Mat Salim Selamat

@uitm.edu.my

Senior Lecturer, College of Computing, Informatics and Mathematics
Universiti Teknologi MARA

Mat Salim Selamat


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https://researchid.co/matsalimselamat

RESEARCH, TEACHING, or OTHER INTERESTS

Numerical Analysis, Applied Mathematics
8

Scopus Publications

Scopus Publications

  • A multistage Banach contraction method for approximate solution of Riccati equation
    Mat Salim Selamat, Rahmah Sharil, Rosha Mohamed, Mohd Najir Tokachil
    Aip Conference Proceedings, 2024
  • Semi Analytical Iterative Method for Solving Chemical Reaction System
    Mat Salim Selamat, Rahmah Shahril, Rosha Mohamed, Mohd Najir Tokachil
    Aip Conference Proceedings, 2024
  • The semi analytics iterative method for solving newell-whitehead-segel equation
    Busyra Latif, Mat Salim Selamat, Ainnur Nasreen Rosli, Alifah Ilyana Yusoff, Nur Munirah Hasan
    Mathematics and Statistics, 2020
    Newell-Whitehead-Segel (NWS) equation is a nonlinear partial differential equation used in modeling various phenomena arising in fluid mechanics. In recent years, various methods have been used to solve the NWS equation such as Adomian Decomposition method (ADM), Homotopy Perturbation method (HPM), New Iterative method (NIM), Laplace Adomian Decomposition method (LADM) and Reduced Differential Transform method (RDTM). In this study, the NWS equation is solved approximately using the Semi Analytical Iterative method (SAIM) to determine the accuracy and effectiveness of this method. Comparisons of the results obtained by SAIM with the exact solution and other existing results obtained by other methods such as ADM, LADM, NIM and RDTM reveal the accuracy and effectiveness of the method. The solution obtained by SAIM is close to the exact solution and the error function is close to zero compared to the other methods mentioned above. The results have been executed using Maple 17. For future use, SAIM is accurate, reliable, and easier in solving the nonlinear problems since this method is simple, straightforward, and derivative free and does not require calculating multiple integrals and demands less computational work.
  • Numerical solution of Painlev'e equation i by Daftardar-Gejji and Jafari method
    M. S. Selamat, B. Latif, N. A. Aziz, F. Yahya
    Aip Conference Proceedings, 2017
  • Effects of position of partitions on natural convection in squares enclosures
    Mat Salim Selamat, Ishak Hashim
    Aip Conference Proceedings, 2014
    A numerical investigation of transient magnetohydrodynamic free convection in partitioned square enclosure filled with a fluid-saturated porous medium with internal heat generation has been performed. Two thin partitions which are considered fully insulated placed in the enclosure. A uniform magnetic field, inclined at angled γ with respect to the horizontal plane, is externally imposed. A finite difference method is used to solve numerically the non-dimensional governing equations. The effects of position of partitions on the natural convection are studied. It is found that inclination angle of the magnetic field and the position of partitions has a significant influence on the rate of heat transfer.
  • Effects of inclination angle on the natural convection in porous trapezoidal cavity
    Mat Salim Selamat, Ishak Hashim
    Aip Conference Proceedings, 2013
    Natural convection heat transfer in a porous trapezoidal cavity with an inside horizontal thin plate heater has been investigated numerically. The sloping walls of the trapezoid are maintained at constant temperature Tc, while the top and bottom walls are insulated. A thin plate heater with temperature Th (Th>Tc) is located inside the porous trapezoidal cavity. The governing equations are discretized using a finite difference method. The study was performed for different Rayleigh number ranging from 10 to 104 with different inclination angles of the sloping wall. The results indicate that the heat transfer performance decreases by decreasing the angle of the sloping wall.
  • Natural convection in an inclined porous cavity with spatial sidewall temperature variations
    M. S. Selamat, R. Roslan, I. Hashim
    Journal of Applied Mathematics, 2012
    The natural convection in an inclined porous square cavity is investigated numerically. The left wall is assumed to have spatial sinusoidal temperature variations about a constant mean value, while the right wall is cooled. The horizontal walls are considered adiabatic. A finite difference method is used to solve numerically the nondimensional governing equations. The effects of the inclination angle of the cavity, the amplitude and wave numbers of the heated sidewall temperature variation on the natural convection in the cavity are studied. The maximum average Nusselt number occurs at different wave number. It also found that the inclination could influence the Nusselt number.
  • Transient natural convection in porous square cavity heated and cooled on adjacent walls
    M. S. Selamat, I. Hashim, M. K. Hasan
    Mathematical Problems in Engineering, 2012
    Transient natural convection in a square cavity filled with a porous medium is studied numerically. The cavity is assumed heated from one vertical wall and cooled at the top, while the other walls are kept adiabatic. The governing equations are solved numerically by a finite difference method. The effects of Rayleigh number on the initial transient state up to the steady state are investigated for Rayleigh number ranging from 10 to 2 × 102. The evolutions of flow patterns and temperature distributions were presented for Rayleigh numbers, Ra = 102 and 103. It is observed that the time taken to reach the steady state is longer for low Rayleigh number and shorter for high Rayleigh number.