Topics in Modal Analysis & Testing, Volume 9

Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018

Michael Mains, Brandon J. Dilworth

• Publisher: River Publishers
• Year: 2025
• eBook ISBN:
  9781040601464
• Topic: Technology & Engineering
• Index: Technology & Engineering

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

• Cover
• Series Page
• Title Page
• Copyright Page
• Preface
• Table of Contents
• 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
• 44 Inverse Force Estimation for Resonant Shock Plate Application