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Performance enhancement of a DC-operated micropump with electroosmosis in a hybrid nano.luid:fractional Cattaneo heat flux problem

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Applied Mathematics and Mechanics(English Edition) 2022年第6期43卷 931-944页

作者： A.M.ALSHARIF A.I.ABDELLATEEF Y.A.ELMABOUD S.I.ABDELSALAM Department of Mathematics and Statistics College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Department of Applied Mathematics and Science Faculty of EngineeringNational University of Science and TechnologySeeb 111Sultanate of Oman Department of Mathematics College of Science and Arts at KhulisUniversity of JeddahJeddah 21589Saudi Arabia Department of Mathematics Faculty of ScienceAl-Azhar University(Assiut Branch)Assiut 71254Egypt Department of Basic Science Faculty of EngineeringThe British University in EgyptCairo 11837Egypt

The purpose of this investigation is to theoretically shed some light on the effect of the unsteady electroosmotic flow(EOF)of an incompressible fractional secondgrade fluid with low-dense mixtures of two spherical nano.articles,copper,and *** flow of the hybrid nano.luid takes place through a vertical micro-channel.A fractional Cattaneo model with heat conduction is *** the DC-operated micropump,the Lorentz force is responsible for the pressure difference through the *** Debye-H¨ukel approximation is utilized to linearize the charge *** semianalytical solutions for the velocity and heat equations are obtained with the Laplace and finite Fourier sine transforms and their numerical *** addition to the analytical procedures,a numerical algorithm based on the finite difference method is introduced for the given domain.A comparison between the two solutions is *** variations of the velocity heat transfer against the enhancements in the pertinent parameters are thoroughly investigated *** is no.iced that the fractional-order parameter provides a crucial memory effect on the fluid and temperature *** present work has theoretical implications for biofluid-based microfluidic transport systems.

关键词： hybrid nano.luid fractional Cattaneo heat flux Caputo-Fabrizio derivative

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Load Balancing Algorithm for Migrating Switches in Software-Dened Vehicular Networks

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Computers, Materials & Continua 2021年第4期67卷 1301-1316页

作者： Himanshi Babbar Shalli Rani Mehedi Masud Sahil Verma Divya Anand Nz Jhanjhi Chitkara University Institute of Engineering and Techno.ogy Rajpura140401India Department of Computer Science College of Computers and Information TechnologyTaif UniversityTaif21944Saudi Arabia Department of Computer Science and Engineering Chandigarh UniversityMohaliPunjab140413India Department of Computer Science and Engineering Lovely Professional UniversityPhagwara144001India Taylor’s University Selangor Darul EhsanMalaysia

In Software-Dened Networks(SDN),the divergence of the control interface from the data plane provides a unique platform to develop a programmable and exible network.A single controller,due to heavy load trafc triggered by different intelligent devices can no. handle due to it’s restricted *** manage this,it is necessary to implement multiple controllers on the control plane to achieve quality network performance and *** ow of data through the multiple controllers also varies,resulting in an unequal distribution of load between different *** major drawback of the multiple controllers is their constant conguration of the mapping of the switch-controller,quickly allowing unequal distribution of load between *** overcome this drawback,Software-Dened Vehicular Networking(SDVN)has evolved as a congurable and scalable network,that has quickly achieved attraction in wireless communications from research groups,businesses,and industries *** this paper,we have proposed a load balancing algorithm based on latency for multiple SDN *** ackno.ledges the evolving characteristics of real-time latency *** *** choosing the required latency and resolving multiple overloads simultaneously,our proposed algorithm solves the loadbalancing problems with multiple overloaded controllers in the SDN control *** addition to the migration,our algorithm has improved 25%latency as compared to the existing algorithms.

关键词： Software-dened networking load balancing multiple controllers ryu controller mininet

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Facies Associations and Sequence Stratigraphy of the Toarcian Marrat Formation(Saudi Arabia) and Their Equivalents in Some Gondwanaland Regions

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Journal of Earth Science 2023年第1期34卷 242-259页

作者： Mohamed Tawfik Abelbaset S.El-Sorogy Khaled Al-Kahtany Geology Department Faculty of ScienceZagazig UniversityZagazig44519Egypt Geology and Geophysics Department College of ScienceKing Saud UniversityRiyadh11451Saudi Arabia

The Toarcian Marrat Formation is exposed in outcrops in central Saudi Arabia and displays a variety of clastic and carbonate facies associated with well-preserved depositional geometries. It is unconformably overlies the Triassic Minjur Formation and it in turn is overlaid by the Middle Jurassic Dhruma Formation. Thirteen lithofacies types can be identified that permit the recognition of five lithofacies associations in a mixed clastic/carbonate platform. These lithofacies range from low-energy peritidal, intertidal, and back-shoal to moderate-and high-energy shoal and foreshoal lithofacies associations. The Marrat Formation exhibits three depositional sequences, each sequence is grouped into a transgressive systems tract(TST) and a highstand systems tract(HST) and then bounded by sequence boundary surfaces(SBSs). The TSTs are generally identified in clastic tidal-flat beds and back-shoal wackestones, while the HST is generally recorded in the carbonate tidal-flat and shoal. The vertical succession of facies associations from peritidal to foreshoal depositional environments is indicative of a deepening upward and retrogradational systems tract, from Lower to Upper Toarcian. The correlation between the studied sections reveals a general shallowing towards the south and the similarities between the studied sequences and others in the Arabian Gulf, the no.thern Neo-Tethys Plate, and Gondwanaland countries.

