Recent Trends in Wave Mechanics and Vibrations

Name: Recent Trends in Wave Mechanics and Vibrations | Proceedings of WMVC 2022
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Proceedings of WMVC 2022

Zuzana Dimitrovová Paritosh Biswas Rodrigo Gonçalves Tiago Silva(Herausgeber*in)

Springer (Verlag)

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Erschienen am 6. Oktober 2022

XXI, 1234 Seiten

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Inhalt

Intro
Preface
Contents
Keynote Lecture
Vibration of Flexible Robots: A Theoretical Perspective
1 Introduction
2 Perpetual Vibration of Flexible Robots: Modeling Fundamentals
3 Run-time Vibration Under Inherent Flexibility
4 Source Term and Characteristics of Run-time Data on Vibration
5 Preludes to the Experimental Investigation of Vibration of Flexible Robots
6 Conclusions
References
ABM: Advanced Beam Models
GBT-based Vibration Analysis of Cracked Steel-Concrete Composite Beams
1 Introduction
2 The Proposed Finite Element
3 Illustrative Example
4 Concluding Remarks
References
Projection Approach to Spectral Analysis of Thin Axially Symmetric Elastic Solids
1 Introduction
2 Natural Vibrations of an Elastic Rod
3 Numerical Analysis of Vibrations
4 Conclusions
References
AIM: Advances in Impact Mechanics and Computational Sciences
Dynamic Response of a Reinforced Concrete Column Under Axial Shock Impact
1 Introduction
2 Models and Methods
2.1 Modeling the Object of Study, Loads and Actions
2.2 Analytical Solution of the Dynamic Buckling Problem
3 Results and Discussion
4 Conclusion
References
Energy Absorption Characteristics of Aluminium Alloy Tubes Subjected to Quasi-static Axial Load
1 Introduction
2 Materials and Methods
2.1 Geometry
2.2 Material Properties
2.3 Crashworthiness Performance Indicators
2.4 Finite Element Model
2.5 Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS)
3 Results and Discussion
3.1 Validation of the Finite Element Model with Previous Work
3.2 Crashworthiness Performance of Circular Aluminium Alloy Tubes
3.3 Identifying the Suitable Aluminium Alloy to be Used for Crash-box
4 Conclusions
References
Estimation on Accuracy of Compressive and Tensile Damage Parameters of Concrete Damage Plasticity Model
1 Introduction
2 Stress-Strain Relationship Under Compression and Tension
3 Numerical Modelling and Experimental Setup
3.1 Experimental Setup
3.2 Constitutive Modelling
3.3 Numerical Modelling
4 Results and Discussions
4.1 Static Loading
4.2 Dynamic Loading
5 Conclusions
References
Influence of Constitutive Models on the Behaviour of Clay Brick Masonry Walls Against Multi Hit Impact Loading
1 Introduction
2 Experimental Investigation
3 Constitutive Behaviour and Numerical Modelling
3.1 Drucker Prager Constitutive Behaviour
3.2 Mohr Coulomb Constitutive Behaviour
3.3 Concrete Damage Plasticity Constitutive Behaviour
3.4 Brick Mortar Interface Constitutive Behaviour
4 Numerical Modelling and Mesh Convergence
5 Comparison of Experiment and FE Simulation Results
6 Conclusion
References
CEW: Computational Efficiency in Wave Propagation and Structural Dynamics Analyses
Effect of Solid Dust Particles on the Propagation of Magnetogasdynamical Shock Waves in a Non-ideal Gas with Monochromatic Radiation
1 Introduction
2 Ruling Equations
3 Self-Similarity Transformations
4 Results and Discussion
4.1 Upshot of the Existence of the Magnetic Field:
4.2 Upshot of the Intensifying Non-idealness Parameter of the Gas ( b)
5 Conclusion
References
Seismic Vulnerability Assessment of Old Brick Masonry Buildings: A Case Study of Dhulikhel
1 Introduction
2 Traditional Buildings in Dhulikhel: General Features and Structural System
3 Case Study: Representative Building in Dhulikhel
4 Numerical Modelling
5 Analysis and Seismic Vulnerability Assessment
6 Results and Discussions
7 Conclusions
References
Test of an Idea for Improving the Efficiency of Nonlinear Time History Analyses When Implemented in Seismic Analysis According to NZS 1170.5:2004
1 Introduction
2 Theory in Brief
3 Numerical Investigation
3.1 Preliminary Notes
3.2 The Example
4 Discussion
5 Conclusions
References
DBM: Dynamics of Bridge Structures - Mathematical Modelling and Monitoring
Development of a Remote and Low-Cost Bridge Monitoring System
1 Introduction
2 Methodology
2.1 Object of Study
2.2 Finite Element Model
2.3 BIM Model
2.4 Proposed Monitoring System
3 Results and Discussion
4 Conclusion
References
Fractional Mass-Spring-Damper System Described by Conformable Fractional Differential Transform Method
1 Introduction
2 Problem Formulation for Mass-Spring Damper System
3 Results and Analysis
4 Conclusion
References
Pushover Analysis Accounting for Torsional Dynamic Amplifications for Pile-Supported Wharves
1 Introduction
2 Case Study
3 Materials and Methods
3.1 Materials
3.2 Methodology
4 Analyses and Results
5 Conclusions
References
Service Life Assessment of Steel Girder Bridge Under Actual Truck Traffic
