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A Finite Difference Method and Effective Modification of Gradient Descent Optimization Algorithm for MHD Fluid Flow Over a Linearly Stretching Surface

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Computers, Materials & Continua 2020年第2期62卷 657-677页

作者： Yasir Nawaz muhammad Shoaib arif Mairaj Bibi Javeria Nawaz Abbasi Umer Javed Amna Nazeer Stochastic Analysis&Optimization Research Group Department of MathematicsAir UniversityPAF Complex E-9Islamabad44000Pakistan Department of Mathematics Comsats UniversityChak Shahzad CampusIslamabad44000Pakistan Department of Electrical and Computer Engineering Comsats UniversityIslamabadWah CampusWah Cantt47040Pakistan

Present contribution is concerned with the construction and application of a numerical method for the fluid flow problem over a linearly stretching surface with the modification of standard Gradient descent Algorithm to solve the resulted difference *** flow problem is constructed using continuity,and Navier Stoke equations and these PDEs are further converted into boundary value problem by applying suitable similarity transformations.A central finite difference method is proposed that gives third-order accuracy using three grid *** stability conditions of the present proposed method using a Gauss-Seidel iterative procedure is found using Von-Neumann stability criteria and order of the finite difference method is proved by applying the Taylor series on the discretised *** comparison of the presently modified optimisation algorithm with the Gauss-Seidel iterative method and standard Newton’s method in optimisation is also *** can be concluded that the presently modified optimisation Algorithm takes a few iterations to converge with a small value of the parameter contained in it compared with the standard descent algorithm that may take millions of iterations to *** present modification of the steepest descent method converges faster than Gauss-Seidel method and standard steepest descent method,and it may also overcome the deficiency of singular hessian arise in Newton’s method for some of the cases that may arise in optimisation problem(s).

关键词： Magnetohydrodynamic exact finite difference scheme optimization algorithm stability&convergence

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Effect of iridium loading on HZSM-5 for isomerization of n-heptane

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Journal of Natural Gas Chemistry 2011年第5期20卷 477-482页

作者： Herma Dina Setiabudi Sugeng Triwahyono Aishah Abdul Jalil Nur Hidayatul Nazirah Kamarudin muhammad arif Ab Aziz Department of Chemical Engineering Faculty of Chemical Engineering Universiti Teknologi Malaysia Ibnu Sina Institute for Fundamental Science Studies Faculty of Science Universiti Teknologi Malaysia

The effect of iridium loading on the properties and catalytic isomerization of n-heptane over Ir-HZSM-5 is studied. Ir-HZSM-5 was prepared by impregnation method and subjected to isomerization process in the presence of flowing hydrogen gas. XRD and BET studies show that the presence of iridium stabilizes the crystalline structure of HZSM-5, leading to more ordered framework structure and larger surface area. TGA and FTIR results substantiate that iridium species interacts with OH group on the surface of HZSM-5. Pyridine FT-IR study verifies the interaction between iridium and surface OH group slightly increased the Bro¨nsted and Lewis acid sites without changing the lattice structure of HZSM-5. The presence of iridium and the increase of strong Lewis acid sites on HZSM-5 were found to bring an increase about 4.1%, 33.2% and 11.8% in conversion, selectivity and yield of n-heptane isomerization, respectively.

关键词： Ir-HZSM-5 n-heptane isomerization Lewis acid sites protonic acid sites

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Predicting the Type of Crime: Intelligence Gathering and Crime Analysis

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Computers, Materials & Continua 2021年第3期66卷 2317-2341页

作者： Saleh Albahli Anadil Alsaqabi Fatimah Aldhubayi Hafiz Tayyab Rauf muhammad arif Mazin Abed Mohammed Department of Information Technology College of ComputerQassim UniversityBuraydahSaudi Arabia Department of Computer Science University of GujratGujratPakistan School of Computer Science Guanzghou UniversityGuangzhou510006China College of Computer Science and Information Technology University of AnbarRamadiIraq