关键词： stratigraphy sequence stratigraphy Lower Jurassic Marrat Formation Saudi Arabia Neo-Tethys Arabian Gulf Gondwanaland

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Stability Scrutinization of Agrawal Axisymmetric Flow of Nano.luid through a Permeable Moving Disk Due to Renewable Solar Radiation with Smoluchowski Temperature and Maxwell Velocity Slip Boundary Conditions

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Computer Modeling in Engineering & Sciences 2023年第2期134卷 1371-1392页

作者： Umair Khan Aurang Zaib Anuar Ishak Iskandar Waini El-Sayed M.Sherif Dumitru Baleanu Department of Mathematical Sciences Faculty of Science and TechnologyUniversiti Kebangsaan MalaysiaBangi43600Malaysia Department of Mathematics and Social Sciences Sukkur IBA UniversitySukkur65200Pakistan Department of Mathematical Sciences Federal Urdu University of ArtsScience&TechnologyKarachi75300Pakistan Fakulti Tekno.ogi Kejuruteraan Mekanikal dan Pembuatan Universiti Teknikal Malaysia MelakaMelaka76100Malaysia Mechanical Engineering Department College of EngineeringKing Saud UniversityRiyadh11423Saudi Arabia Department of Mathematics Cankaya UniversityAnkara06790Turkey Institute of Space Sciences Magurele077125Romania Department of Medical Research China Medical University HospitalChina Medical UniversityTaichung40447Taiwan

The utilization of solar energy is essential to all living things since the beginning of *** addition to being a constant source of energy,solar energy(SE)can also be used to generate heat and *** techno.ogy enables to convert the solar energy into electricity by using thermal solar *** energy is perhaps the most easily accessible and plentiful source of sustainable ***-based nano.luid has been considered as a method to improve solar collector performance by absorbing incoming solar energy *** goal of this research is to explore theoretically the Agrawal axisymmetric flow induced by Cu-water nano.luid over a moving permeable disk caused by solar ***,the impacts of Maxwell velocity and Smoluchowski temperature slip are incorporated to discuss the fine points of nano.luid flow and characteristics of heat *** primary partial differential equations are transformed to similarity equations by employing similarity variables and then utilizing bvp4c to resolve the set of equations *** current numerical approach can produce double solutions by providing suitable initial *** addition,the results revealed that the impact of solar collector efficiency enhances significantly due to nano.article volume *** suction parameter delays the boundary layer ***,stability analysis is performed and is found that the upper solution is stable and physically trustworthy while the lower one is unstable.

关键词： Agrawal axisymmetric flow solar energy nano.luid heat transfer slip conditions

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Theory and Semi-Analytical Study of Micropolar Fluid Dynamics through a Porous Channel

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Computer Modeling in Engineering & Sciences 2023年第8期136卷 1473-1486页

作者： Aziz Khan Sana Ullah Kamal Shah Manar A.Alqudah Thabet Abdeljawad Fazal Ghani Department of Mathematics and Sciences Prince Sultan UniversityP.O.Box 66833Riyadh11586Saudi Arabia Department of Mathematics Abdul Wali Khan UniversityMardanP.O.Box 23200Khyber Pakhtunkhwa23200Pakistan Department of Mathematics University of MalakandChakdara Dir(L)Khyber Pakhtunkhwa18000Pakistan Department of Mathematical Sciences Faculty of SciencesPrincess Nourah bint Abdurahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of Medical Research China Medical UniversityTaichung40402Taiwan

In this work,We are looking at the characteristics of micropolar flow in a porous channel that’s being driven by suction or *** working of the fluid is described in the *** can reduce the governing no.linear partial differential equations(PDEs)to a model of coupled systems of no.linear ordinary differential equations using similarity variables(ODEs).In order to obtain the results of a coupled system of no.linear ODEs,we discuss a method which is kno.n as the differential transform method(DTM).The concern transform is an excellent mathematical tool to obtain the analytical series solution to the no.linear *** observe beast agreement between analytical method and numerical method,we compare our result with the Rung-Kutta method of order four(RK4).We also provide simulation plots to the obtained result by using *** plots,we discuss the effect of different parameters which arise during the calculation of the flow model equations.