1 Introduction
2 Bridge Deck and Girder Geometry
3 Fatigue Truck Model
4 Actual Truck Traffic Database
5 Finite Element Modelling
6 Model Validation
7 Evaluation of Bridge Service Life
8 Summary and Conclusions
References
DHM: Dynamics and Control in Human-Machine Interactive Systems
A Two-Dimensional Model to Simulate the Effects of Ankle Joint Misalignments in Ankle-Foot Orthoses
1 Introduction
2 Methodology
2.1 Model Description
2.2 Mathematical Formulation
2.3 Ankle Joint Misalignment Cases
3 Results
4 Discussion
5 Conclusions
References
DIM: Direct and Inverse Methods for Wave Propagation Prediction
Theorical Modelling of Longitudinal Wave Propagation Emitted by a Tunnel Boring Machine in a Finite Domain
1 Introduction
2 Tunnel Excavation in Lyon, France
2.1 Presentation of the Site
2.2 Instrumentation and Acquisition
3 Geometry of the Domain
4 Formulation of the Problem
4.1 Materials
4.2 Modelling the Dynamic Sollicitation
4.3 Boundary Conditions
4.4 Interfaces
4.5 Initial Conditions
4.6 Balance of the Problem
5 Conclusion
References
Ultrasonic Wave Propagation in Imperfect Concrete Structures: XFEM Simulation and Experiments
1 Introduction
2 Wave Propagation Using Dynamic XFEM Formulations
2.1 Constitutive Mechanical Equations
2.2 Enrichment Scheme
2.3 Mass Lumping Technique
2.4 Absorbed Boundary Conditions
3 Experiments
4 Results and Discussion
5 Conclusion
References
Vibration Analysis of Pressurized and Rotating Cylindrical Shells by Rayleigh-Ritz Method
1 Introduction
2 Strain and Kinetic Energy
3 Strain and Kinetic Energy Condensed to Shell Cross-Section
4 Stiffness and Mass Matrices
4.1 Stiffness Matrix
4.2 Geometric Stiffness Matrix
4.3 Mass Matrices
5 Matrix Equation of Motion
6 Boundary Conditions and Coordinate Functions
6.1 Free Cylindrical Shell
6.2 Clamped Cylindrical Shell
6.3 Simply-Supported Cylindrical Shell
7 Illustrative Numerical Examples
7.1 Free Cylindrical Shell
7.2 Clamped Cylindrical Shell
7.3 Simply-Supported Cylindrical Shell
8 Conclusion
References
DSP: Dynamic Stability, Deterministic, Chaotic and Random Post-critical States
Analytical Solution of the Problem of Free Vibrations of a Plate Lying on a Variable Elastic Foundation
1 Introduction
2 Review of Research and Publications
3 Research Results
4 Conclusions
References
Dynamic Mixed Problem of Elasticity for a Rectangular Domain
1 Introduction
2 Statement of the Problem
3 Solving the Problem
4 Conclusions
5 Numerical Results
References
Free Flexural Axisymmetric Vibrations of Generalized Circular Sandwich Plate
1 Introduction
2 Analytical Model of the Circular Sandwich Plate
3 Analytical Solution of the Free Flexural Axisymmetric Vibration of the Plate
3.1 Circular Sandwich Plate with Simply Supported Edge
3.2 Circular Sandwich Plate with Clamped Edge
4 Conclusions
References
FVF: Forced Vibrations in Structures and Vibration Fatigue
Estimation of Fatigue Crack Growth at Transverse Vibrations of a Steam Turbine Shaft
1 Introduction
2 Simulation of the Crack Growth Process
3 Effect of Operating Factors on Crack Growth
4 Conclusions
References
Forced Vibration of Bus Bodyworks and Estimates of Their Fatigue Damage
1 Introduction
2 Load Cases
3 Case Study
3.1 S-N Line
3.2 Stress Spectra
3.3 Fatigue Life Calculations
4 Conclusions
References
Integrated Force Shaping and Optimized Mechanical Design in Underactuated Linear Vibratory Feeders
1 Introduction
2 Theoretical Background
2.1 Model of the Underactuated Linear Vibratory Feeder
2.2 Underactuation Issues: The Subspace of the Allowable Motion
2.3 The Force Shaping Strategy
2.4 Selection of the Structural Modification Through Sensitivity Analysis
3 Application of the Integrated Method
3.1 Numerical Simulations
3.2 The MSC Adams Multibody Simulator: Analysis of the Parts Flow
4 Conclusions
References
Modal Properties and Modal-Coupling in the Wind Turbines Vibrational Characteristics*-6pt
1 Introduction
2 Spectral Element Method
2.1 Beam Spectral Element
2.2 Formulation of the Spectral Tower Model
3 Numerical Results
4 Final Remarks
References
New Model to Characterize the Cyclostationarity of Walking and Running Biomechanical Signals
1 Introduction
2 The Random Slope Modulation (RSM Model)
3 Introduction to VGRF Signal and Its Components
3.1 Synchronous Mean and Synchronous Variance
4 Methodology
5 Results and Discussions
6 Conclusion
References
Numerical and Experimental Study of Forced Undamped Vibrations of 2DOF Discrete Systems from Seismic Impact
1 Introduction
2 Dynamic Study of Forced Undamped Vibrations of 2DOF Discrete Systems from Seismic Impact
2.1 Dynamic Model
2.2 Mathematical Model
2.3 Numerical Solution
2.4 Animation of the Motion
2.5 Experimental Study
3 Transformation of Vibrating Two-Stories One-Bay Structures into a Discrete System with Two Degrees of Freedom
4 Conclusion
References
Optimal LQR Control for Longitudinal Vibrations of an Elastic Rod Actuated by Distributed and Boundary Inputs