Crimes are expected to rise with an increase in population and the rising gap between society’s income *** contribute to a significant portion of the socioeconomic loss to any society,not only through its indirect damage to the social fabric and peace but also the more direct negative impacts on the economy,social parameters,and reputation of a *** and other preventive resources are limited and have to be *** conventional methods are being superseded by more modern approaches of machine learning algorithms capable of making predictions where the relationships between the features and the outcomes are *** it possible for such algorithms to provide indicators of specific areas that may become criminal *** predictions can be used by policymakers and police personals alike to make effective and informed strategies that can curtail criminal activities and contribute to the nation’s *** paper aims to predict factors that most affected crimes in Saudi Arabia by developing a machine learning model to predict an acceptable output *** results show that FAMD as features selection methods showed more accuracy on machine learning classifiers than the PCA *** naïve Bayes classifier performs better than other classifiers on both features selections methods with an accuracy of 97.53%for FAMD,and PCA equals to 97.10%.

关键词： Prediction machine learning crime prevention naïve bayes crime prediction classification algorithms

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Introgression of Drought Tolerance into Elite Basmati Rice Variety through Marker-Assisted Backcrossing

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Phyton-International Journal of Experimental Botany 2023年第5期92卷 1421-1438页

作者： muhammad Sabar Shahzad Amir Naveed Shahid Masood Shah Abdul Rehman Khan muhammad Musaddiq Shah Tahir Awan muhammad Ramzan Khan Zaheer Abbas muhammad arif National Institute for Biotechnology and Genetic Engineering(NIBGE) Faisalabad38000Pakistan Rice Research Institute Kala Shah Kaku39020Pakistan National Institute for Genomics and Advanced Biotechnology(NIGAB) Islamabad44000Pakistan Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing100081China Department of Biotechnology COMSATS University IslamabadAbbottabad22020Pakistan Department of Biotechnology University of SialkotSialkot51310Pakistan Pakistan Institute of Engineering and Applied Sciences Islamabad44000Pakistan

Drought is one of the major abiotic threat to rice production in the context of climate *** Basmati is an elite,fine grain basmati rice variety grown in Punjab,*** to drought sensitive in nature,its yield has been facing an alarming situation in production because of gradual decrease in irrigated water for a couple of *** reported novel QTLs for drought tolerance were selected for incorporation into Super Basmati by employing marker assisted selection ***55419-04 with novel QTLs was used as a donor *** selection was performed by applying PCR based QTL linked SSR markers followed by recombinant selection by using 2-4 flanking *** selection was exercised by using polymorphic SSR markers for maximum genome recovery of the Super *** individuals homozygous at the target QTLs and with maximum background of Super Basmati at the rest of the non-target genome was selected for evaluation of drought *** drought stress conditions,the yields of all introgressed lines(ILs)were 44.2%-125.7%higher than recurrent *** superior ILs that are drought tolerant and very similar to Super Basmati in terms of agronomic and grain quality traits are marked for release as drought-tolerant varieties in arid regions or for use in breeding programs of high grain quality and drought-tolerant parents.

关键词： Drought QTL SSR markers basmati rice drought marker assisted breeding

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Thermal Analysis of MHD Non-Newtonian Nanofluids over a Porous Media

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Computer Modeling in Engineering & Sciences 2020年第12期125卷 1119-1134页

作者： Asad Ejaz Imran Abbas Yasir Nawaz muhammad Shoaib arif Wasfi Shatanawi Javeria Nawaz Abbasi Stochastic Analysis&Optimization Research Group Department of MathematicsAir UniversityIslamabad44000Pakistan Department of Mathematics and General Sciences Prince Sultan UniversityRiyadh11586Saudi Arabia Department of Medical Research China Medical University HospitalChina Medical UniversityTaichung40402TaiwanChina Department of Mathematics Hashemite UniversityZarqa13116Jordan Department of Mathematics Comsats UniversityIslamabad44000Pakistan

In the present research,Tiwari and Das model are used for the impact of a magnetic field on non-Newtonian nanofluid flow in the presence of injection and *** PDEs are converted into ordinary differential equations(ODEs)using the similarity *** obtained ordinary differential equations are solved numerically using shooting method along with *** of the present study uses nanoparticles(NPs)like TiO_(2) andAl_(2)O_(3) and sodium carboxymethyl cellulose(CMC/water)is considered as a base fluid(BF).This study is conducted to find the influence of nanoparticles,Prandtl number,and magnetic field on velocity and temperature profile,however,the Nusselt number and coefficient of skin friction parameters are also presented in detail with the variation of nanoparticles and *** obtained results of the present study are presented *** addition to these,some simulations of partial differential equations are also shown using software for graphing surface plots of velocity profile and streamlines along with surface plots and isothermal contours of the temperature profile.

