Subjects -> MATHEMATICS (Total: 1013 journals)
    - APPLIED MATHEMATICS (92 journals)
    - GEOMETRY AND TOPOLOGY (23 journals)
    - MATHEMATICS (714 journals)
    - MATHEMATICS (GENERAL) (45 journals)
    - NUMERICAL ANALYSIS (26 journals)
    - PROBABILITIES AND MATH STATISTICS (113 journals)

MATHEMATICS (714 journals)            First | 1 2 3 4     

Showing 401 - 538 of 538 Journals sorted by number of followers
Journal for Research in Mathematics Education     Full-text available via subscription   (Followers: 31)
Annals of Data Science     Hybrid Journal   (Followers: 17)
Mathematics Education Research Journal     Partially Free   (Followers: 16)
ACM Transactions on Algorithms (TALG)     Hybrid Journal   (Followers: 13)
International Journal of Theoretical and Mathematical Physics     Open Access   (Followers: 13)
Teaching Mathematics     Full-text available via subscription   (Followers: 10)
Journal of Theoretical and Applied Physics     Open Access   (Followers: 9)
Mathematics Teacher: Learning and Teaching PK-12     Full-text available via subscription   (Followers: 9)
African Journal of Educational Studies in Mathematics and Sciences     Full-text available via subscription   (Followers: 8)
Mathematics Teaching in the Middle School     Full-text available via subscription   (Followers: 8)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 7)
Royal Society Open Science     Open Access   (Followers: 7)
Advances in Linear Algebra & Matrix Theory     Open Access   (Followers: 7)
Applied Mathematics     Open Access   (Followers: 6)
REDIMAT : Journal of Research in Mathematics Education     Open Access   (Followers: 6)
ACM Transactions on Mathematical Software (TOMS)     Hybrid Journal   (Followers: 6)
Journal of Optimization     Open Access   (Followers: 6)
Annuaire du Collège de France     Open Access   (Followers: 6)
Journal of Nonlinear Analysis and Optimization : Theory & Applications     Open Access   (Followers: 6)
African Journal of Mathematics and Computer Science Research     Open Access   (Followers: 5)
ACM Transactions on Computational Logic (TOCL)     Hybrid Journal   (Followers: 5)
European Scientific Journal     Open Access   (Followers: 5)
Annals of Mathematics     Full-text available via subscription   (Followers: 5)
JRAMathEdu : Journal of Research and Advances in Mathematics Education     Open Access   (Followers: 5)
Proceedings of the American Mathematical Society, Series B     Open Access   (Followers: 4)
American Journal of Computational and Applied Mathematics     Open Access   (Followers: 4)
Abakós     Open Access   (Followers: 4)
Modelling in Civil and Environmental Engineering     Open Access   (Followers: 4)
MUST : Journal of Mathematics Education, Science and Technology     Open Access   (Followers: 4)
International Journal of Mathematical Modelling & Computations     Open Access   (Followers: 4)
Journal of Mathematical Sciences and Applications     Open Access   (Followers: 3)
International Journal of Partial Differential Equations     Open Access   (Followers: 3)
Annales mathématiques du Québec     Hybrid Journal   (Followers: 3)
International Journal of Algebra and Statistics     Open Access   (Followers: 3)
Bulletin of Dnipropetrovsk University. Series : Communications in Mathematical Modeling and Differential Equations Theory     Open Access   (Followers: 3)
Game Theory     Open Access   (Followers: 3)
Applied Network Science     Open Access   (Followers: 3)
Quantum Studies : Mathematics and Foundations     Hybrid Journal   (Followers: 2)
Electronic Journal of Graph Theory and Applications     Open Access   (Followers: 2)
Mathematics and Statistics     Open Access   (Followers: 2)
Synthesis Lectures on Algorithms and Software in Engineering     Full-text available via subscription   (Followers: 2)
Journal of Industrial Mathematics     Open Access   (Followers: 2)
International Journal of Fuzzy Computation and Modelling     Hybrid Journal   (Followers: 2)
Journal of mathematical and computational science     Open Access   (Followers: 2)
Stochastic Partial Differential Equations : Analysis and Computations     Hybrid Journal   (Followers: 2)
International Journal of Modern Nonlinear Theory and Application     Open Access   (Followers: 2)
Cogent Mathematics     Open Access   (Followers: 2)
Open Journal of Modelling and Simulation     Open Access   (Followers: 2)
Iranian Journal of Optimization     Open Access   (Followers: 2)
Unnes Journal of Mathematics Education     Open Access   (Followers: 2)
Algorithms Research     Open Access   (Followers: 2)