1 Introduction
2 Mechanical System
2.1 Control Problem
2.2 Controlled Groups for a Uniform Rod
3 Transforming the Cost Function
4 Controlling a Finite-Dimensional Approximation
4.1 Feedback Optimal and Suboptimal Controls
5 Example of Control
5.1 Numerical Results
5.2 Discussion
6 Conclusions
References
Receptance-Based Robust Assignment of Natural Frequency in Vibration Systems
1 Introduction
2 Method Formulation
2.1 Receptance-Based Structural Modification
2.2 Sensitivity-Based Robust Assignment of Natural Frequency
3 Numerical Assessment
4 Conclusion
References
GVB: Ground Vibration
Application of an Indirect Trefftz Method (Wave Based Method) for the Spectral Analysis of 2D Unbounded Saturated Porous Media
1 Introduction
2 Problem Definition
3 Application of the Wave Based Method
4 Numerical Examples
4.1 Description of the 2D Boundary Value Problem
4.2 Average Displacement Amplitude
4.3 Influence of the Hydraulic Conductivity kc
5 Conclusion
References
Influence of Foundations Type on Traffic-induced Vibration Assessment Using an Experimental/Numerical Hybrid Methodology
1 Introduction
1.1 Hybrid Experimental/Numerical Methodology
2 Numerical Study
2.1 Influence of Foundation Types on the Building Response
2.2 Influence of Foundation Types on the Accuracy of the Hybrid Methodology
3 Conclusions
References
In-situ Measurements Frequency Analysis at a Site Scale. Application to Vibrations Induced by Tunnel Boring Machines
1 Introduction
2 Individual and Site Frequency Analysis
2.1 Assumptions on the Signals
2.2 Power Spectrum
2.3 Frequency Domain Decomposition
3 Application to Tunnel Excavation in Lyon, France
3.1 Presentation of the Two Sites
3.2 Instrumentation and Acquisition
3.3 Representative Site Spectra
4 Conclusion
References
SSI Effect in Two Mining Regions for Low-Rise Traditional Buildings
1 Introduction
2 Buildings Investigated and the Scope of the Long-Term Monitoring
3 Ratio of Response Spectra Depending on Rockburst Parameters
4 Conclusions
References
Validation of Periodic 3D Numerical Method for Analysis of Ground-Borne Vibrations
1 Introduction
2 Methods
3 Results
3.1 Stationary Load Analysis
3.2 Moving Load Analysis
4 Conclusions and Contributions
References
Wave Propagation from Hammer, Vibrator and Railway Excitation - Theoretical and Measured Attenuation in Space and Frequency Domain
1 Theoretical Background of Wave Propagation and Attenuation
1.1 The Geometrical Wave Attenuation and the Hysteretical Damping of the Soil
1.2 Layering of the Soil
1.3 Railway Specific Attenuation and Filter Effects
1.4 Effects of a Randomly Heterogeneous Soil
2 Measurements and Evaluation of the Attenuation Laws
3 Discussion of the Attenuation Laws and Conclusion
References
IDF: Dynamic Response of Structures Interacting with Dense Fluids for Industrial Applications
Prediction of the Resonance Frequency of the Pipe Carrying Fluid Relative to the Fluid Velocity
1 Introduction
2 Theoretical Approach
3 Experimental Work
4 Real Case Study
5 Results and Discussions
6 Conclusions
References
The Pseudo-static Axisymmetric Problem for a Poroelastic Cylinder
1 Introduction
2 The Statement of the Problem
3 The Reduction to the One-Dimensional Problem
4 The Solving of the One-Dimensional Vector Boundary Problem
5 The Inversion of Derived Transforms
6 Conclusions
References
MCA: Modeling, Simulation and Control of the Dynamical Behavior of Aerospace Structures
Development of a Modular Metal Pallet for Transportation and Stationary Conditions: Numerical Analyses and Experimental Characterizations
1 Introduction
2 Case Study
3 Analyses and Results
3.1 Design and FEM Models
3.2 Experimental Validations
4 Life Cycle Analysis (LCA)
5 Conclusions
References
An FRF-Based Interval Multi-objective Model Updating Method for Uncertain Vibration Systems
1 Introduction
2 Method Description
2.1 Theory of the Model Updating
2.2 Uncertain Dynamic System and Interval Algorithm
2.3 Model Updating Method Based on the NSGA-II Algorithm
3 Method Assessment
4 Conclusion
References
Numerical Evaluation of Parametric Updating by Genetic Algorithm Implementation
1 Introduction
2 Genetic Algorithm (GA) Optimization
3 Fitness Function for Parameters Identification
4 Results
4.1 Numerical Cantilever Beam
4.2 Experimental Free-Free Beam
5 Conclusion
References
Sensitivity Analysis Regarding the Impact of Intentional Mistuning on Blisk Vibrations
1 Numerical and Experimental Analyses of the Blisk
2 Investigation of Intentional Mistuning
3 Fatigue Life Prediction
4 Conclusion
References
NDC: Nonlinear Dynamics and Control of Engineering Systems
A Comparative Quantification of Existing Creep Models for Piezoactuators
1 Introduction
2 Creep Models
2.1 Integer-Order Logarithmic Model
2.2 Integer-Order Linear Time Invariant (LTI) Model
2.3 Fractional-Order Double Logarithmic Model
3 Experimental Validation and Comparative Quantification
3.1 Experimental Setup