关键词： MHD non-Newtonian nanofluids porous medium similarity solution Blasius flow

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A Deep Learning Model of Traffic Signs in Panoramic Images Detection

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Intelligent Automation & Soft Computing 2023年第7期37卷 401-418页

作者： Kha Tu Huynh Thi Phuong Linh Le muhammad arif Thien Khai Tran International University Ho Chi Minh CityVietnam-Vietnam National UniversityHo Chi Minh City700000Vietnam Department of Computer Science The Superior UniversityLahorePakistan Ho Chi Minh City University of Foreign Languages and Information Technology Ho Chi Minh City700000Vietnam

To pursue the ideal of a safe high-tech society in a time when traffic accidents are frequent,the traffic signs detection system has become one of the necessary topics in recent years and in the *** ultimate goal of this research is to identify and classify the types of traffic signs in a panoramic *** accomplish this goal,the paper proposes a new model for traffic sign detection based on the Convolutional Neural Network for com-prehensive traffic sign classification and Mask Region-based Convolutional Neural Networks(R-CNN)implementation for identifying and extracting signs in panoramic *** augmentation and normalization of the images are also applied to assist in classifying better even if old traffic signs are degraded,and considerably minimize the rates of discovering the extra *** proposed model is tested on both the testing dataset and the actual images and gets 94.5%of the correct signs recognition rate,the classification rate of those signs discovered was 99.41%and the rate of false signs was only around 0.11.

关键词： Deep learning convolutional neural network Mask R-CNN traffic signs detection

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A New Attempt to Neutrosophic Soft Bi-Topological Spaces

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Computer Modeling in Engineering & Sciences 2022年第3期130卷 1565-1585页

作者： arif Mehmood muhammad Aslam muhammad Imran Khan Humera Qureshi Choonkil Park Jung Rye Lee Department of Mathematics&Statistics Riphah International UniversitySector I-14Islamabad44000Pakistan Department of Mathematics College of SciencesKing Khalid UniversityAbha61413Saudi Arabia Department of Pure and Applied Mathematics(Statistics) University of HaripurHaripur22630Pakistan Research Institute for Natural Sciences Hanyang UniversitySeoul04763Korea Department of Data Science Daejin UniversityKyunggi11159Korea

In this article,new generalized neutrosophic soft∗b open set is introduced in neutrosophic soft bi-topological structurers(NSBTS)concerning soft points of the *** new set is produced by making the marriage of soft semi-open set with soft pre-open set in neutrosophic soft topological *** ample of results are investigated in NSBTS on the basis of this new neutrosophic soft∗b open *** examples are settled for justification of these *** non-validity of some results is vindicated with examples.

关键词： Neutrosophic soft set(NSS) neutrosophic soft points(NSP) neutrosophic soft bi-topological structurers(NSBTS) neutrosophic soft∗b-open set and neutrosophic soft∗b-separation axioms

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Roadside dust contamination with toxic metals along industrial area in Islamabad, Pakistan

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Nuclear Science and Techniques 2014年第3期25卷 8-13页

作者： Waheed Akram Morgan Madhuku Kashif Shahzad Ali Awais Ishfaq Ahmad muhammad arif Ishaq Ahmad National Center for Physics IslamabadPakistan iThemba LABS Private Bag X11Wits 2050JohannesburgSouth Africa

An investigation has been carried out to understand the contamination characteristics of roadside dust in the industrial area of Islamabad, Pakistan. The amounts of Si, S, Cl, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Pb,Zn, Ga, As, Se and Cd were determined from 95 roadside dust samples collected along the Islamabad industrial area using Proton Induced X-ray Emission(PIXE). The results indicated that concentrations of all elements,except Cd, in the roadside dust were significant. The results of the enrichment factor show that the elementary composition of the roadside dust could be categorized as soil elements from the crust of the earth and elements from anthropogenic pollution. The high enrichment factors imply that elements such Cr, Cu, Pb, Zn, As, Se,Cd, Ni, Co and S came from anthropogenic activities. The source of metal contamination was identified using multivariate statistical analysis. It has been concluded that Ca, Sc, Ti, V, Mn and Fe mainly originate from crustal sources; Cr, Cu, Ni, Pb, Zn and Ga are associated with point-sources from industrial pollution/traffic;and S, Cl, K, As and Se are mainly related to oil/coal combustion.

