Topics in Modal Analysis II, Volume 6: Proceedings of the 30th IMAC, A Conference on Structural Dynamics, 2012 (Conference Proceedings of the Society for Experimental Mechanics Series Book 31)

Topics in Modal Analysis II, Volume 6: Proceedings of the 30th IMAC, A Conference and Exposition on Structural Dynamics, 2012, is the sixth volume of six from the Conference and brings together 65 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: Aerospace, Acoustics, Energy Harvesting, Shock and Vibration, Finite Element, Structural Health Monitoring, Biodynamics Experimental Techniques, Damage Detection, Rotating Machinery, Sports Equipment Dynamics, Aircraft/Aerospace. Front Matter....Pages i-x Multibody Dynamic Simulation of the Lunar Landing....Pages 1-5 Experimental and Numerical Approaches on Behavior of GLARE 5 Beams: Influences of Thickness and Stacking Sequence....Pages 7-16 A Spectrally Preconditioned Iterative Reduced Correction Algorithm for Vibro-acoustic Problems....Pages 17-33 Numerical and Experimental Study of Local Cell Resonators to Obtain Low-Frequency Vibrational Stopbands in Periodic Lightweight Structures....Pages 35-42 Identification of Material Parameters in Biot’s Model by the Homogenization Method....Pages 43-52 Piezoaeroelastic Typical Section for Wind Energy Harvesting....Pages 53-61 Nonlinear Testing and Models Comparison of Magneto-Mechanical Energy Scavengers....Pages 63-69 A Closed Form Solution to the Early-Time Underwater Explosion (UNDEX) Response of a Rectangular Air-Backed Ship Hull Panel....Pages 71-85 Passive Vibration Isolation and Absorber System for Earth Imaging from the International Space Station (ISS)....Pages 87-94 Pseudovelocity Modal Stress Velocity Proportionality....Pages 95-110 Numerical Modeling of One-Dimensional Wave Propagation in Non-Homogeneous Materials....Pages 111-127 Stiffness and Damping Characterisation for a Hydraulic Engine Mount....Pages 129-135 Characterization of Bio-Inspired Synthetic Hair Cell Sensors....Pages 137-152 Comparison of Noise Floors of Various Torsional Vibration Sensors....Pages 153-168 Identification of Wheel-Rail Contact Forces Based on Strain Measurement and Finite Element Model of the Rolling Wheel....Pages 169-177 Damage Detection in Steel Structures Using Bayesian Calibration Techniques....Pages 179-193 Modeshapes Recognition Using Fourier Descriptors: A Simple SHM Example....Pages 195-204 Fuzzy Cluster Analysis Methods Applied to Impedance Based Structural Health Monitoring for Damage Classification....Pages 205-212 Blade Bearing Friction Estimation of Operating Wind Turbines....Pages 213-220 3D Motion Analysis of Cycling Biodynamics for Setup, Efficency and Prevention of Insuries....Pages 221-226 Designing an Experiment Inspired by Cochlea for Travelling Waves Observation....Pages 227-234 In Vivo Measurement of the Human Thorax and Abdomen Surface Using Laser Vibrometry: A New Diagnostic Tool?....Pages 235-245 Use of Non Contact Radar Techniques to Dynamics Measurement Purposes....Pages 247-254 Selection of Reference Locations for Modal Testing....Pages 255-259 Evaluation of a Long Term Viable Dynamic Data Archive Format....Pages 261-267 Using High-Speed Stereophotogrammetry Techniques to Extract Shape Information from Wind Turbine/Rotor Operating Data....Pages 269-275 Surface Stitching of a Wind Turbine Blade Using Digital Image Correlation....Pages 277-284 Modal Testing Using Tracking-Interferometers....Pages 285-293 A Scenario-Based Damage Identification Framework....Pages 295-303 Bridge Scour Assessment Using Curvature of Horizontally Displaced Mode Shapes....Pages 305-311 Environmental Effects on Torsional Vibration Feature Health Monitoring....Pages 313-322 Experimental Damage Diagnosis of a Model Three-Story Spatial Frame....Pages 323-328 Detection of Shaft Cracks Using Vibration Signature Analysis....Pages 329-337 Separation of Sine and Random Components from Vibration Measurements....Pages 339-350 Post-Earthquake Damage Detection in Instrumented Buildings Using Identified Dissipated Energy....Pages 351-358 Ultrasonic Vibration Method for Damage Detection in Composite Aircraft Components....Pages 359-367 Reliability of Dynamically Measured Flexibility Matrix on Damage Detection of Frame Structures....Pages 369-376 Wavelet Based Mode Shape Analysis for Damage Detection....Pages 377-384 Application of FE Model Updating for Damage Assessment of FRP Composite Beam Structure....Pages 385-398 An Examination of Some Aspects of Factor Analysis in Damage Detection....Pages 399-404 The Use of Continuous System Identification for Evaluation of Concrete E-Modulus Evolution: Laboratory and Field Applications....Pages 405-412 Temperature Effect on Ballistic Impact of Woven Graphite/Epoxy Composites....Pages 413-425 Spatial Noise Component Identification Based on Different Vibro-Acoustic Data Sets....Pages 427-435 Improving Test Rig Performance Using Passive Components....Pages 437-442 Continuous Scanning LDV by Signal Re-sampling Method: A New Signal Processing Approach....Pages 443-452 Design of High Impedance Test Rig for Composite Structures Vibration Measurements....Pages 453-463 Technique to Measure the Dynamic Behavior of Road Bike Wheels....Pages 465-470 Sensor Nodes for the Dynamic Assessment of Alpine Skis....Pages 471-479 The Use of Stereo-Photogrammetry to Precisely Determine 3D-Positions, Motions and Deformations on Sports Equipment....Pages 481-486 Experimental Assessment of Bobsleigh Dynamics and Ice-Skate Contact Forces....Pages 487-498 Instrumented Rowing Machine for Optimized Training....Pages 499-506 An Experimental Study of Climbers Performances Based on Hand-Grip Force Measurement....Pages 507-513 Structural Analysis of the Effects of Wing Payload Pods on Small UAS....Pages 515-523 Response of Nuclear Containment Structure to Aircraft Crash....Pages 525-535 Application of Analytical Methods for Advanced Flight Flutter Test....Pages 537-549 A Novel Modal Combination Rule Under Multi-component Ground Motion....Pages 551-563 A Dynamic Model Tailored to Flexible Launch Vehicle Umbilical Analysis....Pages 565-579 A Novel Optimization Strategy for Command Shaping Control....Pages 581-588 Sensitivities of Eigenvalues and Eigenvectors from Complex Perturbations....Pages 589-593 A Review of Uncertainty Quantification of Estimation of Frequency Response Functions....Pages 595-601 Variability Improvement of Key Inaccurate Node Groups – VIKING....Pages 603-624 A Reduced Model Approximation Approach Using Model Updating Methodologies....Pages 625-636 Passive Noise Reduction Using the Modally Enhanced Dynamic Absorber....Pages 637-648 Identifying the Modes Excited in a Tennis Racket by a Forehand Drive....Pages 649-655 The Benefits of Duffing-type Nonlinearities and Electrical Optimisation of a Randomly Excited Energy Harvester....Pages 657-667