3.2 Simulation Results
4 Conclusions
References
Adaptive Time-Delayed Feedback Control Applied to a Vibro-Impact System
1 Introduction
2 Adaptive Gain Time-Delayed Feedback Control Method
3 System Modelling Using Dynamics
4 Control
5 Conclusions
References
Constrained Control of Impact Oscillator with Delay
1 Introduction and Motivation
1.1 State-of-the-Art in Exchange Impacting and Non-impacting Attractors
2 System Dynamics and Coexisting Attractors
2.1 Closed-Loop Control
3 Time Delay and Constraint
4 Concluding Remarks
References
Deployment Feasibility Studies of Variable Buoyancy Anchors for Floating Wind Applications
1 Introduction
2 Literature Review
2.1 Floating Offshore Wind Turbines
2.2 Anchor Deployment
2.3 Flow Characteristics and Weather Window
3 Methodology
4 Results
4.1 Buoyancy
4.2 Positioning
4.3 Descent
5 Conclusions
References
Dynamic Response Analysis of Combined Vibrations of Top Tensioned Marine Risers
1 Introduction
2 Modelling and Methodology
2.1 Model of the Structure Motion
2.2 The van der Pol Oscillator Model for the Fluid Force
2.3 Coupled Model of the TTR
2.4 The Galerkin Approximation
3 Numerical Analysis
4 Conclusions
References
Dynamical Analysis of Pure Sliding and Stick-Slip Effect with a Random Field Friction Model
1 Introduction
2 Pure Sliding Model
3 Stick-Slip Effect
3.1 Governing Equation
3.2 Stick-slip Transition Criteria
3.3 Stochastic Analysis of the Frictional Responses
4 Conclusion
References
Feedforward Control of a Nonlinear Underactuated Multibody System
1 Introduction
1.1 Motivations and State of the Art
1.2 Contributions of the Paper
2 System Model and Method Description
2.1 System Model
2.2 Method Description
3 Numerical Validation
4 Conclusions
References
Modelling of Electromechanical Coupling Effects in Electromagnetic Energy Harvester
1 Introduction
1.1 Energy Harvesting
1.2 Electromechanical Coupling
2 Electromagnetic Harvester Design
2.1 Electromechanical Coupling Shaping
2.2 Mathematical Model of Harvester
3 Results and Discussion
4 Conclusions
References
Multiple Regenerative Effects of the Bit-Rock Interaction in a Distributed Drill-String System
1 Introduction
2 Mathematical Modeling
2.1 Bit-Rock Interaction
2.2 Depth of Cut Estimation
3 Results and Discussion
4 Conclusion
References
Nonlinear Dynamics Analysis for a Model-Reduced Rotor System with Nonlinear Galerkin Method
1 Introduction
2 Problem Setup and Equations of Motion
3 Model Reduction Through the Nonlinear Galerkin Method
4 Application of the NGM
4.1 Verification of the Convergence of NGM
4.2 Results and Discussion
5 Conclusion
References
Numerical Simulation of Flow-Induced Forces on Subsea Structures in a Group Under Uniform and Sheared Flow
1 Introduction
2 Numerical Model
3 Results and Discussion
4 Conclusions
Appendix
References
On the Longitudinal Vibration of a Driven Wheelset Running on Adhesion Limit
1 Introduction
2 Mechanical Model
3 Numerical Application
4 Conclusions
References
Piecewise Analytical Solution for Rub Interactions Between a Rotor and an Asymmetrically Supported Stator
1 Introduction
2 Analytical Model
3 Results and Discussion
4 Conclusions
References
Stable Rotational Orbits of Base-Excited Pendula System
1 Introduction
2 Physical and Mathematical Modelling
3 Bifurcation Analysis
4 Concluding Remarks
References
Surrogate Expressions for Dynamic Load Factor
1 Introduction
2 Elastic and Plastic Dynamic Load Factor
3 SDOF Response to Unsymmetrical Pulse Force
4 Linear and Nonlinear Surrogate Models
5 Conclusions
References
Virtual Prototyping of a Floating Wind Farm Anchor During Underwater Towing Operations
1 Introduction
2 Virtual Prototyping
3 Methodology
3.1 Test Set-up
3.2 Physical Model
3.3 CFD
3.4 Marine Simulator
4 Results
4.1 CFD Simulations
4.2 Marine Simulations
5 Conclusions
References
RML: Recent Advances in Railway Mechanics and Moving Load Problems
An Iterative Approach for Analyzing Wheel-Rail Interaction
1 Introduction
2 The Iterative Approach
2.1 Track Model
2.2 Vehicle Model
3 Validation of the Proposed Approach
4 Wheel-Rail Contact Loss
References
Dynamic Laboratory Testing of Mechanically Stabilized Layers for Railway Applications
1 Introduction
2 Mechanically Stabilized Soil/Layer
3 Geogrids
4 Laboratory Equipment and Testing Regime
5 Results of Testing
6 Inverse FEM Modelling
7 Conclusions
References
Investigating the Effect of Pre-load on the Behavior of Rail Pads for Railway Tracks Under Quasi-static and Dynamic Loads
1 Introduction
2 Railpad Model
3 The Static Rail Model
4 The Dynamic Rail Model
5 Results and Discussion
5.1 The Static Model Results
5.2 The Actual Stiffness Distribution
5.3 Effect of Stiffness Distribution on the Track Dynamics
5.4 Effect of Pre-load on Track Dynamics
6 Conclusion
References
Machine Learning Analysis in the Diagnostics of the Dynamics of Ball Bearing with Different Radial Internal Clearance
1 Introduction
2 Methods
3 Experiment