关键词： Mass transfer micropolar flow porous channel similarity variables differential transform method

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Performance Analysis of an Artificial Intelligence Nano.ystem with Biological Internet of Nano.Things

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Computer Modeling in Engineering & Sciences 2022年第10期133卷 111-131页

作者： Saied M.Abd El-atty Nancy A.Arafa Atef Abouelazm Osama Alfarraj Konstantino. A.Lizos Farid Shawki Department of Electronics and Electrical Communications Engineering Faculty of Electronic EngineeringMenoufia UniversityMenoufEgypt Computer Science Department Community CollegeKing Saud UniversityRiyadhSaudi Arabia Department of Informatics Faculty of Mathematics and Natural SciencesUniversity of Oslo(UiO)OsloNorway

Artificial intelligence(AI)has recently been used in nano.edical applications,in which implanted intelligent nano.ystems inside the human body were used to diagno.e and treat a variety of ailments with the help of the Internet of biological Nano.Things(IoBNT).Biological circuit engineering or nano.aterial-based architectures can be used to approach the *** nano.edical applications,the blood vascular medium serves as a communication channel,demonstrating a molecular communication system based on flow and *** paper presents a performance study of the channel capacity for flow-based-diffusive molecular communication nano.ystems that takes into account the ligand-receptor binding *** earlier studies,we take into account the effects of biological physical characteristics such as blood pressure,blood viscosity,and vascular diameter on channel ***,in terms of drug transmission error probability,the inter-symbol interference(ISI)pheno.eno. is applied to the proposed *** numerical results show that the proposed AI nano.ystems-based IoBNT techno.ogy can be successfully implemented in future nano.edicine.

关键词： Nano.ystem AI Internet of biological Nano.Things(IoBNT) channel capacity

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Evaluation of NFC-Guidable System to Manage Polypharmacy in Elderly Patients

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Computer Systems Science & Engineering 2022年第5期41卷 445-460页

作者： Khalid Alzahrani Mrim Alnfiai Department of Clinical Laboratories Sciences College of Applied Medical SciencesTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Information Techno.ogy College of Computers and Information TechnologyTaif UniversityTaif P.O.Box 11099Taif21944Saudi Arabia

A complete and thorough understanding by patients of their prescriptions is one of the most critical components of a successful treatment *** unfamiliar with the intricacies of prescribed medication can cause serious health risks due to no. adhering to prescription instructions or no.ing potential drug interactions,which can lead to life-threatening *** face communication barriers(including no.-English speaking patients),lack of time,lack of kno.ledge,workload,and frequent interruption when dispensing medicines often preventing them from providing the necessary guidance to their *** minimize this risk,an NFC-Guidable polypharmacy system was developed integrating Near Field Techno.ogy(NFC)into prescription *** intention being,to automate prescription identification for elderly patients in hospitals and primary health care(PHC)centers where Arabic is their native language and patients have five or more prescriptions at a *** system provides prescription information such as name,expiration date based on the Islamic calendar,appropriate dosage,the correct time for a dose,contraindication,and other relevant instructions in *** objectives of the system are to improve patient safety and enhance the quality of prescription dispensing for elderly and no.-English speaking *** evaluation study with polypharmacy elderly patients and pharmacists is conducted to understand the perception and acceptance of the system by both *** strengths and weaknesses of the system as well as suggestions for improvement from participants were also *** study results indicate that the system helps patients to avoid misuse of sensitive medication and authenticates their prescribed prescription drugs before taking *** system also assists pharmacists in improving the efficiency of dispensing medication and streamline ***,the application was well received by both patients and ***,NFC techno.

关键词： NFC health elder patients pharmacists language

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Securing Technique Using Pattern-Based LSB Audio Stegano.raphy and Intensity-Based Visual Cryptography

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Computers, Materials & Continua 2021年第4期67卷 1207-1224页

作者： Pranati Rakshit Sreeparna Ganguly Souvik Pal Ayman AAly Dac-Nhuong Le JIS College of Engineering KalyaniWest Bengal741235India Global Institute of Management and Techno.ogy NadiaWest Bengal741102India Department of Mechanical Engineering College of EngineeringTaif UniversityTaif21944Saudi Arabia Institute of Research and Development Duy Tan UniversityDanang550000Vietnam Faculty of Information Techno.ogy Duy Tan UniversityDanang550000Vietnam

With the increasing need of sensitive or secret data transmission through public network,security demands using cryptography and stegano.raphy are becoming a thirsty research area of last few *** two techniques can be merged and provide better security which is no.adays extremely *** proposed system provides a no.el method of information security using the techniques of audio stegano.raphy combined with visual *** this system,we take a secret image and divide it into several subparts to make more than one incomprehensible sub-images using the method of visual *** of the sub-images is then hidden within individual cover audio files using audio stegano.raphic *** cover audios are then sent to the required destinations where reverse stegano.raphy schemes are applied to them to get the incomprehensible component images *** last,all the sub-images are superimposed to get the actual secret *** method is very secure as it uses a two-step security mechanism to maintain *** possibility of interception is less in this technique because one must have each piece of correct sub-image to regenerate the actual secret *** superimposing every one of the sub-images meaningful secret images canno. be *** files are composed of densely packed *** high density of data in audio makes it hard for a listener to detect the manipulation due to the proposed time-domain audio stegano.raphic method.

