Waleed Faris

Waleed Faris
International Islamic University Malaysia | iium · Department of Mechanical Engineering

PhD

About

169
Publications
73,975
Reads
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1,160
Citations
Citations since 2017
36 Research Items
658 Citations
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2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
Introduction
Waleed F. Faris is a Professor in the Mechanical Engineering Department the International Islamic University Malaysia (IIUM). He obtained his BSc in Mechanical Engineering from Zagazig University, Egypt in 1989, his MSc from the same university in 1996, and his PhD from Virginia Tech, USA in 2003. He has to his credit six books and more than 150 technical papers system dynamics and control and NVH, Nonlinear Dynamics, mechanical design, tribology. He is on editorial of 4 international journals
Additional affiliations
July 2012 - September 2012
University of Nevada, Las Vegas
Position
  • Professor
July 2008 - September 2008
Virginia Tech (Virginia Polytechnic Institute and State University)
Position
  • Professor
August 2004 - present
International Islamic University Malaysia
Position
  • Professor (Full)

Publications

Publications (169)
Article
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Labyrinth seals have been used in the aerospace industry for decades, for their robust design and non-contact nature. The present needs of the aerospace industry wherein drastic change in engine operating conditions for more power and efficiency have put the labyrinth seal in challenging situations. As the high pressure and temperature in the engin...
Article
Full-text available
In spite of the fact that the flexibility of the crankshaft of diesel engines exhibits notable nonlinearities, analytical modeling of such nonlinearities is not yet realized. The present study thus analytically models the effect of eccentricity on flexible crankshaft and piston secondary motion. The eccentricity of the crankshaft is modeled as the...
Article
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Motor vehicle insurance (MVI), which is the most effective and widespread means of protecting personal property, has attracted a great deal of attention. It is crucial to understand the current development of Malaysia’s motor vehicle insurance industry. Based on this context, this article examines the development model of the Malaysian motor insura...
Article
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The organic food market has not reached its maturity yet in Malaysia. Consumers of organic food have increased in the last year. The development of organic food supply chain management shows substantial opportunities. Although it is only a small part of the food market, it gains the interest of consumers researchers and businessmen. Consumers becam...
Article
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This paper aims to review current approaches for real-time artificial intelligence-based visual Simultaneous Localization and Mapping (vSLAM) operating in dynamic environments. Through the review of several relatively recent published papers for vSLAM in dynamic environments, an attempt is made to explain the concept of Simultaneous Localization an...
Article
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Kahlil Gibran is one of the most important writers of modern Arabic literature and one of the most successful poets of English in the twentieth century. He is undoubtedly a pioneer among Arab poets and novelists writing in English and the most important figure in the Émigré literary movement. His world-wide popularity is due in large part to his un...
Article
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In this research, an attempt is made to investigate the abrasive and erosion wear resistance of aquatic waste plant water hyacinth converted fibre-reinforced polymer composites. From a novel approach, the new fibre extraction machine is designed to extract the hyacinth fibre from the parent plant and reinforce it to the epoxy matrix material to pro...
Article
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The flexibility of a crankshaft exhibits significant nonlinearities in the analysis of diesel engines performance, particularly at rotational speeds of around 2000 rpm. Given the explainable mathematical trends of the analytical model and the lack of available analytical modeling of the diesel engines intake manifold with a flexible crankshaft, the...
Article
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The aim of the paper is to investigate the capability of the damper system in limiting the vibration in the pipelines which are specific to the oil and gas industry. Fracture related to pipeline stress is an issue that has impacted many industry quite a lot and the implications have led to huge amounts of times and costs being spent on constantly m...
Article
The aim of this research is to design the office chair leg component through Product LCM using anisotropic material. For every product, Product Life Cycle Management (PLCM) plays a vital role to satisfy the customers requirement; especially on weight factor, the cost, failure rate, Time to market, manufacturing feasibility and aesthetics. The aniso...
Article
Full-text available
Better ride comfort and controllability of vehicles are pursued by automotive industries by considering the use of suspension system which plays a very important role in handling and ride comfort characteristics. Comprehensive comparison on half car model was conducted to analyze the effect of active suspension system, using Robust H-infinity on th...
Conference Paper
Full-text available
Now a day acoustics noise becomes the most noticeable problem in this new era. To attenuate acoustic primary noise or disturbances, Active noise control (ANC) is the most popular and most used method by generating controllable secondary sources by which output noise can be cancelled with the same amplitude but opposite sign. The primary path models...
Conference Paper
Full-text available
High speed aircrafts have been the holy grail of high speed flight research especially Supersonic Transport (SST) aircraft and fighters for drastically reducing the flight time. They fly at a much higher speed compared to other aircrafts by pushing through the air around it which gives rise to shock waves. Thus supersonic aircrafts are triangular i...