4 Machine Learning Classification
5 Discussion
References
Moving Element Analysis of Maglev Train Over Multi-span Elevated Bridge
1 Introduction
2 Methodology and Models
2.1 Train Model
2.2 Guideway Model
2.3 Electromagnetic Force Model
2.4 Moving Element Method
3 Numerical Studies
3.1 Model Partial Verification
3.2 Parametric Studies
4 Conclusions
References
Nonlinear "Beam Inside Beam" Model Analysis by Using a Hybrid Semi-analytical Wavelet Based Method
1 Introduction
2 Model
3 Solution
4 Computational Examples
5 Conclusions
References
Reconstruction of Road Defects from Dynamic Vehicle Accelerations by Using the Artificial Neural Networks
1 Introduction
2 Methodology
2.1 Two Degrees of Freedom Numerical Model
2.2 Artificial Neural Network (ANN)
2.3 Frequency Domain Method
3 Results and Discussion
4 Conclusion
References
Solving Groan Noise Problems in a Metro Braking System
1 Introduction
2 Experimental Data Analysis
3 Modal Analysis of the Wheelset
4 Identification of the Root Cause
5 Response of the Bogie Frame to Sharing Forces
6 Structural Modification, Effects and Conclusions
References
RWP: Recent Advances in Wave Propagation in Periodic Media and Structures
Blocking Masses Applied to Surface Propagating Waves
1 Introduction
2 Methodology
2.1 Governing Equations
2.2 Finite Element Formulation for the Dispersion Equation
3 Results
3.1 Insertion Losses
4 Conclusion
References
Dynamic Amplification in a Periodic Structure Subject to a Moving Load Passing a Transition Zone: Hyperloop Case Study
1 Introduction
2 Model Description and Solution Method
2.1 Solution Method for the Homogeneous System
2.2 Solution Method for the Inhomogeneous System
3 Wave Interference Phenomenon
4 Passing from Non-resonance Velocity to a Resonance Velocity
5 Wave Trapping Inside the Stiff Zone
6 Conclusions
References
Gyroscopic Periodic Structures for Vibration Attenuation in Rotors
1 Introduction
2 System Description
3 Results for Translational Resonators
4 Results for Flexural Resonators
5 Conclusions
References
Improving Locally Resonant Metamaterial Performance Predictions by Incorporating Injection Moulding Manufacturing Process Simulations
1 Introduction
2 Resonator Designs and Injection Moulding
2.1 Resonator Designs
2.2 The Injection Moulding Process
3 Numerical Performance Predictions
3.1 Injection Moulding Simulations
3.2 Structural Dynamic Simulations
4 Experimental Verification Procedure
5 Results and Discussion
6 Conclusions
7 Responsibility Notice
References
Labyrinth Resonator Design for Low-Frequency Acoustic Meta-Structures
1 Introduction
2 Definition of the Problem
2.1 Geometrical Properties
2.2 Finite Element Implementation
3 Discussion of Results
4 Conclusions
References
On the Effect of Multiple Incident Waves on the Reflected Waves in a Semi-infinite Rod with a Nonlinear Boundary Stiffness
1 Introduction
2 Problem Statement
3 Numerical Examples
3.1 The Effect of 3
3.2 The Effect of | 3 |
4 Conclusion
References
On the Formation of a Super Attenuation Band in a Mono-coupled Finite Periodic Structure Comprising Asymmetric Cells
1 Introduction
2 Problem Statement
3 Super Attenuation Band Formation in an Asymmetric Periodic Structure
3.1 Single Unit Cell Analysis
3.2 Asymmetric Structure with N Periodic Cells
4 Discussion
5 Conclusions
References
On Unified Formulation of Floquet Propagator in Cartesian and Polar Coordinates
1 Introduction
2 An Uniform Membrane. Motivation and Problem Statement
2.1 Uniform Propagator in Cartesian Coordinates
2.2 Large Argument Approximation in Polar Coordinates
2.3 Uniform Propagator in Polar Coordinates
3 A Periodic Membrane
4 Conclusions
References
Rainbow Smart Metamaterial to Improve Flexural Wave Isolation and Vibration Attenuation of a Beam
1 Introduction
2 Smart Material Theory Background
3 Numerical Results and Discurssion
4 Conclusion
References
Ranking the Contributions of the Wave Modes to the Sound Transmission Loss of Infinite Inhomogeneous Periodic Structures
1 Introduction
2 Problem Description
3 Methodology
3.1 WFE Method
3.2 Wave Mode Decomposition of the UC DOFs
3.3 Fluid-structure Interaction
3.4 STL in Terms of Wave Mode Contributions
4 Numerical Case
5 Conclusion
References
Strain Energy Approach for Nonlinear Stiffness Coeffcients in the Design of Periodic Structures
1 Introduction
2 Mathematical Model
3 Dynamical Response of Metastructure
4 Conclusions
References
Vibration Attenuation in Plates with Periodic Annuli of Different Thickness
1 Introduction
2 Wave and Finite Element Model Adaptation to Polar Periodic Structures
3 Numerical Example
4 Conclusion
References
Wave Transmission and Reflection Analysis Based on the Three-dimensional Second Strain Gradient Theory
1 Introduction
2 A Brief of Second Strain Gradient Elasticity
2.1 3D Constitutive Relations Calculation
2.2 Finite Element Discretization
3 Diffusion Analysis Through Wave Finite Element Method
4 Numerical Applications
5 Conclusions