关键词：伊斯兰堡灰尘污染巴基斯坦工业区有毒金属土壤元素多元统计分析 X射线发射

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Efficient Cloud Resource Scheduling with an Optimized Throttled Load Balancing Approach

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Computers, Materials & Continua 2023年第11期77卷 2179-2188页

作者： V.Dhilip Kumar J.Praveenchandar muhammad arif Adrian Brezulianu Oana Geman Atif Ikram Department of Computer Science and Engineering Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and TechnologyChennai600062India Department of Computer Science and Engineering Karunya Institute of Technology and SciencesCoimbatoreTamil Nadu641114India Department of Computer Science Superior UniversityLahorePakistan Faculty of Electronics Telecommunications and Information Technology Gheorghe Asachi Technical University of IasiIa¸si700050Romania Department of Health and Human Development Stefan cel Mare University of SuceavaSuceava720229Romania Faculty of Ocean Engineering Technology and Informatics University Malaysia TerengganuKuala NerusMalaysia

Cloud Technology is a new platform that offers on-demand computing Peripheral such as storage,processing power,and other computer system *** is also referred to as a system that will let the consumers utilize computational resources like databases,servers,storage,and intelligence over the *** a cloud network,load balancing is the process of dividing network traffic among a cluster of available servers to increase *** is also known as a server pool or server *** a single node is overwhelmed,balancing the workload is needed to manage unpredictable *** load balancer sends the load to another free node in this *** focus on the Balancing of workflows with the proposed approach,and we present a novel method to balance the load that manages the dynamic scheduling *** of the preexisting load balancing techniques is considered,however it is somewhat modified to fit the scenario at *** on the experimentation’s findings,it is concluded that this suggested approach improves load balancing consistency,response time,and throughput by 6%.

关键词： Load balancing throttled algorithm efficient resource allocation

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Automated Test Case Generation from Requirements: A Systematic Literature Review

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Computers, Materials & Continua 2021年第5期67卷 1819-1833页

作者： Ahmad Mustafa Wan M.N.Wan-Kadir Noraini Ibrahim muhammad arif Shah muhammad Younas Atif Khan Mahdi Zareei Faisal Alanazi Department of Software Engineering School of ComputingUniversiti Teknologi Malaysia Johor BahruJohor81310Malaysia Department of Computer Science Government College UniversityFaisalabad38000Pakistan Department of Software Engineering Pak-Austria Fachhochschule Institute of Applied Sciences and TechnologyHaripur22620Pakistan Department of Computer Science Islamia College PeshawarPeshawarPakistan Tecnologico de Monterrey School of Engineering and SciencesZapopan45201Mexico Department of Electrical Engineering Prince Sattam Bin Abdulaziz UniversityAl Kharj11942Saudi Arabia

Software testing is an important and cost intensive activity in software *** major contribution in cost is due to test case ***-based testing is an approach in which test cases are derivative from requirements without considering the implementation’s internal ***-based testing includes functional and nonfunctional *** objective of this study is to explore the approaches that generate test cases from requirements.A systematic literature review based on two research questions and extensive quality assessment criteria includes *** study identies 30 primary studies from 410 studies spanned from 2000 to *** review’s nding shows that 53%of journal papers,42%of conference papers,and 5%of book chapters’address requirementsbased *** of the studies use UML,activity,and use case diagrams for test case generation from *** of the signicant lessons learned is that most software testing errors are traced back to errors in natural language requirements.A substantial amount of work focuses on UML diagrams for test case generations,which cannot capture all the system’s developed ***,there is a lack of UML-based models that can generate test cases from natural language requirements by rening them in *** criteria indicate how efciently the testing has been performed 12.37%of studies use requirements coverage,20%of studies cover path coverage,and 17%study basic coverage.

关键词： Test case generation functional testing techniques requirementsbased test case generation system testing natural language requirement requirements tractability coverage criteria

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