Article
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This paper investigates the aerodynamics of a circular plan form wing at high Reynolds numbers numerically. Commercial software STAR-CCM+ has been used for the study. The numerical results were presented in terms of flow visualization, pressure over the wing, velocity contour and streamlines, lift and drag coefficients for angle of attacks ranging...
Article
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Magnetorheological Elastomers (MREs) are a class of smart materials whose potentials in engineering applications have been attracting attention in the last few decades. In this study, a rheological model for MRE and its dynamic characteriza-tion as engine mounts is presented. The use of magnetic field in controlling the dynamic stiffness and dampin...
Article
In this paper, active disturbance rejection control (ADRC) and a control method combining ADRC with input decoupling transformation (ADRC-IDT) are proposed to improve ride comfort of a non-linear full-car with active suspension system. Simulation of the model in frequency domain as well as time domain with three types of road profile - speed hump,...
Article
Full-text available
Better ride comfort and controllability of vehicles are pursued by automotive industries by considering the use of suspension system which plays a very important role in handling and ride comfort characteristics. This paper presents the design of an active suspension of quarter car system using Robust H-infinity, Robust H 2 , Robust Mu-synthesis co...
Article
Full-text available
The findings of this paper are focused on the dynamics and control of a quadcopter using a modified version of a Linear Quadratic Regulator (LQR) control approach. The classical LQR control approach is extended to include an integral term to improve the quad copter tracking performance. The mathematical model is derived using the Newton-Euler metho...
Article
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An automotive policy is been pursued by the government of Nigeria which is aimed at curtailing the dominance of imported vehicles in the Nigerian automobile market. The policy is designed to cater for the automobile demands of the Nigerian population. Since these vehicles would be produced for the Nigerian population and used by them over a period...
Article
Active noise control (ANC) is the most popular method for attenuating acoustic primary noise or disturbances by generating controllable secondary sources by which the output noise can be cancelled with the same amplitude but with opposite sign/sense. Most available ANC uses the secondary path modelling including filtered x least mean square (FxLMS)...
Article
Full-text available
In recent years, Active Disturbance Rejection Control (ADRC) has become a popular control alternative due to its easy applicability and robustness to varying processes. In this article, ADRC with input decoupling transformation (ADRC-IDT) is proposed to improve ride comfort of a vehicle with an active suspension system using half-car model. The rid...
Article
Full-text available
The effect of the recently developed graphene nano-flakes (GNFs) on polymerase chain reaction (PCR) has been investigated in this article. The rationale behind the use of GNFs is their unique physical and thermal properties. Experiments show that GNFs can enhance the thermal conductivity of base fluids and results also revealed that GNFs could pote...
Article
Full-text available
The supercharging centrifugal compressor with a vaneless diffuser is a key element in diesel powertrains that has not been comprehensively modelled using explainable mathematical trends. This study thus develops an analytical model for this type of compressors for hybrid H2-Biodiesel dual-fuel engines with cooled EGR. Specifically, for this propose...
Article
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NVC characterizations of vehicle behavior is one essential part of the development targets in automotive industries. Therefore understanding dynamic behavior of each structural part of the vehicle is a major requirement in improving the NVC characteristics of a vehicle. The main focus of this research is to investigate structural dynamic behavior o...
Article
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In this article, a study of the thermal performance of embossed fined mini-channel heat sink numerically has been carried out using CFD. Commercial software STAR-CCM+ was used for the investigation. Embossed impressions were vertical to the heat sink base. The numerical results were presented in terms of flow visualization,a temperature distributio...
Article
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This paper presents fined plate minichannel heat sink numerically under forced convection. Two geometries, flat plate and fined plat heat sinks have been drawn by solidworks, then imported to Starccm+ for simulation. The plate was 45 mm width and 55mm length and the fined heat sink has fins with 3 mm height and 1 mm thickness.Source load 325 W at t...
Article
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Supercharged diesel engines are a key element in diesel powertrains that have been extensively modelled yet often without explainable mathematical trends. The present paper demonstrates the analytical modelling of in-cylinder gas speed dynamics and engine brake power. These analytical models provide explainable mathematical trends. In addition, the...
Article
Full-text available
Albeit vehicle analytical models are often favorable for explainable mathematical trends, no analytical model has been developed of the regulated diesel exhaust CO emission rate for trucks yet. This research unprecedentedly develops and validates for trucks a model of the steady speed regulated diesel exhaust CO emission rate analytically. It has b...