Baltic International Yearbook of Cognition, Logic and Communication     Open Access   (Followers: 2)
Journal of Progressive Research in Mathematics     Open Access   (Followers: 1)
Unnes Journal of Mathematics Education Research     Open Access   (Followers: 1)
MSOR Connections     Open Access   (Followers: 1)
Journal of Numerical Cognition     Open Access   (Followers: 1)
Discussiones Mathematicae Graph Theory     Open Access   (Followers: 1)
Nagoya Mathematical Journal     Hybrid Journal   (Followers: 1)
GSTF Journal of Mathematics, Statistics and Operations Research     Open Access   (Followers: 1)
Electronic Journal of Differential Equations     Open Access   (Followers: 1)
Complex Analysis and its Synergies     Open Access   (Followers: 1)
Research in Number Theory     Hybrid Journal   (Followers: 1)
Journal of Advanced Mathematics and Applications     Full-text available via subscription   (Followers: 1)
American Journal of Mathematical Analysis     Open Access   (Followers: 1)
Unnes Journal of Mathematics     Open Access   (Followers: 1)
Revista de Matemática : Teoría y Aplicaciones     Open Access   (Followers: 1)
The Mathematical Gazette     Full-text available via subscription   (Followers: 1)
Transactions of the London Mathematical Society     Open Access   (Followers: 1)
Press Start     Open Access   (Followers: 1)
Journal of Logical and Algebraic Methods in Programming     Hybrid Journal   (Followers: 1)
European Journal of Mathematics     Hybrid Journal   (Followers: 1)
Arnold Mathematical Journal     Hybrid Journal   (Followers: 1)
Discrete Mathematics & Theoretical Computer Science     Open Access   (Followers: 1)
Synthesis Lectures on Mathematics and Statistics     Full-text available via subscription   (Followers: 1)
Mathematica Scandinavica     Full-text available via subscription   (Followers: 1)
Annals of West University of Timisoara - Mathematics     Open Access   (Followers: 1)
Axioms     Open Access   (Followers: 1)
International Journal of Applied Mathematical Research     Open Access   (Followers: 1)
Mathematical Modelling and Analysis     Open Access   (Followers: 1)
Research Journal of Pure Algebra     Open Access   (Followers: 1)
Arabian Journal of Mathematics     Open Access   (Followers: 1)
CAUCHY     Open Access   (Followers: 1)
Journal of Complex Networks     Hybrid Journal   (Followers: 1)
Journal of Complex Analysis     Open Access   (Followers: 1)
Journal of Discrete Mathematics     Open Access   (Followers: 1)
Mathematical Computation     Open Access   (Followers: 1)
Forum of Mathematics, Pi     Open Access   (Followers: 1)
Forum of Mathematics, Sigma     Open Access   (Followers: 1)
VFAST Transactions on Mathematics     Open Access   (Followers: 1)
Sciences & Technologie A : sciences exactes     Open Access  
Revista Digital: Matemática, Educación e Internet     Open Access  
Revista Internacional de Sistemas     Open Access  
Revista SIGMA     Open Access  
Revista Integración : Temas de Matemáticas     Open Access  
Armenian Journal of Mathematics     Open Access  
Journal of Integrable Systems     Open Access  
Fractal and Fractional     Open Access  
Discussiones Mathematicae - General Algebra and Applications     Open Access  
Contributions to Game Theory and Management     Open Access  
Problemy Peredachi Informatsii     Full-text available via subscription  
Differentsial'nye Uravneniya     Open Access  
Doklady Akademii Nauk     Open Access  
Funktsional'nyi Analiz i ego Prilozheniya     Full-text available via subscription  
Matematicheskie Zametki     Full-text available via subscription  
Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya     Full-text available via subscription  
Diskretnaya Matematika     Full-text available via subscription  
Vestnik Samarskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki     Open Access  
Communications in Combinatorics and Optimization     Open Access  
MaPan : Jurnal Matematika dan Pembelajaran     Open Access  
Revista REAMEC : Rede Amazônica de Educação em Ciências e Matemática     Open Access  
Eco Matemático     Open Access  
PNA. Revista de Investigación en Didáctica de la Matemática     Open Access  
Indonesian Journal of Combinatorics     Open Access  
Al-Jabar : Jurnal Pendidikan Matematika     Open Access  
JMPM : Jurnal Matematika dan Pendidikan Matematika     Open Access  
Researches in Mathematics     Open Access  
Limits : Journal of Mathematics and Its Applications     Open Access  
JIPM (Jurnal Ilmiah Pendidikan Matematika)     Open Access  
Jurnal Natural     Open Access  
Journal of Indian Council of Philosophical Research     Hybrid Journal  