References
SDI: Structural Damage Identification
A Conceptual Design for Underground Hydrogen Pipeline Monitoring System
1 Introduction
2 Literature Review
2.1 Definition of Sensing Information for Underground Pipeline Monitoring
2.2 Literature Review of Underground Pipeline Interference Sensing
2.3 Literature Review of Underground Leakage Locations Sensing
3 Analysis of the Underground Pipeline Monitoring Technology
3.1 Current Status of Underground Pipeline Construction in South Korea
3.2 Case Study of Underground Pipeline Monitoring Technology
4 Conceptual Design for Underground Hydrogen Pipeline Monitoring System
4.1 Underground Hydrogen Pipeline Interference Monitoring
4.2 Underground Hydrogen Pipeline Gas Leakage Location Monitoring
4.3 Conceptual Design for Underground Hydrogen Pipeline Monitoring System
5 Conclusion
References
Damage Index Implementation for Structural Health Monitoring
1 Introduction
2 Methodology
2.1 Analysis and Modeling of the Wave Propagation
2.2 Wavelet Decomposition
2.3 One-Dimensional Damage Index
3 Numerical Simulation
3.1 Building the Models
3.2 Signal Generation
3.3 Decomposition Implementation
4 Damage Index Calculation and Localization Technique
5 Conclusion and Further Research Suggestions
References
Investigation of Tensile Behavior of SA 387 Steel Using Acoustic Emission Monitoring
1 Introduction
2 Experimental Details
3 Results and Discussion
4 Conclusion
References
Modal Parameter Estimation in Transmissibility Functions from Digital Image Correlation Measurements
1 Introduction
2 Base Excitation for Modal Analysis
3 Experimental Procedure
4 Results
5 Conclusions
References
Pounding Between High-Rise Buildings with Different Structural Arrangements
1 Introduction
2 Numerical Models of Colliding Buildings
3 Pounding Between Buildings with Different Dynamic Properties Founded on the Same Soil Type
4 Conclusions
References
Study of Machine Learning Techniques for Damage Identification in a Beam
1 Introduction
2 Machine Learnings Techniques
2.1 K-Nearest-Neighbor Classifier
2.2 Decision Tree and Random Forest
2.3 Support Vector Machine
3 Numerical Results
4 Conclusion
References
Vibration Based Damage Detection of Beams by Supervised Learning Approach
1 Introduction
2 Mathematical Model of Damaged Beams
3 Damage Detection by Supervised Learning Approach
3.1 Generation of Training Data
3.2 Definition of Neural Network
4 Results
5 Conclusion
References
SRM: Sustainable Railway Maintenance
Geosynthetics in the Renewal of East Railway Line
1 Introduction
2 The East Railway Line
3 Studies Before the Rehabilitation Works
4 Design
5 Geotextile Installation
6 Plate Loading Tests After the Track Bed Rehabilitation
7 Conclusions
References
Human Perception of Railway Vibration-Case Study
1 Introduction
2 The Analyzed Building
3 Measurement Methodology
4 Measurement Results
5 Discussion and Conclusion
References
VMI: Vibration and Acoustics of Musical Instruments
Correlation Between Dynamic Features of Unvarnished and Varnished New Violins and Their Acoustic Perceptual Evaluation
1 Introduction
2 Materials and Method
2.1 Materials
2.2 Methods
3 Results and Discussion
3.1 Frequencies Spectrum
3.2 Overall Preference Ratings of the Unvarnished and Varnished Violins
4 Conclusion
References
Dynamic Analysis of Musical Triangle
1 Introduction
2 Materials and Method
2.1 Materials
2.2 Methods
3 Results and Discussion
4 Conclusion
References
The Effect of Resonance Wood Quality on Violins Vibration
1 Introduction
2 Materials and Method
2.1 Materials
2.2 Methods
3 Results and Discussion
3.1 Anatomic Features of Resonance Wood Classes
3.2 Frequencies Spectrum
4 Conclusion
References
On the Vibrations of the Bowed String Instruments
1 Foreword
2 Theoretical Model
3 Natural Modes
4 Numerical and Analytical Solutions in the Time Domain
5 Conclusion
References
Study of the Influence of Wood Mechanical Properties Variability on the Sound Synthesis of a Simplified String Instrument
1 Introduction
2 Methods
2.1 A Brief Description on the Sound Synthesis Model
2.2 Finite Element Analysis of the Soundboard with Random Properties
3 Results and Discussions
3.1 Model Parameters
3.2 Synthesized Sounds
4 Conclusions
References
VTE: Vibration Transmission and Energy Flow Analysis of Engineering Structures and Nonlinear Systems
A Modal Approach to Sound Propagation in Elliptical Ducts with Lined Walls
1 Introduction
2 Sound Propagation in Elliptical Ducts
3 Boundary Conditions and Solutions for Impedance Walls
4 Approximate Solution for Small Eccentricity
5 Example of a Solution for the Case of Small Eccentricity
5.1 Location of Wavenumbers on Complex Plane
6 Towards the Solution for All Values of the Eccentricity
7 Conclusions
References
Design and Performance Analysis of a Novel Quasi-Zero Stiffness Vibration Isolator
1 Introduction
2 Design of Vibration Isolator and Static Analysis
2.1 Design of Vibration Isolator
2.2 Static Analysis