Book
Since a reduction in fuel consumption will lead to reduction in vehicle emissions, automobile manufacturers are currently under pressure to produce more environmentally friendly vehicles. Vehicle fuel consumption and emission models are currently the primary tools for evaluating the regional impacts of transportation projects and for developing and...
Article
Full-text available
A buckling analysis of an isotropic circular plate with piezoceramic annular plate attached to it is presented. The annular plate is attached at the circular plate edge so that the radius of the circular plate is the inner radius of the annular plate. The piezoceramic annular plate is used as the radial in-plane load source. The radial and hoop str...
Article
Full-text available
Compared to the large number of possible magneto-electro-elastic shell theories, very few exact solutions determining the in-plane stresses, electric displacements and magnetic inductions are possible. While, solving the magneto-electro-elastic shell equations in terms of thermo-magneto-electro-elastic generalized field functions on arbitrary domai...
Article
The dynamic characterisation of vehicle structures is a crucial step in NVH analysis and helps in refining the vibration and noise in new vehicles, which is becoming a marketing edge as well. This paper investigates the dynamic properties of two parts of the vehicle structure which are door and hood panels. Theoretical modal analysis, which is refe...
Article
Full-text available
This work answers the need for improvement in fuel economy in heavy duty vehicles (HDV s), in a manner simple enough to be used in open road missions. A look ahead anticipatory control (LA) method is designed to adjust longitudinal motion (signified by velocity of the vehicle system) using knowledge of fluctuations in road grade. The prediction of...
Article
Since the passive suspension system is not enough for creating good compromise between road handling and ride comfort for off-road vehicles, this paper presents a study on the application of an active suspension system. In this work, a neuro-fuzzy controller (NFC) is developed for two and three-Axle half-car off-road vehicle models. A fuzzy logic c...
Article
Active disturbance rejection control (ADRC) for a quarter-car active suspension system is proposed. The performance of ADRC is compared with benchmark (LQR control) from current literature. A simulation experiment is performed to investigate the performance of ADRC in comparison with passive system and the LQR control, as well as to test the abilit...
Article
Vehicle analytical models are often favorable due to describing the physical phenomena associated with vehicle operation following from the principles of physics, with explainable mathematical trends and with extendable modeling to other types of vehicle. However, no experimentally validated analytical model has been developed as yet of diesel engi...
Article
Full-text available
The requirements of modern vehicle engine vibration isolation systems have been upgraded from the traditional passive mode to semi-active mode or active mode. With the relative advantages of semi-active mode over active mode and passive mode, the dynamic analysis of the behaviours of elastomers when used in the semi-active mode requires more attent...
Article
In this paper, classical and modern controllers have been introduced on three different engine models starting form a moderately realistic four degree of freedom model and then a realistic six degree of freedom model, two control techniques were implemented on the different systems namely proportional integral derivative (PID) and linear quadratic...
Article
Full-text available
Supercharged diesel engines are a key source of hazardous regulated emissions that have been extensively modelled, yet without explainable mathematical trends. The present paper demonstrates the analytical modeling of the percentage of unburned Hydrocarbon and the HC emission rate in four-stroke diesel engines for trucks. The study presents as well...
Article
Full-text available
Climate change due to greenhouse gas emissions has led to new vehicle emissions standards which in turn have led to a call for vehicle technologies to meet these standards. Modeling of vehicle fuel consumption and emissions emerged as an effective tool to help in developing and assessing such technologies, to help in predicting aggregate vehicle fu...
Article
Diesel powertrains are some of the most well-established yet promising technologies for their many advantageous features. Although vehicle analytical models accurately describe the physical phenomena associated with vehicle operation following from the principles of physics and with explainable mathematical trends, no analytical microscopic model h...
Article
Full-text available
The work aims to study the performance of suspension systems for off-road vehicles. Three type of suspensions -passive, hybrid semi-active and Linear Quadratic Regulator (LQR) active suspension systems - are presented using half-car model. These systems are compared in terms of ride quality, handling, road holding and ability to support vehicle sta...
Article
The main role of a suspension system of a vehicle is to prevent the road excitations from being transmitted to the passengers. In this study, we develop and obtain a strategy to optimise the main design parameters of a semi-active suspension for a two-axle full off-road vehicle. The objective is to minimise the maximum bouncing acceleration of the...
Article
Full-text available
Although vehicle analytical models are favourable in many cases, due to describing the physical phenomena associated with vehicle operation comprehensively based on the principles of physics with explainable mathematical trends and with extendable modelling to other vehicle types, no analytical model has been developed as yet of diesel exhaust NOx...
Article
Better ride comfort and controllability of vehicles are pursued by automotive industries by considering the use of suspension system which plays a very important role in handling and ride comfort characteristics. This paper presents the design of an active suspension of quarter car system using robust H-infinity, robust H2, robust Mu-synthesis cont...
