Department of Mathematics (Math.): Recent submissions

  • Study of Certain Topics in Fuzzy Supra Topological Space 
    Molla, Md. Yahia (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2013-07)
    American Mathematician Lotfi A. Zadeh in 1965 first introduced the concept of fuzzy set. He interpreted a fuzzy set on a set as a mapping from the set into the unit interval I= [0, 1], which is a generalization of the ...
  • A study on 0-distributive nearlattice 
    Rahman, Md. Zaidur (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2014-11)
    In this thesis study of the nature of the 0-distributive nearlattices is presented. By a nearlattice S we will always mean a meet semilattice together with the property that any two elements possessing a common upper bound, ...
  • CFD modeling of a modified Ahmed Car Body for Reduced Drag 
    Azad, Abul Kalam (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2014-06)
    The wake flow behind the car presents the major contribution to a car drag. The flow over a car body is very complex. Hence MOVA consortium partners agreed to study the vehicle shape employed by Ahmed and Ramm (1984), known ...
  • A Case Study of the Solution of Laminar Convective Boundary Layer Flow around a Vertical Slender Body with Transpirations 
    Razzak, S. Md. Abdur (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2016-01)
    In this thesis, a case of the similarity solution of laminar convective boundary layer flow around a vertical slender body with transpirations has been investigated. Firstly, the governing boundary layer partial differential ...
  • Analytical Solutions of Second Order Nonlinear Ordinary Differential Systems with high Order Nonlinearity 
    Ghosh, Deepa Rani (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2016-01)
    Nonlinear oscillator models have been widely used in many areas of physics and engineering and are of significant importance in mechanical and structural dynamics for the comprehensive understanding and accurate prediction ...
  • Approximate Solution of the Quadratic Nonlinear Oscillator by Iteration Procedure 
    Hossain, Md. Rakib (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2015-12)
    An analytical technique has been developed based on an iteration method to determine higher order approximate periodic solutions for a nonlinear oscillator with discontinuity for which the elastic force term anti-symmetric ...
  • Approximate Analytic Solutions of the Nonlinear Cubic Oscillator by Iterative Method 
    Rahman, Md. Mominur (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2016-11)
    A modified approximate analytic solution of the cubic nonlinear oscillator “ẍ + x3 = 0" has been obtained based on an iteration method. Here we have used the truncated Fourier series in each iterative step. The approximate ...
  • A study on Weakly Complemented Nearlattice 
    Rahman, Mahfuza (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2016-07)
    In this thesis study of the nature of the weakly complemented nearlattice is presented. By a nearlattice S we will always mean a meet semilattice together with the property that any two elements possessing a common upper ...
  • Sequentially Renew Weighted Opportunity Cost Based Algorithm in Transportation Problems 
    Akhtar, Pushpa (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-12)
    Transportation models are of multidisciplinary fields of interest. In classical transportation approaches, the flow of allocation is controlled by the cost entries and/or manipulation of cost entries – so called Distribution ...
  • Analysis of Thermomagnetic Convection in a Vertical Layer of Ferromagnetic Fluid under Inclined Magnetic Field 
    Khatun, Mst. Lovly (Khulna University of Engineering & Technology (KUET), 2017-04)
    The main purpose of this study is to deal with the magneto-gravitational convection in a layer of ferromagnetic fluids between two vertical non-magnetic plates. One of the plates is kept at constant temperature. A uniform ...
  • Study on Standard Ideal and Homomorphism Theorem of a Nearlattice 
    Hossain, G.M. Jahid (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-04)
    In this thesis the standard ideal of a nearlattices is presented. By a nearlattice S we will always mean a meet semilattice together with the property that any two elements possessing a common upper bound, have a supremum. ...
  • Modification of Small Covered Van to Increase Fuel Efficiency Using Simulation 
    Mukta, Mahmuda Khatun (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-02)
    In gross, burning a certain amount of fuel in the similar environmental scenario if a vehicle can move more with respect to other vehicle is said to be more fuel efficient. This fuel efficiency certainly has dependency on ...
  • An Analytical Technique for Solving Second Order Strongly Damped Nonlinear Oscillator with a Fractional Power Restoring Force 
    Islam, Md. Saiful (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2017-03)
    In this thesis, an analytical technique has been developed for solving strongly nonlinear damped systems with 1/ 3 x restoring force by combining He’s homotopy perturbation method (HPM) and the extended form of the ...
  • Generalization of Distributive Lattice with Pseudo Complementation 
    Paul, Shubhra (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-08)
    Lattice theory is an important part of Mathematics. Distributive lattices with Pseudo complementation have played many roles in development of lattice theory. Historically, lattice theory started with Boolean distributive ...
  • Analytical Solution of Quadratic Nonlinear Oscillator by Extended Iteration Method 
    Flora, Shajia Afrin (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-08)
    A modified approximate analytic solution of the quadratic nonlinear oscillator '' x+ x2 = 0'' has been obtained based on an Extended Iteration method. In this study the Fourier series and utilized indispensable truncated ...
  • Improvement of Analytic Solution to the Inverse Truly Nonlinear Oscillator by Extended Iterative Method 
    Asifuzzaman, Md. (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-02)
    A new approach of the Mickens extended iterative method has been presented to obtain approximate analytic solutions for nonlinear oscillatory differential equation. To get modified approximate solution of the inverse ...
  • A Study on Some Discrete Transforms of Engineering Sciences 
    Shil, Barna (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2016-05)
    Transform methods has their great importance in the field of applied sciences, especially in engineering sciences. To most of us Laplace transform is well known and we are acquainted to solve differential equations with ...
  • A Study on Some Integral Transforms Used in Engineering Sciences 
    Mondal, Chhanda Rani (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2017-03)
    Transform methods, have their great importance in the field of applied sciences especially in engineering sciences, are divided in two categories continuous and discrete, of which our matter of interest is the continuous ...
  • A Mathematical Meta Model of Academic Attainment Based on Class Attendance and Socio-Economic Changes 
    Naher, Nazmin (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2016-09)
    The performance of students depend on many factors such as, attendance, motivation, level of engagement etc. which may be considered as the students attributes towards learning and some other attributes of the teachers ...
  • Study on Distributive Lattice and Boolean Function 
    Kundu, Joyanta Kumar (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2016-11)
    In this thesis the nature of distributive lattice and Boolean function is studied. Distributive lattices have played many roles in the development of lattice theory. Distributive lattices have been studied by several ...

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