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

1 Compressed Sensing Applied to Modeshapes Reconstruction 2 Automated Modal Analysis Based on Frequency Response Function Estimates 3 Operational Modal Analysis Using a Fast Stochastic Subspace Identification Method 4 Tutorial Guideline VDI 3830: Damping of Materials and Members 5 Model Calibration and Validation for Material Damping Using Finite Element Analyses 6 Damping Properties Assessment of Very Highly Compliant Sandwich Materials: Are Traditional Methods Really Too Old? 7 Wind-Induced Vibrations in the European Court Towers 8 Time-Frequency Domain Modal Parameter Estimation of Time-Varying Structures Using a Two-Step Least Square Estimator 9 Comparison of Modal Parameters Estimated from Operational and Experimental Modal Analysis Approaches 10 Implementation of an SDOF Parameter Estimation Method with Generalized Residuals 11 Autonomous Identification of the Fast Time-Varied Modal Parameters 12 An Efficient Iterative Algorithm for Accurately Calculating Impulse Response Functions 13 A “Local Solve” Method for Extracting Modal Parameters from Inconsistent Data 14 An Overview of the Transmissibility Concept and Its Application to Structural Damage Detection 15 From Discretization to Continuous; Advanced Mechanical Measurements Using Continuous Scanning Methods 16 Measurement of Friction Contact Parameters for Nonlinear Dynamic Analysis 17 Advanced Frequency-Domain Modal Analysis for Dealing with Measurement Noise and Parameter Uncertainty 18 Updated Cepstral Methods for Operational Modal Analysis 19 A Non-Hermitian Joint Diagonalization Based Blind Source Separation Algorithm for Operational Modal Analysis 20 Modal Identification from Nonstationary Ambient Vibration Data Using Random Decrement Algorithm 21 Symbolic Dynamics-Based Structural Health Monitoring 22 Estimating the Elastic Period of Masonry Towers 23 Operational Analysis in the Launch Environment 24 Non-Contact Operational Modal Analysis of an Optical Membrane for Space Application 25 Padding Dynamic Stiffness Using Impedance Modeling of Helmet-Head System 26 Dynamic Stiffness-Based Test Systems for Viscoelastic Material Characterization: Design Considerations 27 Fixed Base FRF Using Boundary Measurements as References: Analytical Derivation 28 Fixed Base FRF Using Boundary Measurements as References: Experimental Results 29 A Comparison of Multiple Impact Testing Methods 30 Advances in Six Degree of Freedom Vibration Testing 31 Converting a Slip Table Random Vibration Test to a Fixed Base Modal Analysis 32 Refinements on Estimating Fixed Base Modes on a Slip Table 33 A Frictionless Lightweight Active Vibration Control Mount for Small UAS 34 Embedded Active Vibration Cancellation of a Piston-Driven Cryocooler for Nuclear Spectroscopy Applications 35 Advanced Response Limiting Technique for Lightly Damped Structures 36 Active Control of Beam Vibration Using Non-Model Based Algorithm 37 Damage Identification Using Experimental Modal Analysis and Adaptive Neuro-Fuzzy Interface System (ANFIS) 38 Process Noise Identification and Observer Design for the Large Binocular Telescope 39 Modal Analysis of a Heliostat for Concentrating Solar Power 40 Extension of Subspace Identification to LPTV Systems: Application to Helicopters 41 Dynamic Characterization of Structural Joints Using FRF Decoupling 42 Kalman Filtering with Model Uncertainties 43 Ground Vibration Testing of the Predator B UAS with MTS Chin-Mount Structure 44 Acoustic Fluid-Structure Interaction of Cars and Ships (Tutorial) 45 Comparison of Modal Analysis Between Laser Vibrometry and NAH Measurements 46 System Identification in Rotating Structures Using Vibration and Modal Analysis 47 Some Considerations of Boundary Conditions in Dynamic Testing 48 Boundary Constrained Modal Test Method for Large Scale Highly Flexible Structures 49 A Comparison of Non-Parametric Techniques for FRF Estimation Using Pure Random Excitation 50 Exciter Impedance and Cross-Axis Sensor Sensitivity Issues in FRF Estimation 51 Modal Testing and FE Model Updating of a Lively Staircase Structure 52 Tracking the Evolution of Modal Properties of a Solid Propellant Launcher During Static Firing Test.

Biography

R. Allemang, University of Cincinnati, Cincinnati, USA. J. De Clerck, Michigan Technological University, Houghton, USA. C. Niezrecki, University Massachusetts Lowell, Lowell, USA. J.R. Blough, Michigan Technological University, Houghton, USA.