation....Pages 535-545
Modal Testing and FE Model Updating of a Lively Staircase Structure....Pages 547-557
Tracking the Evolution of Modal Properties of a Solid Propellant Launcher During Static Firing Test....Pages 559-570