Topics in Modal Analysis & Testing, Volume 9: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018

Topics in Modal Analysis & Testing, Volume 9: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics, 2018, the ninth volume of nine 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 Modal Analysis, including papers on: Operational Modal & Modal Analysis Applications Experimental Techniques Modal Analysis, Measurements & Parameter Estimation Modal Vectors & Modeling Basics of Modal Analysis Additive Manufacturing & Modal Testing of Printed Parts.

Table of Contents:
Preface 1 Stochastic Modal Appropriation (SMA) 2 Derivation of Six Degree of Freedom Shaker Inputs Using Sub-structuring Techniques 3 Forced Response of 2-Dof Gyroscopic Systems with Stable Eigenvalues 4 Modal Testing of a Composite Bladed Disc Using Travelling Wave Excitation Method 5 Simulation of the Dynamic Behavior of a Bi-Cable Ropeway with Modal Bases 6 Influence of Noise in Correlation Function Estimates for Operational Modal Analysis 7 Comparison of Two (Geometric) Algorithms for Auto OMA 8 Operational Modal Analysis on Wind Turbine Hub 9 The Influence of Edge Boundary Conditions and Cracks on Vibrational Modes of Multilayer Ceramic Capacitors 10 The Cross Spectrum in Multiple Input Multiple Response Vibration Testing 11 A Systematic Evaluation of Test Specification Derivation Methods for Multi-axis Vibration Testing 12 Designing Hardware for the Boundary Condition Round Robin Challenge 13 Modal Comparison of Stock and Performance Brake Rotors 14 On the Veering Phenomenon Potential in High Speed Gears Design 15 Modal Truncation in Experimental Modal Analysis 16 Combined Mechanical Environments for Design and Qualification 17 Comparing Free-Free and Shaker Table Model Correlation Methods Using Jim Beam 18 Real-Time Hybrid Testing: Challenges and Experiences from a Teaching Point of View 19 Comparison of Computational Generalized and Standard Eigenvalue Solutions of Rotating Systems 20 Residual States for Modal Models Identified from Accelerance Data 21 Comparison of Time-Domain Objective Functions in Dynamic Fixture Optimization 22 Advanced Hammer Excitation Technique for Impact Modal Testing on Lightweight Materials Using Scalable Automatic Modal Hammer 23 Evaluation of MIMO Input Derivations and Their Physical Context 24 Using Modal Substructuring to Improve Shock & Vibration Qualification 25 Off-Axis Input Characterization of Random Vibration Laboratory Data for Model Credibility 26 Modal Analysis of a Brake-Ruess Beam and Computational Modeling at the Undergraduate Level 27 A Primer on Multiple Degree of Freedom Vibration Test for Aerospace and Military Applications 28 A Study on the Generation and Propagation of Traveling Waves in Strings 29 A Color-Coded Complex Mode Indicator Function for Selecting a Final Mode Set 30 Using Manual Excitation for Large Displacement on a Highly Damped System 31 Traveling Wave Generation on a Clamped, Thin Plate with Flush-Mounted Piezoelectric Actuators 32 Experimental Modal Analysis of an Aircraft Fuselage Panel: Part II 33 Combining Virtual Simulation with Hands-on Experiments for Teaching Mechanical Vibrations 34 Finite Element Model Updating Using the Local Correspondence Principle 35 Approximate General Responses of Tuned and Mistuned 4-Degree-of-Freedom Systems with Parametric Stiffness 36 Modal Analysis of a Vertical-Axis Darrieus Wind Turbine Blade with a Troposkein Shape 37 Floquet-Type Analysis of Transient Vibrations of a Horizontal Axis Wind Turbine 38 Evaluation of Traveling Wave Models for Carangiform Swimming Based on Complex Modes 39 Application of Frequency Domain Decomposition Identification Technique to Half Spectral Densities 40 Modal Survey of the MPCV Orion European Service Module Structural Test Article Using a Multi-axis Shake Table 41 Modal Analysis of Healthy and Cracked Isotropic Plates in Peridynamics 42 Initial Modal Results and Operating Data Acquisition of Shock/Vibration Fixture 43 Effects of Variable Thickness Circular Plates on Frequency Response Functions and Shock Response Spectrum Jones 44 Inverse Force Estimation for Resonant Shock Plate Application.