Recent Advances in Applied Mechanics : Proceedings of Virtual Seminar on Applied Mechanics (VSAM 2021) / edited by Tezeswi Tadepalli, Vijayabaskar Narayanamurthy.

Format:

Book

Contributor:

Tadepalli, Tezeswi, editor.

Narayanamurthy, Vijayabaskar, editor.

Series:

Lecture Notes in Mechanical Engineering, 2195-4364

Language:

English

Subjects (All):

Mechanics, Applied.

Solids.

Fluid mechanics.

Mechanical engineering.

Solid Mechanics.

Engineering Fluid Dynamics.

Mechanical Engineering.

Local Subjects:

Solid Mechanics.

Engineering Fluid Dynamics.

Mechanical Engineering.

Physical Description:

1 online resource (743 pages)

Edition:

1st ed. 2022.

Place of Publication:

Singapore : Springer Nature Singapore : Imprint: Springer, 2022.

Summary:

This book comprises the proceedings of the Virtual Seminar on Applied Mechanics 2021 organized by the Indian Society for Applied Mechanics. The contents of this volume focus on solid mechanics, fluid mechanics, biomechanics/biomedical engineering, materials science and design engineering. The authors are experienced practitioners and the chapters encompass up-to-date research in the field of applied mechanics. This book will appeal to researchers and scholars across the broad spectrum of engineering involving the application of mechanics in civil, mechanical, aerospace, automobile, bio-medical, material science, and more.

Contents:

Intro

Preface

Organization

List of Reviewers

Contents

About the Editors

Numerical Studies on Propagation of Non-linear Lamb Waves Through Delaminated Surfaces in Stiffened Composite Plate Structures

1 Introduction

2 Numerical Simulations

2.1 Numerical Modelling

2.2 Modelling the Contact Nonlinearity

2.3 Excitation Details of Ao Mode

3 Result and Discussions

3.1 Delamination Length Equal to Wavelength

3.2 Variation in Frequency for Flat Laminates

3.3 Variation in Frequency in Skin-Spar Structure

3.4 Effect of Presence and Absence of Spar

4 Conclusion

References

Excitation Bandwidth Dependence of Cantilever Energy Harvester

1.1 Properties of CEH

2 Research Objectives

3 Experiment on CEH Under Harmonic and Random Excitation

3.1 Experimental Setup

3.2 Experiments

4 Comparison of Harvested Energy under Harmonic and Random Vibrations

5 Conclusions

A Review on Phase-Field Models Applied to Fracture in Solids

2 Phase-Field Approximation of Crack Topology

3 Theoretical Aspects

3.1 Phase-Field Models for Brittle Fracture

3.2 Input Parameters in the Simulations

4 Finite Element Discretization and Solvers

4.1 Finite Element Discretization

4.2 Irreversibility of the Crack Phase-Field and Its Boundedness

4.3 Solution Strategies

5 Computational Aspects

5.1 Computer Codes

5.2 Element Technologies

5.3 Solvers

5.4 Adaptive Mesh Refinement and Coarsening

5.5 Modelling of Pre-existing Cracks

6 Conclusions

7 Scope for Future Studies

A Simulation Study on Propagation of Action Potential in Epicardial Tissue Due to SCN5A L812Q Gene Mutation

2 Materials and Methods

2.1 Model Characterization

2.2 Electrical Activity in Epicardial Tissue

3 Results.

3.1 Parallel Propagation in a Normal Cell Grid

3.2 Parallel Propagation in a Mutated Cell Grid

3.3 Diagonal Propagation in a Normal Cell Grid

3.4 Diagonal Propagation in a Mutated Cell Grid

4 Discussion

5 Limitations and Future Scope

6 Conclusion

Evaluation of Outflow Boundary Conditions in DNS of Turbulent Jet Flows

2 Numerical Methodology

2.1 Solver Details

2.2 Computational Domain Details

2.3 Grid Resolution Check

3 Results and Discussion

3.1 Comparison of OBCs

3.2 Results Using Chapman BC

Effect of Fluidic Injection on the Core Length of Rectangular Sonic Jet

2 Experimental Details

3 Results and Discussions

Stress Distribution in Infinitely Long Plate with Circular Hole Loaded by Concentrated Loads

2 Problem Description: Pair of Loads

3 Method for Closed-Form Solution

4 Verification of the Closed Form Solution

4.1 Finite Element Method

4.2 Series Solution Method

4.3 Results for Comparison

5 Extension of Analytical Method to More Loading Cases

5.1 Infinite Plate with a Circular Hole Subjected to 3-Point Symmetric Normal Loading

5.2 Infinite Plate with a Circular Hole Subjected to 4-Point Bi-symmetric Normal Loading

5.3 Infinite Plate with a Circular Hole Subjected to Self Equilibrating n-point Normal Loading

Re-deployable Smart Sensor Concept for Modal Estimates of Bridges Subjected to Random and Vehicle Excitations

2 Re-deployable Smart Mobile Sensor Concept

3 Frequency Domain Decomposition (FDD)

4 Numerical Simulation of Bridge Response Considering Vehicle Bridge Interaction (VBI)

5 Proposed Strategy

6 Numerical Studies

6.1 Model Assurance Criterion (MAC).

6.2 Beam Subjected to Random/White Noise/Gaussian Excitation

6.3 Beam Subjected to Vehicle Excitation

7 Conclusions

Ballistic Study of Shear Thickening Fluid Impregnated Unidirectional Ultra-High Molecular Density Polyethylene Fabric

