College of Engineering: Recent submissions
Now showing items 2481-2500 of 8384
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Mechanical and Fatigue Behavior of Cellular Structure Ti-6Al-4V Alloy Femoral Stems: A Finite Element Analysis
( MDPI , 2022 , Article)Repetitive loads acting on the hip joint fluctuate according to the type of activities produced by the human body. Repetitive loading is one of the factors that leads to fatigue failure of the implanted stems. The objective ... -
Mechanical and Thermal Analysis of Classical Functionally Graded Coated Beam
( EDP Sciences , 2018 , Conference Paper)The governing equation of a classical rectangular coated beam made of two layers subjected to thermal and uniformly distributed mechanical loads are derived by using the principle of virtual displacements and based on ... -
Mechanical and physical behavior of newly developed functionally graded materials and composites of stainless steel 316L with calcium silicate and hydroxyapatite
( Elsevier , 2015 , Article)This study aimed to investigate the structural, physical and mechanical behavior of composites and functionally graded materials (FGMs) made of stainless steel (SS-316L)/hydroxyapatite (HA) and SS-316L/calcium silicate ... -
Investigation on effective thermal conductivity and relative viscosity of cellulose nanocrystal as a nanofluidic thermal transport through a combined experimental - Statistical approach by using Response Surface Methodology
( Elsevier , 2017 , Article)Combined experimental-statistical approach for effective thermal conductivity and relative viscosity determination were investigated in this present study. Nanofluid used was dispersion of novel nanomaterial Cellulose ... -
Modeling of Surface Roughness in Turning Operation Using Extreme Learning Machine
( Springer Verlag , 2015 , Article)Prediction model allows the machinist to determine the values of the cutting performance before machining. According to the literature, various modeling techniques have been investigated and applied to predict the cutting ... -
A framework for developing innovative problem-solving and creativity skills for engineering undergraduates
( Springer International Publishing , 2015 , Book chapter)Background and Purpose Problem-solving and creativity skills are a set of skills that are highly looked for in today's engineers. Globalization and the rapid pace of technology growth, including awareness on sustainability, ... -
Effect of swirl at intake manifold on engine performance using ethanol fuel blend
( Taylor and Francis Inc. , 2020 , Article)Ethanol fuel is widely used as an alternative fuel in spark ignition engines. The use of ethanol reduces dependence on fuel from the fraction of hydrocarbons. As such, adding swirl generators to the intake manifold aims ... -
Effect of Geometrical Parameters on the Performance of Longitudinal Functionally Graded Femoral Prostheses
(2015 , Article)This study aimed to assess the performance of different longitudinal functionally graded femoral prostheses. This study was also designed to develop an appropriate prosthetic geometric design for longitudinal functionally ... -
Composite Hat Structure Design for Vehicle Safety: Potential Application to B-Pillar and Door Intrusion Beam
( MDPI , 2022 , Article)Regarding crashworthiness, many published works have focused on designing thinwalled structures for frontal collisions compared to side-impact collisions. This paper presents an experimental investigation and finite element ... -
Comparison between variable and constant refrigerant flow air conditioning systems in arid climate: Life cycle cost analysis and energy savings
( MDPI , 2021 , Article)All over the world, there is a call to encourage sustainable energy thinking and implementation. There is an urgent need to consider sustainable solutions in any design projects that are able to reduce energy consumption. ... -
A novel design, analysis and 3D printing of Ti-6Al-4V alloy bio-inspired porous femoral stem
( Springer , 2020 , Article)The current study is proposing a design envelope for porous Ti-6Al-4V alloy femoral stems to survive under fatigue loads. Numerical computational analysis of these stems with a body-centered-cube (BCC) structure is conducted ... -
An experimental validation of numerical model for top-hat tubular structure subjected to axial crush
( MDPI AG , 2021 , Article)Vehicle crashworthiness is an important aspect to consider when designing a vehicle to ensure the safety of the occupants. Besides this, vehicles are also designed to reduce weight for better fuel economics. One possible ... -
A need for functionally graded stiffness femoral stem for reduction in stress shielding and promoting bone growth: Computational analysis
( American Society of Mechanical Engineers (ASME) , 2017 , Conference Paper)Total Hip Arthroplasty (THA) is an orthopaedic procedure that is available to reduce pain and restore the functionality of hip joints. THA has been successfully implemented for the last 40 years. However, after more than ... -
Development of diverse assessment methods for pbl implementation at a course level in engineering education in qatar
( Aalborg University , 2021 , Conference Paper)While the current literature collectively agrees that Problem and/or Project-Based Learning (PBL) is a useful instructional methodology, the majority of the literature has been based on the assumption that all PBL stems ... -
Composite sandwich structures for crashworthiness applications
(2007 , Article)Fibre-reinforced polymer sandwiches are promising materials for reducing vehicle mass, thereby improving the fuel economics. Nonetheless, to fully explore these materials as the primary structures and energy absorbers in ... -
Comparison between contact and immersion ultrasonic techniques to evaluate longitudinal residual stress in friction stir welding of aluminum plates
( American Society for Nondestructive Testing , 2015 , Article)Ultrasonic stress measurement is a nondestructive technique that has increasingly been employed to evaluate the welding residual stress of different materials. This study compares contact and immersion ultrasonic waves ... -
Design of thin wall structures for energy absorption applications: Enhancement of crashworthiness due to axial and oblique impact forces
(2013 , Article)This paper describes a computationally aided design process of a thin wall structure subject to dynamic compression in both axial and oblique directions. Several different cross sectional shapes of thin walled structures ... -
A comparative analysis of experimental and numerical investigations of composite tubes under axial and lateral loading
(2010 , Article)Quasi-static tests are performed in order to determine the crash behavior of composite tubes. The specimens are made from woven fiber carbon/epoxy. The crash experiments show that the tubes crushed in a progressive manner ... -
A comprehensive analysis of bio-inspired design of femoral stem on primary and secondary stabilities using mechanoregulatory algorithm
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)The coated porous section of stem surface is initially filled with callus that undergoes osseointegration process, which develops a bond between stem and bone, lessens the micromotions and transfers stresses to the bone, ... -
Solving a large-scale crew pairing problem
( Palgrave Macmillan Ltd. , 2015 , Article)Airline companies seek to solve the problem of determining an assignment of crews to a pre-determined flight schedule with minimum total cost, called the Crew Pairing Problem (CPP). Most of the existing studies focus on ...