The Mathematica journal     Open Access  
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan     Open Access  
Uniform Distribution Theory     Open Access  
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Jurnal Riset Pendidikan Matematika     Open Access  
Journal of Computer Engineering, System and Science (CESS)     Open Access  
Jurnal Teknologi dan Sistem Komputer     Open Access  
Boletim Cearense de Educação e História da Matemática     Open Access  
International Journal of Advanced Research in Mathematics     Open Access  
Jurnal Matematika, Sains, Dan Teknologi     Open Access  
Archive of Numerical Software     Open Access  
Journal of the Indian Mathematical Society     Hybrid Journal  
International Journal of Computational Complexity and Intelligent Algorithms     Hybrid Journal  
Cuadernos de Investigación y Formación en Educación Matemática     Open Access  
Annales Mathematicae Silesianae     Open Access  
Recreational Mathematics Magazine     Open Access  
International Journal of Pure Mathematical Sciences     Open Access  
Revista de Educación Matemática     Open Access  
Revista BoEM - Boletim online de Educação Matemática     Open Access  
Topological Methods in Nonlinear Analysis     Full-text available via subscription  
North Carolina Journal of Mathematics and Statistics     Open Access  
Moroccan Journal of Pure and Applied Analysis     Open Access  
Jurnal Matematika     Open Access  
International Journal of Mathematical Sciences and Computing     Open Access  
Journal of Function Spaces     Open Access  
Sahand Communications in Mathematical Analysis     Open Access  
Pure Mathematics and Applications     Open Access  
Journal of the Nigerian Mathematical Society     Open Access  
Kreano, Jurnal Matematika Kreatif-Inovatif     Open Access  
Opuscula Mathematica     Open Access  
Lettera Matematica     Hybrid Journal  
International Journal of Applied and Computational Mathematics     Hybrid Journal  
Boletín de la Sociedad Matemática Mexicana     Hybrid Journal  
Bulletin of the Malaysian Mathematical Sciences Society     Hybrid Journal  
Facta Universitatis, Series : Mathematics and Informatics     Open Access  
ITM Web of Conferences     Open Access  
Turkish Journal of Mathematics     Open Access  
Bollettino dell'Unione Matematica Italiana     Full-text available via subscription  
Research in the Mathematical Sciences     Open Access  
Note di Matematica     Open Access  
Ithaca : Viaggio nella Scienza     Open Access  
ORiON     Open Access  
Journal of Scientific Research     Open Access  
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica     Open Access  
Analele Universitatii Ovidius Constanta - Seria Matematica     Open Access  
Global Journal of Mathematical Sciences     Full-text available via subscription  
Jurnal Penelitian Sains (JPS)     Open Access  
Journal of Mathematical and Fundamental Sciences     Open Access  
Boletim de Educação Matemática     Open Access  
Uniciencia     Open Access  
MATICS     Open Access  
Chinese Journal of Mathematics     Open Access  
Carpathian Mathematical Publications     Open Access  
Journal of the Egyptian Mathematical Society     Open Access  
Tatra Mountains Mathematical Publications     Open Access  
Dhaka University Journal of Science     Open Access  
International Journal of Advanced Mathematical Sciences     Open Access  
Journal of Global Research in Mathematical Archives     Open Access  
Sigmae     Open Access  
Journal of Modern Mathematics Frontier     Open Access  
International Journal of Mathematics & Computation     Full-text available via subscription  
Journal of Mathematics     Open Access  
Computational Methods and Function Theory     Hybrid Journal  
SeMA Journal     Hybrid Journal  
Vietnam Journal of Mathematics     Hybrid Journal  
Acta Mathematica Vietnamica     Hybrid Journal  
International Journal of Applied Nonlinear Science     Hybrid Journal  
Advances in Fixed Point Theory     Open Access  
Information and Inference     Free  
Tamkang Journal of Mathematics     Open Access  
Le Matematiche     Open Access  
Journal of Mathematics Research     Open Access  
GANIT : Journal of Bangladesh Mathematical Society     Open Access  
Journal of Experimental Algorithmics     Full-text available via subscription  
Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Serie A. Matematicas     Partially Free  
BIBECHANA     Open Access  
InfraMatics     Open Access  
Mathematical Sciences     Open Access  
Journal of Homotopy and Related Structures     Hybrid Journal  
PAMM : Proceedings in Applied Mathematics and Mechanics     Free  