3 Dynamic Analysis
3.1 Amplitude-frequency Response
3.2 Force Transmissibility Analysis
4 Conclusion
References
Experimental Investigation of Dynamic Response and Wave Dissipation of a Horizontal Plate Breakwater
1 Introduction
2 Experimental Setup
3 Results and Discussion
3.1 Hydrodynamic Characteristics of ESHP and Fixed Plate Breakwater
3.2 Spring Stiffness
3.3 Wave Force and Motion Response of ESHP Breakwater and Fixed Plate Breakwater
4 Conclusions
References
Free Vibration Analysis of Laminated Composite Plate with a Cut-Out
1 Introduction
2 Mathematical Modelling
3 Results and Discussion
4 Conclusions
References
The 2D Rectangular Tank Sloshing Response Under the Planar Tilt Settlement
1 Introduction
2 Experimental Methods
2.1 Experimental Study
2.2 Numerical Simulation
3 Experimental Validation
4 Results and Discussion
5 Conclusions
References
Vibration Analysis of Laminated Composite Panels with Various Fiber Angles
1 Introduction
2 Dynamic Analysis of Laminated Composite Panels
2.1 Model Description
2.2 Vibration Analysis of Laminated Composite Panels
3 Results and Discussions
4 Conclusions
References
Vibration Power Dissipation in a Spring-Damper-Mass System Excited by Dry Friction
1 Introduction
2 Single-Degree of Freedom (DOF) Coulomb Friction Models
3 Energy Flow and Force Transmissibility
4 Results and Discussions
5 Conclusions
References
Vibration Power Flow and Wave Transmittance Analysis of Inerter-Based Dual-Resonator Acoustic Metamaterial
1 Introduction
2 Dual-Resonator Locally Resonant Metamaterials
2.1 Mathematical Modelling
2.2 Dispersion Relation and Wave Transmittance
2.3 Power Flow Analysis
3 Conclusion
References
Vibration Suppression of Acoustic Black Hole Beam by Piezoelectric Shunt Damping with Different Positions
1 Introduction
2 Basic Theory
3 Method Verification
4 The Effect of the Position of Piezoelectric Patch
5 Conclusion
References
VWL: Vibrations and Waves Energy Transmission and Loss
Modelling the Effect of Introducing Flexible Coupling Between the SI Engine and Generator
1 Introduction
2 Mathematical Modeling
3 Modeling the Generator on MATLAB
3.1 Simulation Environment
3.2 Model Validation
4 Results and Discussion
5 Conclusions
References
Transient Vibration of the Ship Power Train in Polar Conditions
1 Introduction
2 Decoupling Techniques for Non-classically Damped Systems
2.1 Decoupling Equations of Motion in Modal Space of Non-classically Damped System
2.2 Case Study of Ship Propulsion System
3 Conclusion
References
WGA: 1-D and 2-D Waveguides and their Applications
Numerical Development of a Low Height Acoustic Barrier for Railway Noise Mitigation
1 Introduction
2 Geometry and Positioning of the Barrier
2.1 Barrier Height
2.2 Barrier Depth
2.3 Shape of the Inner Face of the Barrier
3 Increase the Acoustic Efficiency with Porous Materials
4 Conclusions
References
WPA: Wave Propagation in Pipes with Applications
A Simplified Model of the Ground Surface Vibration Arising from a Leaking Pipe
1 Introduction
2 Simplified Model
2.1 Radiated Conical Waves
2.2 Investigations Using Theoretical Model and Finite Element Model
3 Experimental Results Using a Test Rig Located in the UK
4 Conclusions
References
An Investigation into the Factors Affecting the Bandwidth of Measured Leak Noise in Buried Plastic Water Pipes
1 Introduction
2 Factors Affecting the Bandwidth of Measured Leak Noise
3 Experimental Investigations
4 Conclusions
References
Pure Flexural Guided Wave Excitation Under Helical Tractions in Hollow Cylinders Based on the Normal Mode Expansion
1 Introduction
2 Guided Waves in Hollow Cylinders
2.1 Notation for the Guided Wave Modes in Cylinders
2.2 Ray-Plate Theory
3 Application of Classical Normal Mode Expansion and Theoretical Analysis of Spiral Excited Flexrual Mode
3.1 Classical Normal Mode Expansion
3.2 Pure Flexrual Mode Excitation
4 Case study
5 Conclusion
References
Flexural Vibration Analysis and Improvement of Wave Filtering Capability of Periodic Pipes
1 Introduction
2 Methods
2.1 Theoretical Modelling
2.2 Numerical Modelling
3 Results and Discussion
3.1 Stopband Properties of Pipe with Type #A and Type #B Supports
3.2 Stopband Properties of Pipe Coupled with SDoF Resonators
3.3 Influence of the Resonator Parameters on Stopband Properties
4 Conclusion
References
Focussing Acoustic Waves with Intent to Control Biofouling in Water Pipes
1 Introduction
2 Modal Expansion in a 2D Waveguide
3 Time Reversal Focussing
3.1 Comparison to Harmonic Excitation
4 Conclusions
References
On the Pipe Localization Based on the Unwrapped Phase of Ground Surface Vibration Between a Roving Pair of Sensors
1 Introduction
2 Two-Sensor Technique - Description
3 Application of the Two-Sensor Technique
4 Conclusions
References
Passive Measurement of Pressure Wave Speed in Water Pipelines Using Ambient Noise
1 Introduction Section
2 Passive Wave Speed Measurement Methodology
3 Field Experiment Procedure and Results