Article
Design, implementation and comparison of full state feedback controller (FSFC) with proportional integral derivative (PID) controller to attenuate the engine-body disturbance is presented in this paper. The methods discussed in this paper for FSFC design are linear quadratic regulator (LQR) and pole placement (PP). These control techniques are impl...
Article
The dynamic characterization of vehicle structures is a crucial step in NVH analysis and helps in refining the vibration and noise in new vehicles. This paper investigates the dynamic properties of two parts of the vehicle structure which are door and hood panels. Theoretical modal analysis which is referred to as Finite Element Analysis (FEA) and...
Article
Full-text available
Unmanned Aerial Vehicle (UAV) has evolved rapidly over the past decade. There have been an increased number of studies aiming at improving UAV and in its use for different civil applications. This paper highlights the fundamentals of UAV system and examines the challenges related with the major components such as motors, drives, power systems, comm...
Article
Full-text available
Both governments and professional engineering societies in the developing nations have made several codes of ethics for their engineering industries. But there are little indications that these codes are fully complied with. The consequence of poor compliance has been a tremendous negative effect on humans and the environment. The need to enforce t...
Article
Full-text available
In an internal combustion engine, a chemical reaction occurs between the oxygen in air and hydrocarbon fuel. Engines operate at what is termed the stoichiometric air/fuel ratio when there is the correct quantity of air to allow complete combustion of the fuel with no excess oxygen. In reality, the combustion process cannot be perfect and automotive...
Article
Full-text available
Fluid Structure Interaction (FSI) simulation has been used in modelling turbulent flow induced vibration of a curved tube with fixed supports. The vibration behaviour is studied through modal analysis. It is subsequently simulated to study the structural response induced by turbulent flow using LES. LES modelling has been reasonably used for the in...
Article
Full-text available
Dynamic analysis for flexible manipulator is very important for selecting the actuator size and designing the proper control strategy. The effect of different sets of initial and boundary conditions on the joints torques is investigated in this paper. The elastic deflection for each link is computed using the assumed modes methods for four modes of...
Article
Full-text available
The effect of the recently developed graphene nanoflakes (GNFs) on the polymerase chain reaction (PCR) has been investigated in this paper. The rationale behind the use of GNFs is their unique physical and thermal properties. Experiments show that GNFs can enhance the thermal conductivity of base fluids and results also revealed that GNFs are a pot...
Article
The paper discusses the response and the accuracy of a quarter car model with a non-linear damping force. The non-linear shock absorber model was a result of an experiment that was conducted earlier and the mathematical model was verified. Based on this model simulation responses of the sprung and unsprung masses between a linear and the non-linear...
Article
In this paper, we investigate the effect of fuel magnetisation on the overall performance of a four-stroke Spark Ignition (SI) engine. To achieve this objective, we have designed a set of experiments using the Mitsubishi 1.5 L (4G15) SI engine. Each experiment is performed in two phases: with and without the fuel magnetisation. The collected data w...
Article
Full-text available
The main objective of the present study is to introduce the optimal brake pad design in order to reduce squeal noise through the various design factors using statistical technique. A new approach is considered by integrating a commercial finite element software package (ABAQUS) with response surface methodology using software package (MINITAB). The...
Article
Ride quality or sometime called ride comfort, can be defined as how a vehicle responds to road conditions or inputs other than its occupant. Its primary concern is on how this response affects the vehicle occupants. Ride quality became a competitive edge to automotive industries. In this paper we point out the main areas of research in ride quality...
Article
The research develops a simple vehicle powertrain model that can be incorporated within microscopic traffic simulation software for the modeling of intelligent vehicle applications. This simple model can be calibrated using vehicle parameters that are publically available without the need for field data collection. The model uses the driver throttl...
Article
In this work, a theoretical analysis of a squeeze film damper (SFD) with central groove has been carried out. A program has been developed, using Microsoft Visual C<sup align="right"> ++ </sup>. Damper length and diameter of 50 mm and 60 mm have been taken. Input data include the damper clearance, damper length and groove parameters and oil specifi...
Article
In this paper, experimental vibration analysis on Teflon, woven roving glass and carbon/epoxy composite squeeze film dampers have been carried out. Composite dampers, each consists of 30 layers, were fabricated by hand lay-up method. Different outer and inner diameters of all the fabricated dampers and lengths have been used. Effect of squeeze film...
Article
An axisymmetric vibration analysis of an isotropic circular plate with a piezoceramic annular plate attached to it is presented. The annular plate is attached at the circular plate edge so that the radius of the circular plate is the inner radius of the annular plate. The piezoceramic annular plate is used as the radial in-plane load source. A free...