  First | 1 2 3 4     

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VFAST Transactions on Mathematics
Number of Followers: 1  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2309-0022 - ISSN (Online) 2309-0022
Published by Virtual Foundation for Advancement of Science and Technology Homepage  [2 journals]
  • Upper Bound of the Third Hankel Determinant for a Subclass of Analytic
           Functions Subordinate to Cosine Function

    • Authors: Khurshid Ahmad, Serkan Araci, Mirajul Haq, Bilal Khan
      Abstract: In this paper, we define a new subclass of analytic functions involving the cosine functions. For this function class, we obtain the upper bound of the third Hankel determinant.
      PubDate: 2022-04-16
      Issue No: Vol. 9 (2022)
       
  • Solution of Time-Fractional Third-Order Partial Differential Equations of
           One and Higher Dimensions

    • Authors: Safdar Ali, Fozia Hanif, Muhammad Ilyas, Rehan Shams, Muhammad Rehan, Syed Inayatullah
      Abstract: The purpose of this study is to develop the third order time fractional partial differential equations (PDEs) in one and higher dimensions, by taking Laplace Adomian decomposition method (LADM) and q-homotopy analysis transform method (q-HATM). To define fractional derivative, the Caputo operator is used for both fractional and integer orders. The solutions are obtained in the form of series. To understand the procedure of the suggested procedure, three numerical examples are taken. The graphs are plotted for the proposed solution at different values of fractional order '''' which is 0< '''' ≤ 1. Both proposed methods are implemented by using (LADM) and (q-HATM) showing that the proposed technique is found to be better and accurate instrument for solving linear and non-linear time fractional PDEs. The Novelty of the proposed study is that the provided solution for fractional order partial differential equations has never been attempted for third order, this means that the provided solution can solve the third order and could be generalized for the higher order also.
      PubDate: 2022-12-31
      Issue No: Vol. 10 (2022)
       
  • The melting behavior of Paraffin RT-50 in a finned cylindrical surface

    • Authors: Waris Ali, Asif Ali Shaikh, Feroz Shah, Sajjad Hussain
      Abstract: The energy provision is one of the main concerns of modern technological processes and thermal management systems. Through latent heat energy, the storage of thermal energy using phase-change materials is examined in this paper. Paraffin Rubitherm 50 is filled in the cylinder. The base of the cylinder is heated and the vertical surface is made adiabatic. The melting procedure for two cases namely the plane surface and finned surface of the cylinder are considered. The melt fractions are observed and photographed for fixed intervals of time from solid state to total melt state. Initially, the melting of specified PCM was slow and then it became faster when convection heat transfer is accompanied with the conduction. The melting of PCM is geared with fin presence.
      PubDate: 2022-12-31
      Issue No: Vol. 10 (2022)
       
  • The Hydrodynamics of Gravity-Driven Vessel Drainage of Third Order Fluid
           using Perturbation Method

    • Authors: Azam Ali, K. N. Memon, Syed Feroz Shah, Mohsin Amur, A. M. Siddiqui
      Abstract: This work clarifies the tank drainage problem of unsteady, incompressible and isothermal third-order fluid. The analytical solution is obtained from governing continuity and momentum equations for resulting non-linear PDE with no-slip conditions using the perturbation technique. The V(z) velocity profile, flow rate, depth H(t), time efflux, and time depth of the mass relation have been inspected on various parameters. The consequences of the depth H(t), the pipe having radius R, the density of the fluid ρ pipe of length L, dynamic viscosity µ, and small perturbation parameter ϵ on the velocity profile are beheld graphically. Comparison of Analytical result of the special case of third order fluid with existing literature when ϵ = 0 is given.
      PubDate: 2022-12-31
      Issue No: Vol. 10 (2022)
       
  • A new three step derivative free method using weight function for
           

    • Authors: Sanaullah Jamali, Zubair Ahmed Kalhoro, Abdul Wasim Shaikh, Muhammad Saleem Chandio, Sanaullah Dehraj
      Abstract: Abstract In this paper a three-step numerical method, using weight function, has been derived for finding the root of non-linear equations. The proposed method possesses the accuracy of order eight with four functional evaluations.
      The efficiency index of the derived scheme is 1.682. Numerical examples, application problems are used to demonstrate the performance of the presented schemes and compare them to other available methods in the literature of the same order. Matlab, Mathematica 2021 & Maple 2021 software were used for numerical results.
      PubDate: 2022-12-31
      Issue No: Vol. 10 (2022)
       