3.1 Experiment Site, Setup and Procedure
3.2 Experiment Results
4 Conclusion
References
Preliminary Numerical Simulation for the Development of a Seismic Camera
1 Introduction
2 The Beamforming Algorithm
3 Elastic Wave Propagation in Free Space
4 Results and Discussion
5 Concluding Remarks
References
Pressure Pulsation and Pipeline Vibration Damping with the Use of 3D Printed Nozzles
1 Introduction
2 Damping Elements
3 Test Stand
4 Results
5 Conclusions
References
Simulation and Experimental Estimation of the Free Wavenumbers for Helically Grooved Tubes
1 Introduction
2 Numerical Analysis
3 Experimental Investigation
4 The Effect on the Mode Shapes Due to the Helical Groove
5 Conclusions
References
Waves Propagating in Water-Filled Plastic Pipes Due to Leak Noise Excitation: A Numerical and Experimental Investigation
1 Introduction
2 Experimental Work
3 Pipe System Modeling
3.1 Finite Element Model
3.2 Analytical Model: Wave Approach
4 Results and Discussions
5 Conclusions
References
WSI: Wave Mechanics for Structural Interfaces
Dynamic Pile Response During Vibratory Driving and Modal-Based Strain Field Mapping
1 Introduction
2 Governing Equations
3 Experimental Tests
4 Mapping of the Strain Field Based on Mode-Matching
5 Results
6 Conclusions
References
Unidirectional Interfacial Waves in Gyroscopic Elastic Systems
1 Introduction
2 Description of the Model
2.1 Normalisation
2.2 Dispersion Properties of the Infinite Lattice with Uniform Effective Gyricity
3 Dispersive Properties of Interfacial Waves
4 Forced Problem
5 Conclusions
References
WVS: Waves and Vibration in Nonsmooth Systems and Structures
Effect of an Impulsive Source on Shear Wave Propagation in a Piezo-electro-magnetic Structure Mounted Over a Heterogeneous Isotropic Substrate Carrying a Viscoelastic Thin Film
1 Introduction
2 Mathematical Formulation of the Problem
3 Boundary Conditions
4 Solution to the Problem
5 Special Cases
6 Numerical Results and Discussions
7 Conclusion
References
Nonlinear Normal Modes of an N Degrees of Freedom Cyclically Symmetric Piecewise Linear System
1 Introduction
2 System Description
3 Numerical Computation of the NNMs
3.1 Linear Approximations of the NNMs
4 Results
4.1 3DOF System
4.2 7DOF System
5 Conclusions
A Traveling Wave NNM
References
General Conference Topic
Antennas Based on Metamaterials and Their Application in Modern Communication Technologies
1 Introduction
2 Antenna Design Based on Metamaterial
3 Simulation of Antenna Properties Based on CuFlon Metamaterial
3.1 Microstrip Dipole Antenna
3.2 Microstrip Crossed Dipole Antenna
3.3 Crossed Dipole Antenna Array
4 Implementation of Antennas and Achieved Results
5 Conclusion
References
Influence of Multiple Potential Wells, Excitation Intensities and Electro-Mechanical Parameters on Vibratory Energy Harvesting from Nonlinear Oscillators
1 Introduction
2 Mathematical Model of Multistable Energy Harvester
3 Fokker-Planck Equation of VEH
4 Numerical Results
5 Conclusions
References
Optimal Design of Magnetorheological Damper for Prosthetic Ankle
1 Introduction
2 Pressure Drop and Force Analyses of MR Damper
3 MR Valve and Damper Configuration and Modeling
3.1 Lumped Parameter Formulation
4 Geometric Optimization of the MR Valve Structure
4.1 Pressure Drop
4.2 Mass of Damper
5 Design Optimization
6 Conclusions
References
Optimization of the Wiebe Function Parameters and a New Function for the Filling Coefficient for Dual-Fuel Engines
1 Introduction
2 Simulation Environment
3 The Combustion Duration of the Air Flow Mixture
4 Calibration and Validation of the Wiebe Model with Fuel Mixtures
5 Pressure and Temperature
6 Air Mass Flow Rate
7 Conclusion
References
Parametric Dependence of Spectral Properties of Elastic Vibrations in Composite Thin Films
1 Introduction
2 Solution by Surface Adapted Partial Waves
3 Conclusions
References
Research of Dynamic Process in Water Cistern of Fire Automobile During Its Moving Along Rough Woodland
1 Introduction
2 Analysis of Literary Sources and Problem Statement
3 Mathematical Modeling of the Surface Relief Influence on Dynamic Processes in the Tank of a Fire Truck During Its Movement Through Rough Forest Terrain
3.1 Design Features of the Fire Truck's Tank
3.2 Mathematical Model of the Influence of the Surface Relief
3.3 Mathematical Model of the Tank
4 The Results Obtained During the Research
5 Conclusions
References
Study of Seismic Effect on Reinforced Concrete Building Due to Swimming Pool on Roof Top
1 Introduction
2 Literature Review
3 Methodology
4 Results and Discussions
4.1 Comparison of Roof Displacement Considering Water Load as Dynamic Load (Sloshing of Water is Considered)
4.2 Results from YU'S Et.Al Model (Modal Analysis in MATLAB Using NEWMARk's Method)
4.3 Comparison of Roof Displacement Considering Water Load as Dead Load and Dynamic Load
5 Summary and Conclusions
References

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