Special Topics in Structural Dynamics & Experimental Techniques, Volume 5 : Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics 2023 / edited by Matthew Allen, Jason Blough, Michael Mains.

Format:

Book

Contributor:

Allen, Matthew, editor.

Blough, Jason, editor.

Mains, Michael, editor.

Series:

Conference Proceedings of the Society for Experimental Mechanics Series, 2191-5652

Language:

English

Subjects (All):

Statics.

Multibody systems.

Vibration.

Mechanics, Applied.

Civil engineering.

Buildings--Design and construction.

Buildings.

Mechanical Statics and Structures.

Multibody Systems and Mechanical Vibrations.

Civil Engineering.

Engineering Mechanics.

Building Construction and Design.

Local Subjects:

Mechanical Statics and Structures.

Multibody Systems and Mechanical Vibrations.

Civil Engineering.

Engineering Mechanics.

Building Construction and Design.

Physical Description:

1 online resource (211 pages)

Edition:

1st ed. 2024.

Place of Publication:

Cham : Springer Nature Switzerland : Imprint: Springer, 2024.

Summary:

Special Topics in Structural Dynamics & Experimental Techniques, Volume 5: Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics, 2023, the fifth 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: Active Control Additive Manufacturing Experimental Techniques Finite Element Techniques Multifunction Structures Rotating Machinery System Identification.

Contents:

Intro

Preface

Contents

1 Damage Identification for Beam-Like Structures Based on Physics-Informed Neural Networks

1.1 Introduction

1.2 Methodology

1.2.1 Euler-Bernoulli Beam

1.2.2 PINNs for the Euler-Bernoulli Beam

1.2.3 Damage Identification Process

1.3 Numerical Investigation

1.3.1 Numerical Models of Two Cantilever Beams

1.3.2 Numerical Verification Process

1.3.3 Numerical Verification Results

1.4 Concluding Remarks

References

2 On the Study of Fatigue on Vulcanized Rubber Using Vibration Testing

2.1 Introduction

2.2 Transmissibility-Based Uni-axial Shaker Characterization

2.3 Testing Results

2.4 Conclusion

3 The Astir Glider Wing Dataset for Population-Based SHM

3.1 Introduction

3.2 The Glider Wings and Experimental Setup

3.3 Preliminary Analysis Methods

3.4 Results

3.5 Conclusions

4 Experimental Characterization of Structural Traveling Wave-Induced Thrust

4.1 Introduction

4.2 Beam FRF in Different Fluid Media

4.3 Fluid Velocity Measurements

4.4 Conclusions

5 Low-Frequency Vibrothermography Using Lightweight Piezoelectric Actuators: The Location of Excitation and Application to Composite Materials

5.1 Introduction

5.2 Location of Excitation

5.3 Experimental Verification with Modal Testing

5.4 Vibrothermographic Testing

5.5 Conclusion

6 Damage Assessment with Laser Ultrasonics in 3D-Printed Plate

6.1 Introduction

6.2 Experimental Setup

6.3 Methodology

6.4 Results

6.5 Conclusion

7 Parameter Investigation of Sensor Fixation Methods Compared with High-Quality Laser Measurement Using a Scalable Automatic Modal Hammer

7.1 Introduction

7.2 Materials and Methods

7.3 Experimental Results and Analysis

7.4 Conclusion and Outlook

References.