  • A Novel Two Point Optimal Derivative free Method for Numerical Solution of
           Nonlinear Algebraic, Transcendental Equations and Application Problems
           using Weight Function

    • Authors: Sanaullah Jamali, Zubair Ahmed Kalhoro, Abdul Wasim Shaikh, Muhammad Saleem Chandio, Sanaullah Dehraj
      Abstract: It’s a big challenge for researchers to locate the root of nonlinear equations with minimum cost, lot of methods are already exist in  literature to find root but their cost are very high In this regard we introduce a two-step  fourth order method by using weight function. And proposed method is optimal and derivative free for solution of nonlinear algebraic and transcendental and application problems. MATLAB, Mathematica and Maple software are used to solve the convergence and numerical problems of proposed and their counterpart methods.
      PubDate: 2022-12-31
      Issue No: Vol. 10 (2022)
       
  • Analysis of Two-Level Complex Shifted Laplace Preconditioner and
           Deflation-Based Preconditioner for Helmholtz Equation

    • Authors: Hanan Shiekh, Rao Faisal Rajput, K. B. Amur
      Abstract: A Long time deflation preconditioner is used to speed up the convergence of the Krylov subspace method. The discretization of Helmholtz equation with Dirichlet boundary condition by finite difference method obtained any linear system. Resolving a large wavenumber requires a larger number of Grid points, i.e. large linear systems. Thus due to the large linear system, many (sparse) direct methods have taken more memory, So we have used the (iterative technique) Krylov subspace method. One of the problems of the Krylov subspace method is the required preconditioner for better convergence. We use (CSLP) as a preconditioner and drive eigenvalues of (CSLP). However, with increasing wavenumber CSLP shows slow convergence behavior. Then we use another projection-type preconditioner as a deflation preconditioner. A rigorous Fourier analysis (RFA) is a separate research idea to examine the con- vergence of the iterative method included in this article. We analyze the deflation preconditioner with a complex shifted Laplace preconditioner (CSLP) which exhibition spectral behavior of the preconditioner, which is favorable to the Krylov method.
      PubDate: 2022-12-31
      Issue No: Vol. 10 (2022)
       
  • Optimum solutions of partial differential equation with initial condition
           using optimization techniques

    • Authors: Muhammad Bilal, Shakoor Muhammad, Nekmat Ullah, Fazal Hanan, Subahan Ullah
      Abstract: This paper proposes a new minimization technique for the solutions of partial differential equation with initial conditions. The proposed procedure is used to minimize the obtained solutions through any numerical technique. For
      the minimization process, Non-linear Nelder-Mead Simplex algorithm and genetic algorithm are used as optimization techniques. The designed partial differential equation has been calculated as an error function for the minimization process. Both Non-linear Nelder-Mead Simplex and genetic algorithm guarantees the minimization of nonlinear partial differential equation with initial conditions. The resultant technique has a global validity for the solutions minimization of partial differential equations. Non-linear Nelder-Mead simplex showed better performance than genetic algorithm when tested on numerical instances.
      PubDate: 2022-12-17
      Issue No: Vol. 10 (2022)
       
  • Effect of the Arbitrary Coefficients on the convergence of numerical
           solution of General Second Order Linear Homogeneous Partial Differential
           Equation

    • Authors: Liaquat Ali Zardari, Shakeel Ahmed Kamboh, Abbas Ali Ghoto, Dr. Kirshan Kumar Luhana, Dr. Shah Zaman Nizamani
      Abstract: In this study the effect of the coecients on the convergence of numerical solution of general second order linear homogeneous partial differential equation has been investigated. The main objective was to determine the sensitivity of the coecients of the PDE in relation to the domain and mesh size. The nite difference method was used to discretize the PDE and numerical solution was obtained by implementing the algorithm on MATLAB. The outcomes of the research have provided interesting facts about the stable values of the coecients. From the results it is found that the arbitrary coecients d and e are more sensitive as compared to a, b, c and f. The outcomes of this research study are expected to provide the ways to predict and control the numerical solution convergence behavior obtained by the general second order PDE based on the variable coecients of the PDE.
      PubDate: 2022-12-09
      Issue No: Vol. 10 (2022)
       