关键词： Information security visual cryptography audio stegano.raphy secret image reverse stegano.raphy

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Role of Fuzzy Approach towards Fault Detection for Distributed Components

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Computers, Materials & Continua 2021年第5期67卷 1979-1996页

作者： Yaser Hafeez Sadia Ali Nz Jhanjhi Mamoona Humayun Anand Nayyar Mehedi Masud University Institute of Information Techno.ogy Pir Mehr Ali Shah Arid Agriculture UniversityRawalpindiPakistan School of Computer Science and Engineering SCETaylor’s UniversitySubang JayaMalaysia Department of Information systems College of Computer and Information SciencesJouf UniversitySaudi Arabia Graduate School Duy Tan UniversityDa Nang550000Viet Nam Faculty of Information Techno.ogy Duy Tan UniversityDa Nang550000Viet Nam Department of Computer Science College of Computers and Information TechnologyTaif UniversityTaif21944Saudi Arabia

Component-based software development is rapidly introducing numerous new paradigms and possibilities to deliver highly customized software in a distributed *** other communication,teamwork,and coordination problems in global software development,the detection of faults is seen as the key ***,there is a need to ensure the reliability of component-based applications *** device detection faults applied to tracked components from various sources and failed to keep track of all the large number of components from different *** this study,we propose an approach for fault detection from componentbased systems requirements using the fuzzy logic approach and historical information during acceptance *** approach identified error-prone components selection for test case extraction and for prioritization of test cases to validate components in acceptance *** the evaluation,we used empirical study,and results depicted that the proposed approach significantly outperforms in component selection and acceptance *** comparison to the conventional procedures,i.e.,requirement criteria,and communication coverage criteria without irrelevancy and redundancy successfully outperform other ***,the F-measures of the proposed approach define the accurate selection of components,and faults identification increases in components using the proposed approach were higher(i.e.,more than 80 percent)than requirement criteria,and code coverage criteria procedures(i.e.,less than 80 percent),***,the rate of fault detection in the proposed approach increases,i.e.,92.80 compared to existing methods i.e.,less than 80 *** proposed approach will provide a comprehensive guideline and roadmap for practitioners and researchers.

关键词： Component-based software selection acceptance testing fault detection

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Security Requirement Management for Cloud-Assisted and Internet of Things—Enabled Smart City

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Computers, Materials & Continua 2021年第4期67卷 625-639页

作者： Muhammad Usman Tariq Muhammad Babar Mian Ahmad Jan Akmal Saeed Khattak Mohammad Dahman Alshehri Abid Yahya Abu Dhabi School of Management Abu Dhabi6844United Arab Emirates Department of Computing and Techno.ogy Iqra UniversityIslamabad44000Pakistan Institute of Research and Development Duy Tan UniversityDa Nang550000Vietnam The Faculty of Information Techno.ogy Duy Tan UniversityDa Nang550000Vietnam Department of Computer Sciences Abdul Wali Khan UniversityMardan23200Pakistan Department of Computer Sciences Quaid-i-Azam UniversityIslamabad44000Pakistan Department of Computer Science College of Computers and Information TechnologyTaif UniversityTaif21944Saudi Arabia Botswana International University of Science and Techno.ogy Palapye016Botswana

The world is rapidly changing with the advance of information *** expansion of the Internet of Things(IoT)is a huge step in the development of the smart *** IoT consists of connected devices that transfer *** IoT architecture permits on-demand services to a public pool of *** computing plays a vital role in developing IoT-enabled smart *** integration of cloud computing enhances the offering of distributed resources in the smart *** management of security requirements of cloud-assisted IoT systems can bring about risks to availability,security,performance,condentiality,and *** key reason for cloud-and IoT-enabled smart city application failure is improper security practices at the early stages of *** article proposes a framework to collect security requirements during the initial development phase of cloud-assisted IoT-enabled smart city *** three-layered architecture includes privacy preserved stakeholder analysis(PPSA),security requirement modeling and validation(SRMV),and secure cloud-assistance(SCA).A case study highlights the applicability and effectiveness of the proposed framework.A hybrid survey enables the identication and evaluation of signicant challenges.

关键词： Security privacy smart city Internet of Things cloud computing

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