Topics in Modal Analysis I, Volume 7: Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014 (Conference Proceedings of the Society for Experimental Mechanics Series)

This seventh volume of eight from the IMAC - XXXII Conference, brings together 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: * Linear Systems * Substructure Modelling * Adaptive Structures * Experimental Techniques * Analytical Methods * Damage Detection * Damping of Materials & Members * Modal Parameter Identification * Modal Testing Methods * System Identification * Active Control * Modal Parameter Estimation * Processing Modal Data Front Matter....Pages i-ix Infant Brain Response Against Shaking Vibration Using Finite Element Analysis....Pages 1-11 Integrity Assessment of Pickup Vehicle Occupants in Rollover Situation Considering Internal ROPS Device: A Numerical Approach....Pages 13-21 Rated Life Calculation Potential of Gearbox Model Based Force Estimates....Pages 23-29 Electromechanical Impedance Based Crack Detection for a Rotating Machine....Pages 31-40 Wind Turbine Gearbox Dynamic Characterization Using Operational Modal Analysis....Pages 41-52 Mode Classification and Dynamic Analysis of Coupled “Motor-Compressor-Flexible-Foundation” Structures....Pages 53-64 Reconstructing Forces from Continuous Connections Using SWAT....Pages 65-75 Modal Analysis of Rotating Wind Turbine Using Multiblade Coordinate Transformation and Harmonic Power Spectrum....Pages 77-92 Lateral Vibrations in High Speed Over Critical Drive Train Systems....Pages 93-100 Vibration Energy Trending and Speed-Frequency Transformation in Run-Up/Coast-Down Tests....Pages 101-108 Vibration Mitigation on Engine Test Stands Using Conventional Analysis Techniques....Pages 109-121 Dynamic Modeling and Vibration Analysis of Oilwell Drillstring During Backreaming Operation....Pages 123-131 Torsional Damping Identification in Rotating Machinery....Pages 133-139 Numerical and Experimental Dynamic System Identification for the Development of Operational Modal Analysis in a Physics-Based Diagnostic/Prognostic Model....Pages 141-148 The Influence of Loading Conditions on the Static Coefficient of Friction: A Study on Brake Creep Groan....Pages 149-160 Linear Superposition and Modal Participation....Pages 161-172 Un-weighted and Weighted Versions of the Modal Assurance Criterion (MAC) for Evaluation of Modal Vector Contamination....Pages 173-180 Modal Properties of Rotating Shafts with Order-Tuned Absorbers....Pages 181-189 Structural Modal Identification Through High Speed Camera Video: Motion Magnification....Pages 191-197 Operational Modal Analysis with Photo Images from Low Speed Digital Camera....Pages 199-205 Recovery of Mode Shapes from Continuous Scanning Laser Doppler Vibration Data: A Mode Matching Frequency Domain Approach....Pages 207-213 A Compact Device for Measuring Rigid-Body Properties Based on Five Unscaled Modes....Pages 215-224 Three-Dimensional Modal Parameters of Tire....Pages 225-230 Hybrid EMA/OMA Data Collection/Reduction for Improved Modal Characterization....Pages 231-238 Numerical and Experimental Determination of Nonlinear Normal Modes of a Circular Perforated Plate....Pages 239-251 Experimental Identification of a System Containing Geometric Nonlinearities....Pages 253-260 Experiment of Vibration Isolation Characteristics of a Periodic Curved Beam....Pages 261-267 Investigation on Damping of a Host Structure Induced by Attached Cables....Pages 269-281 Effect of Structural Damping on Vibrations Transmitted to Road Cyclists....Pages 283-290 Statistical approach for active buckling control with uncertainty....Pages 291-297 An Overview of the Technology, History, and Application of Vibro-Acoustic Coupling....Pages 299-306 EMA-BEM-NAH-SEA Path to a Dynamic Filter Model for Violin Radiativity....Pages 307-315 Coupled Vibro-Acoustic Model of the Titian Stradivari Violin....Pages 317-332 Vibrational Response of Elastic Membranes Coupled to Acoustic Fluids Using a BEM–BEM Formulation....Pages 333-340 Parametric Study of a Continuous Scanning Method Used to Characterize an Acoustic Field....Pages 341-349 This critical collection examines a range of topics in modal analysis, from experimental techniques to acoustics to biodynamics, as presented in early findings and case studies from the Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. The collection includes papers in the following general technical research areas: · Experimental Techniques · Processing Modal Data · Rotating Machinery · Acoustics · Adaptive Structures · Biodynamics · Damping