  • Power Hamy Mean Operators for managing Cubic Linguistic Spherical Fuzzy
           Sets and their Applications

    • Authors: Tasawar Abbas, Faisal Mumtaz, Zamir Hussain, Rehan Zafar
      Abstract: In modern social administrative economic activities, we are facing a considerable amount of multi-attribute group decision making problems. The methods and theory related to this method are very useful in the field of particular disciplines as well as in operational research, and a lot of achievements have been described. Obviously the real world is full of uncertainties and classical set theory cannot be used to describe different phenomena such as beauty, intelligence, height (tallness) and age etc. This thing leads mathematicians to develop the notion of fuzzy sets. Later Zadeh introduced the concept of membership and non-membership degree. Definitely human opinion about a phenomenon may be unidirectional or multi-directional, that’s why Atanossov proposed the concept of another advance type of fuzzy sets, which is known as intuitionistic fuzzy sets. His concept is based on a degree of membership and degree of non-membership with a exquisite that their sum must not exceed 1. In our work we introduced cubic linguistic spherical fuzzy sets. Then, we proposed the fundamental operation law for CLSFVs and a series of their average operators (AOs), such as the  (cubic linguistic spherical fuzzy power average),  (cubic linguistic spherical fuzzy power weighted average),  (cubic linguistic spherical fuzzy power hamy mean) and  (cubic linguistic spherical fuzzy power weighted hamy mean) operators, was developed by combining the power average and hamy mean operators in cubic linguistic spherical fuzzy environment. Also we described some specific desirable properties of all these operators. In addition, we suggested a new MAGDM method. 
      PubDate: 2022-11-28
      Issue No: Vol. 10 (2022)
       
  • Assessment of the COVID-19 Pandemic's Impact on Gasoline Prices in
           Pakistan

    • Authors: Muhammad Bilal, Muhammad Aamir, Saleem Abdullah, Noor Mahmood, Umair Khalil, Nida Khalid, Maqbool Ahmed, Muhammad Naeem, Shakoor Muhammad, Laiba Sultan Dar
      Abstract: Abstract The COVID-19 virus is a pandemic that, from the outset, alters its appearance and symptoms. It has aggressively spread around the world. The COVID-19-induced fear and uncertainty are disrupting the global economy and exacerbating financial market volatility. The most impacted countries were the United States, the United Kingdom, India, and Pakistan. The continuing COVID-19 situation is both a public health and economic concern on a worldwide. This research aims at how the spread of the COVID-19 has affected the cost of gasoline,
      diesel, and liquefied petroleum gas (LPG). Every week, statistics on COVID-19 instances and pricing are collected. The data was analyzed using the ARDL model and the Bound test to determine the short and long-term association between COVID-19 and prices. The Autoregressive distributive lag model findings reveal that confirmed and mortality cases impact fuel, diesel, and LPG prices.
      PubDate: 2022-11-17
      Issue No: Vol. 10 (2022)
       
  • Entropy-dependent solitons in ETG-driven magneto plasma

    • Authors: Tasawar Abbas, Ehsan Ul Haq, Ambreen Ayub, Asadullah Dawood
      Abstract: Nowadays, the discovery of the link between entropy and plasma density and temperature opens up new avenues for mathematicians and researchers to examine alternative plasma models in terms of entropy. After including the entropy drift in ETG mode, the linear dispersion relation and KdV equation are produced. In addition, the Variational Iteration Technique (VIM) is used to determine the problem’s analytical solutions. Involving the Langrange multiplier also helps to accelerate computation and lower its cost. Then, it is shown that in ETG mode, entropy impacts both the breadth and amplitude of rarefactive solitons, as well as the effects of the magnetic field and inhomogeneity drift on the structure of solitons. In this instance, however, only the rarefactive solitons are present. Since introducing entropy to the system might alter the previous plasma findings, this study is new. Finally, the current approach will be applied to the entropy-based analysis of solitary waves in magnetically confined plasmas. The graphical findings are also provided using Maple-18.
      PubDate: 2022-11-14
      Issue No: Vol. 10 (2022)
       
  • Applying the Crank-Nicolson’s scheme to discretize the laplacian
           operator in polar gird system on extendable stencil 5-points to 9-points
           including symmetric and asymmetric lines.