2 Materials

3 Experiment and Results

4 Results and Discussion

4.1 Failure Mechanisms

5 Conclusion

Effect of Steel Fibre Content on the Information Entropy of Acoustic Emission Waveforms Generated During Mode I Fracture Process in Cementitious Composites

2 Methodology

3 Experimental Program

4.1 Mechanical Response of the Three-Point Bend Specimens Under Mode I Fracture Process

4.2 AE Characteristics of the Three-Point Bend Specimens

4.3 Variation of AE Information Entropy with Vf of Steel Fibres

4.4 Variation of the Slope of Log-Cumulative AE Information Entropy Curve with AE Based b-value

4.5 Variation of AE Information Entropy with AE Based Damage Index

4.6 Correlation of AE Information Entropy with AE Parameters

5 Summary

3D Non-linear Finite Element Analysis of a Naturally Corroded Beam

2 Numerical Analysis

A Review of Stage Separation Systems for Launch Vehicles

2 Comprehensive Design Requirements

3 Principles of Separation Systems

3.1 Types of Separation Systems

3.2 Working Principles of the Mechanisms

3.3 Challenges in Separation Systems

4 Design Configurations

4.1 Separation by Fluid Communication of Pressurized Gas

4.2 Separation by Holes in Fluid Communication

4.3 Micro-cylinder Pyrotechnic Gas Actuated Separation System

4.4 Fastening and Separating System

4.5 Latching Separation System.

4.6 Confined Linear Explosion Separation System

4.7 Pyrofuze Separation System

4.8 Linear Explosive Separation Device

4.9 Shear Pin Pyro-Mechanical Mechanism

4.10 Explosively Actuated Separable Structure

5 Conclusion and Future Work

Testing and Numerical Simulations on Fracture Behavior of Fresh Quartzite Rock Using the Discrete Element Method

2 Discrete Element Method

3 Sample Preparation and Testing

3.1 Uniaxial Compressive Strength

4 Simulation Framework

4.1 Model Geometry

4.2 Input Parameters

5 Results and Discussions

Feasibility of Composite Compressor Blade Using Sub-element Level Bird Strike Tests and Analysis

2 FEA Analysis

3 Bird Strike Tests

4 Strain Allowable Computation

Influence of Invertube's Thickness on Crash Energy Absorption

1.1 Brief About Crush Tube

1.2 Crashworthiness

1.3 Crashworthiness Parameters

1.4 Tube Inversion

2 Methodology and Numerical Simulations

2.1 Methodology

2.2 Material Properties

2.3 FEA Model

2.4 Comparison Between Simulation and Experiment

3 Effect of Thickness Variation

Maximizing the Energy Absorption Capacity of Thin Walled Box Structures Using Ultra High Strength Steels (UHSS) at Sensitive Zones

2 Crush Box

3 Crush Box with Combination of Mild Steel and UHSS at Sensitive Zones

4 Crush Box with Combination of High Strength Steel and UHSS

5 Application to Full Vehicle Crash Analysis

A Non-model Damage Diagnostic Technique for Online Structural Health Monitoring

2 Energy Extraction from Acceleration Measurements

3 Damage Diagnostic Technique.

3.1 First Phase

3.2 Diagnosis Phase

4 Numerical Investigation

Simulation of Mixed-Mode Fracture in a Single Phase and Two-Phase Composite Material

2 The Random Spring Network Model (RSNM)

3 Results

Comparable Safety Margins of the Ulnar Fingers When the Thumb Remains on an Unsteady Slider

2 Methods and Materials

2.1 Participants

2.2 Experimental Setup

2.3 Experimental Procedure

3 Data Analysis

3.1 Magnitude of Grip and Load Forces

3.2 Safety Margin

3.3 Statistics

4 Results

4.1 Task Performance

4.2 Tangential Force

4.3 Safety Margin

5 Discussion

Identification of Crack Parameters Using XFEM-QPSO

2 XFEM Formulation for the Forward Problem

3 Quantum Particle Swarm Optimization (QPSO) for the Inverse Problem

4 Methodology of Crack Tip Identification Using the XFEM-QPSO

5 Numerical Investigations

5.1 Finite Plate with an Interior Crack at Different Orientations Subject to Tensile Stresses

5.2 Numerical Investigations-Compact tension (C(T)) Specimen Under Action of Tensile Loading

Computational Study of Hydrodynamics of Mixing Tank with Non-Newtonian Fluids

2 System Specification

2.1 Mathematical Model

2.2 Governing Equations

3 Numerical Method

4 Validation

5.1 Effect on Power Consumption

5.2 Effect on Mixing Time

Development of a 100 mm-Diameter Split-Hopkinson Pressure Bar for High Strain Rate Characterization of Concrete

2 Basic Description

3 Challenges Involved

4 Description of Apparatus

5 Experimental Setup and Specimen Preparation

6 Results and Discussion.

7 Summary.

Notes:

Includes bibliographical references.

Other Format:

Print version: Tadepalli, Tezeswi Recent Advances in Applied Mechanics

ISBN:

981-16-9539-3

981-16-9538-5

OCLC:

1310075957