Browsing Engineering (Faculty of) by Supervisor "Inal, Kaan"
Now showing items 1-15 of 15
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An artificial intelligence framework for vehicle crashworthiness design
(University of Waterloo, 2021-11-24)Numerical crash test simulations are crucial for vehicle safety design. In the automotive industry, frameworks based on finite element methods are most common as they are precise and reliable. A few of the setbacks are ... -
Characterization and Through Process Modelling of Large Strain Phenomena for Aluminum Alloys at Room and Elevated Temperatures
(University of Waterloo, 2017-02-16)The objective of this research is to model and analyze large strain problems (rolling, hot compression) in FCC polycrystals. In the first part of this research, a rate-dependent crystal plasticity based Element Free Galerkin ... -
Crystal Plasticity based Formability Analysis of Transformation Induced Plasticity Steels
(University of Waterloo, 2018-01-23)This thesis outlines a framework to model to aid the development and utilization of transformation induced plasticity (TRIP) assisted multiphase steels in the automotive industry for light weighting applications. Automakers ... -
Crystal Plasticity Based Numerical Modeling of Temperature and Strain Rate Dependent Behavior in Mg Alloys
(University of Waterloo, 2021-06-23)This thesis provides a combined experimental and numerical study to explore the mechanical and forming behavior of E-form Plus Mg alloy. For the last few decades, Mg alloys are a key of interest for replacing heavier steel ... -
Efficient Multi-Objective Optimization of an Automotive Crush Rail Under Axial and Oblique Impact
(University of Waterloo, 2021-04-30)Oblique impact conditions are of increasing research importance, and this kind of study is becoming more common in the crashworthiness literature. Optimization strategies, such as the Response Surface Methodology (RSM), ... -
An Elasto-Visco-Plastic Multiscale Model for Fibrous Unidirectional Composite Materials
(University of Waterloo, 2016-08-24)This research thesis investigates the capability of predicting the elasto-visco-plastic material response and failure of a unidirectional composite material. A constitutive framework is developed to incorporate the elastic, ... -
Experimental Investigation and Multi-scale Modeling of Strain Localization, Shear Banding and Fracture in Precipitation Hardened Aluminum Alloys
(University of Waterloo, 2019-05-23)Finite element (FE) simulations are widely used in automotive design processes to model the forming and crashworthiness behavior of structural materials. Comprehensive material characterization and the availability of ... -
Machine Learning Approaches in Crystal Plasticity
(University of Waterloo, 2022-04-27)The continued advancements in material development and design require understanding the relationships between microstructure and flow behaviour. Crystal plasticity (CP) is a high-fidelity computational method that helps ... -
Micromechanics Based Model for Long Fibre Polymer Matrix Composite Materials using a Functionally Graded Interphase
(University of Waterloo, 2018-06-11)In order to incorporate more composite materials in mass production vehicles within the automotive industry, compression moulding manufacturing techniques have been de- veloped. Using processes such as Sheet Moulding ... -
Modelling Microstructure-Property Relationships in Polycrystalline Metals using New Fast Fourier Transform-Based Crystal Plasticity Frameworks
(University of Waterloo, 2019-02-04)The present thesis develops several new full-field, fast Fourier transform (FFT)-based crystal plasticity modelling tools for microstructure engineering. These tools are used to explore elasto-viscoplastic deformation, ... -
Multi-scale Modeling and Optimization of Energy Absorption and Anisotropy in Aluminum Alloys
(University of Waterloo, 2017-04-26)This thesis outlines a study on the multi-scale modeling and optimization of lightweight aluminum front rails for automotive crashworthiness applications. This research is aimed to enhance the crashworthiness characteristics ... -
A New Crystal Plasticity Formulation to Simulate Large-Strain Plasticity of Polycrystalline Metals at Elevated Temperatures
(University of Waterloo, 2017-03-13)This dissertation explores the plasticity polycrystalline metals, with particular attention paid to aluminum and its alloys. Specifically aluminum Al-Mg sheet alloys, which are currently replacing steel parts for panel ... -
A New Crystal Plasticity Framework to Simulate Plastic Deformation Phenomena in Precipitation Hardened Aluminum Alloys
(University of Waterloo, 2022-04-26)This thesis outlines the development of a numerical framework for simulating aluminum alloys that exhibit the precipitation hardening phenomenon. A novel crystal plasticity-based precipitation strengthening model is ... -
A New Crystal Plasticity Model for Steels Exhibiting Transformation Induced Plasticity with Application to Quenched and Partitioned Steel
(University of Waterloo, 2021-05-28)This thesis outlines the development of a constitutive model and the modelling techniques required to accurately model steels that exhibit transformation induced plasticity over a wide range of strain-rates and temperatures. ... -
Phenomenological Modeling of Sheet Moulding Compound Composites Under Quasi-Static Three-Point Bending
(University of Waterloo, 2018-06-19)A phenomenological model is implemented to model the behaviour of a glass fiber reinforced sheet moulding composite material. Previous characterization of SMC composites, which included the tensile, compressive, in-plane ...