    • Authors: Rabnawaz Mallah, Wajid Ahmed Siyal, Saira Aslam, Muhammad Suleman Sial, Inayatullah Soomro
      Abstract: Abstract Numerous techniques exist for solving and describing the Partial differential equation’s mathematical and computational model. The Laplacian operator is one of the most effective techniques for solving linear and nonlinear partial differential equations. It is quick, and researchers use it frequently because of its modern technique and high accuracy in results. The Crank-Nicolson (CN) scheme in the Cartesian coordinate system has been discussed in this research work. Using this method, a numerical approximation scheme in Cartesian coordinate
      system has been discretized on a 5 point stencil, extendable to nine points. The Tailor Series was used to discretize this scheme on 5-point stencils, which will be used in FORTRAN code for numerical approximation and can be visualized in OPEDX software. The Nicolson scheme is a finite difference scheme used to solve partial differential equations such as heat, wave, and diffusion equations in both 1-D and 2-D. Because of his extendable stencil, it will create accuracy and stability in the novel results of the scheme. These extendable stencils will reduce the error of the scheme and will assist researchers in finding novel results by solving ODES and PDES using the CN method.
      PubDate: 2022-11-12
      Issue No: Vol. 10 (2022)
       
  • Semi-Analytical Solution of Unsteady Flow of Fractional Oldroyd-B Fluid
           between Oscillating Cylinders

    • Authors: Khadija Shaikh, Fozia Shaikh, Rahim Bux Khokhar, K.N. Memon
      Abstract: This paper investigates the fractional Oldroyd-B fluid flow across two interminable coaxial cylinders, where the fluid’s motion is generated by the oscillatory motion of cylinders and the oscillating pressure gradient. The profile of velocity and shear stress of the flow is derived through a semi-analytical approach with the assistance of the Caputo fractional derivative, Laplace transforms, and the finite Hankel transform. The semi-analytical solution is then displayed as generalized functions of G and R satisfying governing equations as well as all initial and boundary conditions thereupon. For authenticity, certain limits have been imposed on the resultant equations and their results have been contrasted against existing results. Furthermore, the effect of different parameters on the flow of Oldroyd-B fluid is analyzed and illustrated graphically.
      PubDate: 2022-11-12
      Issue No: Vol. 10 (2022)
       
  • Delta Perturbation Method for Couette-Poiseuille flows in Third grade
           fluids

    • Authors: Kamran Nazir Memon, Ahsan Mushtaque, Fozia Shaikh, AA Ghoto, A. M. Siddiqui
      Abstract: This work uses the Delta Perturbation Method (DPM) to theoretically evaluate the steady plane Couette-Poiseuille flowbetween two parallel plates for third-grade fluid.That'sa kind of perturbation approach and was deliveredwith the aid of Bender and his colleagues in the 1980s. Utilizing DPM, analytical solutions have been found from the governing continuity and momentum equations subject to the necessary boundary conditions. In this proposed model, the Newtonian solution is obtained through the substitution. It is possible to measure the velocity field, temperature distribution, volumetric flow rate, and average velocity of the fluid flow. We derived that the third-grade fluid's velocity will change in response to an increasing material constant from the visual and table representations of the impacts of different parameters on the velocity and temperature profiles.The suggested model additionally mentions temperature distribution losses with increases in thermal conductivity  and rises as a result of increases of dynamic viscosity , constant parameters and and material constant. Here we have also find out that temperature distribution and velocity profile enhance with higher magnitude of pressure gradient
      PubDate: 2022-11-12
      Issue No: Vol. 10 (2022)
       
  • Unsteady Flow of an MHD Tangent Hyperbolic Nanofluid Over a
           Stretching Sheet

    • Authors: Muhammad Asif Jamal, M. Faizan, Ahmed Farid, Fozia Shaikh, Fozia hanif
      Abstract: Abstract The recent article addresses the unsteady flow of MHD incompressible tangent hyperbolic fluid with Nanofluid particles in the direction of a stretching surface. Nano-fluid is related to thermo-phoretic and Brownian movement. With proper help through the transformation procedure, the set of non-linear (PDEs) is re-framed into (ODEs). The initiate expressions of momentum, temperature field, and nano-particle concentration are composed into groups of nonlinear equations. That consequential terminology is computed shooting system. The impact of fundamental parameters on the flow field, thermal circulation, and meditation is described. Moreover, the flow field behavior due to the Wall friction, local Nusselt, and Sherwood numbers are examined. This study is significant as this transformation determined the shooting technique’s numerical result and ensured the physical parameters’ behavior graphically. The results show that the velocity field diminishes by escalating the Weissenberg (We) figure and power-law index (n), while thermal and concentration fields remain to detect elevating at similar parameters. Furthermore, the computed result is compared with existing literature and gets accuracy.
      PubDate: 2022-06-30
      Issue No: Vol. 10 (2022)
       
