Finite element analysis of a crankshaft for an internal combustion engine – Complete Phd and Masters Thesis

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Introduction

The crankshaft is a crucial component of an internal combustion engine, responsible for converting the linear motion of the pistons into rotational motion. The design and analysis of a crankshaft are critical to ensuring the performance, reliability, and durability of the engine. Finite Element Analysis (FEA) is a powerful tool used to simulate and analyze the structural behavior of complex components like crankshafts under various operating conditions.

This thesis aims to conduct a comprehensive finite element analysis of a crankshaft for an internal combustion engine. The study will focus on analyzing the stress distribution, fatigue life, and deformation characteristics of the crankshaft under different loading conditions. The results of this analysis will provide valuable insights into the design optimization and performance enhancement of the crankshaft.

Chapter 1: Introduction
1.1 Introduction
1.2 Background of study
1.3 Problem Statement
1.4 Objective of study
1.5 Limitation of study
1.6 Scope of study
1.7 Significance of study
1.8 Structure of the Thesis
1.9 Definition of terms

Chapter 2: Literature Review
2.1 Overview of crankshaft design
2.2 Importance of finite element analysis in crankshaft design
2.3 Previous studies on crankshaft analysis
2.4 Material properties and selection for crankshaft design
2.5 Loading conditions in internal combustion engines
2.6 Fatigue analysis of crankshafts
2.7 Optimization techniques for crankshaft design
2.8 Validation of FEA models for crankshafts
2.9 Advances in crankshaft modeling and analysis
2.10 Summary of literature review

Chapter 3: Research Methodology
3.1 Selection of crankshaft model
3.2 CAD modeling of the crankshaft
3.3 Mesh generation and element type selection
3.4 Material properties assignment
3.5 Application of boundary conditions
3.6 Loading conditions setup
3.7 FEA software selection
3.8 Analysis process and simulation settings

Chapter 4: Discussion of Findings
4.1 Stress distribution analysis results
4.2 Fatigue life prediction analysis results
4.3 Deformation analysis results
4.4 Comparison of different loading conditions
4.5 Design optimization recommendations
4.6 Sensitivity analysis of material properties
4.7 Validation of FEA results
4.8 Discussion on the implications of findings

Chapter 5: Conclusion and Summary
5.1 Summary of research objectives and methodology
5.2 Key findings and insights from the FEA analysis
5.3 Limitations of the study
5.4 Recommendations for future research
5.5 Conclusion and final remarks

Thesis Overview:

The thesis on “Finite Element Analysis of a Crankshaft for an Internal Combustion Engine” aims to conduct a detailed analysis of the structural behavior of a crankshaft using finite element analysis techniques. The study will focus on analyzing the stress distribution, fatigue life, and deformation characteristics of the crankshaft under different loading conditions to optimize its design and enhance its performance and durability.

Chapter 1 provides an introduction to the research topic, background information, problem statement, objectives, limitations, scope, significance, and structure of the thesis. Chapter 2 presents a comprehensive review of the existing literature on crankshaft design, FEA in crankshaft analysis, material properties, loading conditions, fatigue analysis, optimization techniques, validation methods, and recent advancements in crankshaft modeling.

Chapter 3 outlines the research methodology, including the selection of the crankshaft model, CAD modeling, mesh generation, material properties assignment, boundary conditions application, loading conditions setup, FEA software selection, and analysis process. Chapter 4 discusses the findings of the FEA analysis, including stress distribution, fatigue life prediction, deformation analysis, comparison of loading conditions, design optimization recommendations, sensitivity analysis, and validation of results.

Chapter 5 concludes the thesis with a summary of research objectives and methodology, key findings, limitations, recommendations for future research, and final remarks. The thesis aims to contribute to the understanding of crankshaft behavior and provide valuable insights for the design optimization of crankshafts in internal combustion engines.

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