Topics in Modal Analysis I, Volume 5: Proceedings of the 30th IMAC, A Conference on Structural Dynamics, 2012 (Conference Proceedings of the Society for Experimental Mechanics Series)

__Topics in Modal Analysis I, Volume 5. Proceedings of the 30^th^ IMAC, A Conference and Exposition on Structural Dynamics, 2012,__ the fifth volume of six from the Conference, brings together 53 contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Structural Dynamics, including papers on: Modal Parameter Identification Damping of Materials and Members New Methods Structural Health Monitoring Processing Modal Data Operational Modal Analysis Damping Excitation Methods Active Control Damage Detection for Civil Structures System Identification: Applications 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 Topics in Modal Analysis I, Volume 5. Proceedings of the 30 th IMAC, A Conference and Exposition on Structural Dynamics, 2012, the fifth volume of six from the Conference, brings together 53 contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Structural Dynamics, including papers on: Modal Parameter Identification Damping of Materials and Members New Methods Structural Health Monitoring Processing Modal Data Operational Modal Analysis Damping Excitation Methods Active Control Damage Detection for Civil Structures System Identification: Applications