  • Image Driven Isotropic Diffusivity and Complementary Regularization
           Approach for Image Denoising Problem

    • Authors: Memoona Pirzada, Khuda Bux Amur, Muzaffar Bashir Arain, Rajab Ali Malookani
      Abstract: We present the idea of image driven isotropic diffusivity along with complementary regularization for image denoising problem. The method is based on the optimization of a quadratic function in L2 norm. The minimization
      of the energy functional leads to the Partial Differential equation (PDE)-based problem. We are looking for a steady state solution of equivalent time dependent problem. We discretize the problem with standard finite differences. The steady-state numerical solution of the time dependent problem leads to the iterative procedure, which allow to compute a regularized version of the solution as a denoised image. We have applied our designed model on synthetic as well as real images. The numerous experiments have been conducted to analyse the performance of the method for the different choices of scaling parameters. From the quality of the obtained results and comparative study it is observed that the proposed model performs well as compared to well existing methods.
      PubDate: 2022-06-30
      Issue No: Vol. 10 (2022)
       
  • Algebra Based Encryption and Decryption Algorithms

    • Authors: Shakeel Ahmed Kamboh, Suhail Aslam Khaskheli, Abbas Ali Ghoto, Sunny Kumar Aassori, Muzaffar Bashir Arain
      Abstract: In this study an encryption/decryption algorithm is proposed and developed. The developed algorithm is based on the idea that any given plain text can be encrypted like a block cipher with a combination of three encryption keys k1, K2, ...KN that use any value between N = 1, 2, 3, n, . Then the cipher values can be used to make the blocks of alphabets containing only A, B, C, D, E, F, G, H, I, J, each block is separated by a space. The steps of algorithm could also be reversible for decryption of the cipher text. A MATLAB code is written to implement the algorithm and tested different input messages.Secret message consists of website
      link and bank account details. The specialty of the algorithm is that it can be flexibly used to encrypt and decrypt the secret messages containing not only English alphabets but also those messages containing the numbers, punctuations, elementary mathematics operations and the special characters. The performance of the algorithm is evaluated in terms of computational time, memory usage. From the analysis it is found that the proposed algorithm is faster in terms of execution time as compared to the modern algorithm which makes the algorithm computationally
      secure. The proposed research particularly contributes as the addition of knowledge in the field of cryptography and generally to the information security; consequently can be beneficial to the society.
      3
      PubDate: 2022-06-30
      Issue No: Vol. 10 (2022)
       
  • 3D Finite Difference Formulation and Simulation of EHD Ion-Drag Model

    • Authors: Kamran Nazir Memon, Shakeel Ahmed Kamboh, Sakina Kamboh, Abbas Ghoto, Fozia Shaikh, Nawab ahmed
      Abstract: This paper presents the simulation of electrohydrodynamically driven micropump obtained by using 3D finite difference method. EHD governing equations are discretized and then explicitly defined for output parameters. A 3D prototype of ion-drag micropump with symmetric electrodes is modeled and simulated for the velocity, the pressure, electric potential and electric field. The objective of this study was to evaluate the results obtained by finite difference method (FDM) with the results obtained by a finite element method (FEM) based
      simulation package COMSOL Multiphysics. The comparison reveals that the numerical simulation results obtained by both the methods are appreciably close
      to each other. The simulation results are also compared with the existing ex- perimental data and it was found that there are not high discrepancies between simulation and experimental results. The paper concludes that in case of regular geometries of ion-drag micropump the FDM is easy to implement and provides more control on different parameters involved in the simulation as compared to built-in finite element method based package.
      PubDate: 2022-06-30
      Issue No: Vol. 10 (2022)
       
  • Exact solution of some non‎linear PDE‎$ ‎‎{s} $ ‎with‎
           conformable fractional derivative

    • Authors: Alireza Mohammadpour
      Abstract: ‎In this article‎, the reduced differential transform method is improved to solve some nonlinear conformable time fractional partial differential equations. The solutions obtained by the purposed methd to solve the Korteweg-de Vries equation, k(m,n) for ‎ m=n=2, and Wu-Zhang (2+1)-dimensional dispersive long wave equation, show that the method is very effective.
      PubDate: 2022-04-22
      Issue No: Vol. 1 (2022)
       
 
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