Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8: Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016

Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8. Proceedings of the 34th IMAC, A Conference and Exposition on Dynamics of Multiphysical Systems: From Active Materials to Vibroacoustics, 2016, the eighth volume of ten from the 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: " Processing Modal Data " Rotating Machinery " Vibro Acoustics " Laser Vibrometry " Teaching Practices " Hybrid Testing " Reduced Order Modeling Front Matter....Pages i-ix Practical Techniques for Scaling of Optically Measured Operating Deflection Shapes....Pages 1-17 Prediction of the Coupled Impedance from Frequency Response Data....Pages 19-25 Real-Time State Detection in Highly Dynamic Systems....Pages 27-34 Stereo-DIC Measurements of Thermal Gradient Effects on the Vibratory Response of Metals....Pages 35-41 Modal Testing of a Nose Cone Using Three-Dimensional Scanning Laser Doppler Vibrometry....Pages 43-55 A Mathematical Model for Determining the Pose of a SLDV....Pages 57-73 Operational Modal Analysis with a 3D Laser Vibrometer Without External Reference....Pages 75-85 Scanning LDV Measurement Technology for Vibration Fatigue Testing....Pages 87-94 Optically Detecting Wavefronts and Wave Speeds in Water Using Refracto-Vibrometry....Pages 95-103 Stochastic Wavenumber Estimation: Damage Detection Through Simulated Guided Lamb Waves....Pages 105-126 Use of Continuous Scanning LDV for Diagnostics....Pages 127-137 A Cost Effective DIC System for Measuring Structural Vibrations....Pages 139-146 Teaching DSP and Dynamic Measurements at the Graduate Level at Michigan Technological University....Pages 147-153 Flipping the Classroom for a Class on Experimental Vibration Analysis....Pages 155-159 Lessons Learned from Operational Modal Analysis Courses at the University of Molise....Pages 161-167 Authentic Engineering Assignments for an Undergraduate Vibration Laboratory Class....Pages 169-175 Vibration and Acoustic Analysis of Acoustic Guitar in Consideration of Transient Sound....Pages 177-186 Demarcation for the Coupling Strength in the MODENA Approach....Pages 187-195 Vibro-Acoustic Modal Model of a Traction Motor for Railway Applications....Pages 197-208 Operational Deflection Shapes of a PWM-Fed Traction Motor....Pages 209-217 Acoustic Fatigue and Dynamic Behavior of Composite Panels Under Acoustic Excitation....Pages 219-229 Evaluation of Microphone Density for Finite Element Source Inversion Simulation of a Laboratory Acoustic Test....Pages 231-242 Experimental Mapping of the Acoustic Field Generated by Ultrasonic Transducers....Pages 243-254 Enhanced Spin-Down Diagnostics for Nondestructive Evaluation of High-Value Systems....Pages 255-265 Performing Direct-Field Acoustic Test Environments on a Sandia Flight System to Provide Data for Finite Element Simulation....Pages 267-279 Smooth Complex Orthogonal Decomposition Applied to Traveling Waves in Elastic Media....Pages 281-293 Subspace Algorithms in Modal Parameter Estimation for Operational Modal Analysis: Perspectives and Practices....Pages 295-301 An Application of Multivariate Empirical Mode Decomposition Towards Structural Modal Identification....Pages 303-309 Dynamic Characterization of Milling Plant Columns....Pages 311-321 Mixed Force and Displacement Control for Base-Isolation Bearings in RTHS....Pages 323-332 Leveraging Hybrid Simulation for Vibration-Based Damage Detection Studies....Pages 333-341 Real Time Hybrid Simulation with Online Model Updating on Highly Nonlinear Device....Pages 343-350 Discrete-Time Compensation Technique for Real-Time Hybrid Simulation....Pages 351-358 Evaluating the Effectiveness of a Lodengraf Damping Approach for String Trimmers....Pages 359-374 Using Operating Data to Locate and Quantify Unbalance in Rotating Machinery....Pages 375-386 Gear Dynamics Characterization by Using Order-Based Modal Analysis....Pages 387-404 A Design Framework to Improve the Dynamic Characteristics of Double Planet Planetary Gearsets....Pages 405-416 Dynamics and Pareto Optimization of a Generic Synchronizer Mechanism....Pages 417-425 Modeling and Characterization of a Flexible Rotor Supported by AMB....Pages 427-435 Nonlinear Reduced Order Modeling of a Curved Axi-Symmetric Perforated Plate: Comparison with Experiments....Pages 437-445 Reduced Order Models for Systems with Disparate Spatial and Temporal Scales....Pages 447-455 Using NNMs to Evaluate Reduced Order Models of Curved Beam....Pages 457-469 Simulation of Rotor Damping Assembled by Disc Shrink Fits....Pages 471-480 Developments in the Prediction of Full Field Dynamics in the Nonlinear Forced Response of Reduced Order System Models....Pages 481-508 On the Behaviour of Structures with Many Nonlinear Elements....Pages 509-520 Estimation of Instantaneous Speed for Rotating Systems: New Processing Techniques....Pages 521-535 Identification of Breathing Cracked Shaft Models from Measurements....Pages 537-543