Topics in Modal Analysis I, Volume 7

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

  Includes supplementary material: sn.pub/extras

  Klappentext

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

Inhalt

Infant Brain Response Against Shaking Vibration Using Finite Element Analysis.- Integrity Assessment of Pickup Vehicle Occupants in Rollover Situation Considering Internal ROPS Device: A Numerical Approach.- Rated Life Calculation Potential of Gearbox Model Based Force Estimates.- Electromechanical Impedance Based Crack Detection for a Rotating Machine.- Wind Turbine Gearbox Dynamic Characterization using Operational Modal Analysis.- Mode Classification & Dynamic Analysis of Coupled "Motor-Compressor-Flexible-Foundation" Structures.- Reconstructing Forces From Continuous Connections Using SWAT.- Modal Analysis of Rotating Wind Turbine Using Multiblade Coordinate Transformation and Harmonic Power Spectrum.- Lateral Vibrations in High Speed Over Critical Drive Train Systems.- Vibration Energy Trending and Speed-frequency Transformation in Run-up/ Coast-down Tests.- Vibration Mitigation on Engine Test Stands Using Conventional Analysis Techniques.- Dynamic Modeling and Vibration Analysis of Oilwell Drillstring During Backreaming Operation.- Torsional Damping Identification in Rotating Machinery.- Numerical and Experimental Dynamic System Identification for the Development of Operational Modal Analysis in a Physics-Based Diagnostic/Prognostic Model.- The Influence of Loading Conditions on the Static Coefficient of Friction - A Study on Brake Creep Groan.- Linear Superposition and Modal Participation.- Un-Weighted And Weighted Versions Of The Modal Assurance Criterion (MAC) for Evaluation Of Modal Vector Contamination.- Modal Properties of Rotating Shafts With Order-tuned Absorbers.- Structural Modal Identification Through High Speed Camera Video: Motion Magnification.- Operational Modal Analysis With Photo Images From Low Speed Digital Camera.- Recovery of Mode Shapes From Continuous Scanning Laser Doppler Vibration Data: A Mode Matching Frequency Domain Approach.- A Compact Device for Measuring Rigid-Body Properties Based on Five Unscaled Modes.- Three-Dimensional Modal Parameters of Tire.- Hybrid EMA/OMA Data Collection/Reduction for Improved Modal Characterization.- Numerical and Experimental Determination of Nonlinear Normal Modes of a Circular Perforated Plate.- Experiment of Vibration Isolation Characteristics of a Periodic Curved Beam.- Investigation on Damping of a Host Structure Induced by Attached Cables.- Effect of Structural Damping on Vibrations Transmitted to Road Cyclists.- Statistical Approach for Active Buckling Control With Uncertainty.- An Overview of the Technology, History, and Application of Vibro-Acoustic Coupling.- EMA-BEM-NAH-SEA Path to a Dynamic Filter Model for Violin Radiativity.- Coupled Vibro-Acoustic Model of the Titian Stradivari Violin.- Vibrational Response of Elastic Membranes Coupled to Acoustic Fluids Using a BEM-BEM Formulation.- Parametric Study Of A Continuous Scanning Method Used to Characterize An Acoustic Field.