8 Iterative Learning Control Based on Force Measurements for Automatic Impulse Hammers

8.1 Introduction

8.2 Automatic Hammer System Description

8.2.1 Operating Principle

8.2.2 Force Measurement

8.2.3 Repeatability Study

8.3 Dynamic Model Description

8.4 Iterative Learning Control

8.4.1 Theory

8.4.2 Simulation of the ILC

8.4.3 Experimental Results

8.4.4 Discussion

8.5 Experimental Showcase: Nonlinear Structure

8.5.1 System Description

8.5.2 Duffing Oscillator Minimal Model

8.5.3 Experimental Results

8.5.4 Discussion

8.6 Summary

9 Experimental Slug Flow-Induced Fluid -Structure Interaction of a Pressurized Flexible Pipe

9.1 Introduction

9.2 Experimental Procedure

9.2.1 Test Matrix Design

9.2.2 Experimental Setup

9.3 Results

9.3.1 Flow Entering Riser

9.3.2 Pipe Motion

9.4 Conclusion

10 Deep Learning-Based Pixel-Level Colonoscopy Analysis

10.1 Introduction

10.2 Methodology

10.3 Analysis

10.4 Conclusion

11 Design and Integration of a Hydroelastic Solver in the Dynamic Model of a Scaled Marine Hydrokinetic Kite

11.1 Introduction

11.2 Methods

11.2.1 Kite Dynamic Model

11.2.2 Hydroelastic Model

11.2.3 Hydroelastic Model Integration into the Kite Dynamic Model

11.3 Analysis and Discussion

11.4 Conclusions

12 A Simplified Finite Element Joint Model Updated with Experimental Modal Features

12.1 Introduction

12.2 Experimental Modal Tests

12.2.1 Experimental Setup

12.2.2 Experimental Procedures

12.2.3 Experimental Results

12.3 Finite Element Modeling

12.3.1 Baseline Model

12.3.2 Parameterized Joint Model

12.3.3 Mesh Convergence Study

12.4 Model Updating

12.4.1 Updating Parameters

12.4.2 Space-Filling for FE Model Simulations

12.4.3 FE Surrogate Model.

12.4.4 Parameter Sensitivity Analysis

12.4.5 Bayesian Parameter Updating

12.5 Conclusions

12.6 Future Work

13 Efficient Methods for Flexibility Based Meso-scale Dynamic Modeling

13.1 Introduction

13.2 Analysis Framework

13.3 Results and Discussion

14 Micromechanics of Internal Frictions in Thermoplastic Composites Exposed to High-Frequency Vibrations

14.1 Introduction

14.2 Background

14.3 Analysis

14.4 Results

14.5 Conclusion

Appendix: Verification of the VCCT Model

15 Investigating Compressing Particle Damper Pockets in Beams Manufactured by Laser Powder Bed Fusion Additive Manufacturing

15.1 Introduction

15.2 Experiment Setup and Methodology

15.3 Results and Discussion

15.4 Conclusion

16 Additively Manufactured Component Characterization by Machine Learning from Resonance Inspection Techniques

16.1 Introduction

16.2 Background

16.3 Methodology

16.4 Analysis

16.5 Conclusion

17 Experimental Modal Analysis of an Additively Manufactured Model

17.1 Introduction

17.2 Methodology

17.2.1 Initial Concept 3.X Vehicle (IC3X)

17.2.2 Experimental Setup

17.2.2.1 Fiber Optical Strain Sensors

17.2.2.2 Experimental Modal Setup

17.2.3 Numerical Model

17.3 Results and Discussion

17.3.1 Updating the Young's Modulus of ABS

17.3.1.1 Geometry Update

17.3.2 Frequency Response Functions

17.4 Conclusion

18 Improving Dynamic Characteristics of Strain Gauge Load Cells Using Additive Manufacturing

18.1 Introduction

18.2 Design of the Load Cell Prototype

18.3 Static Calibration

18.4 Dynamic Characterization Experimental Setup

18.5 Dynamic Characterization Results

18.6 Conclusion

19 Niceclick: A New Frontier for Haptic Technologies.

19.1 Introduction

19.2 State of the Art on Tactile Perception

19.3 Niceclick Device

19.3.1 The Tactilometer

19.4 Experimental Tests

19.4.1 Static Analysis

19.4.2 Dynamic Analysis

19.5 Niceclick Applications in Haptic Interfaces and Conclusions

20 Simultaneous Passive Vibration Attenuation and Energy Harvesting on a Fan-Folded Piezometaelastic Structure

20.1 Introduction

20.2 Theory Review

20.3 Fan-Folded Model Verification

20.4 Fanfolded Metastructure Analysis

20.5 Conclusion

21 Induction Motor Diagnostics Using Vibration and Motor Current Signature Analysis

21.1 Introduction

21.2 Experimental Setup

21.3 Results and Discussion

21.3.1 Rolling Element Bearing Faults

21.3.2 Motor with Airgap Eccentric Rotor

21.3.3 Mechanical Imbalance

21.3.4 Motor with Broken Rotor Bar

22 Application of Synchronous Averaging for Detecting Defects of a Gearbox

22.1 Introduction

22.2 Test Setup

22.3 Test Results

22.3.1 Time Domain

22.3.2 Frequency Domain

22.4 Summary and Remarks

23 A Time-Variant/Invariant Equivalence for the Transient Response of Rotor Blades in Resonance Crossing

23.1 Introduction

23.2 Mathematical Model

23.3 Multiple Scales Solution of the Problem

23.4 Discussion and Illustration

23.5 Conclusion

Notes:

Includes bibliographical references.

ISBN:

87-438-0411-X

87-438-0043-2

3-031-37007-4

9788743804116

OCLC:

1528848854