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Now showing items 21-40 of 70

A Study of Single and Multi Step Methods To Solve Differential Equations

Khanam, Mary (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2011-04)

Here the task was to study single and multi step methods to solve differential equations. As Rungc-Kutta method. a single step method has some property to represent a larnily so attention has been given to that method. It ...
Similarity Solution of Unsteady Natural Convection Boundary Layer Flow above a Semi-infinite Porous Horizontal Plate with Suction and Blowing

Mojumder, Rita (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2011-12)

The present study deals with the similarity solutions of laminar boundary layer equations for the unsteady free convection flow over a heated horizontal semi-infinite porous plate. The Boussinesq approximation is employed ...
Iterated Local Search Approaches for Maximin Latin Hypercube Designs

Dey, Aparna (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2012-07)

Many scientific phenomena are now investigated by experimental design. In the field of experimental design problems we consider maximin Latin Hypercube Designs (LHDs). Problems are formulated as optimization ones. Optimal ...
Approximate Solution Techniques for Fourth Order Nonlinear Ordinary Differential Systems

Alom, Md. Asraful (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2012-12)

A perturbation method known as "the asymptotic averaging method" in the theory of nonlinear oscillations was first presented by Krylov and Bogoliubov (KB) in 1947. Primarily, the method was developed only to obtain the ...
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 ...
Complexity Analysis of Iterated Local Search Algorithm in Experimental Domain for Optimizing Latin Hypercube Designs

Mridha, Parimal (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2013-08)

Computer experiments involve a large numbers of variables, but only a few of them have no negligible influence on the response. As is recognized by several authors, the choice of the design points for computer experiments ...
Similarity Solution of Unsteady Convective Laminar Boundary Layer Flow about a Vertical Porous Surface with Suction and Blowing

Mandal, Bichakshan (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2013-08)

In this dissertation, similarity solution of unsteady laminar combined free and forced convective boundary layer flow past a vertical porous plate in viscous incompressible fluid with suction and blowing has been investigated ...
Approximate Solutions of Second and Fourth Order Ordinary Differential Systems with Strong Generalized Nonlinearity

Ullah, Md. Wali (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2013-12)

A perturbation method known as "the asymptotic averaging method" in the theory of nonlinear oscillations was first presented by Krylov and Bogoliubov (KB) in 1947. Primarily, the method was developed only to obtain the ...
Population Based Heuristics Approaches for Packing Circles in a Circular Container

Alam, Md. Asadul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2014-01)

In this Thesis we mainly deal with packing problems. Packing problems have mathematical as well as practical application point of interest. Population based heuristic algorithms like Evolutionary algorithm, Genetic algorithms ...
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 ...
Numerical Solution of Mixed Convective Laminar Boundary Layer Flow around a Vertical Slender Body with Suction or Blowing

Hasanuzzaman, Md. (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2014-08)

In this dissertation, numerical solution of mixed convective laminar boundary layer flow around a vertical slender body with suction or blowing has been investigated. Firstly, the governing boundary layer partial differential ...
Steady MHD Free Convection Heat and Mass Transfer Flow about a Vertical Porous Surface with Thermal Diffusion and Induced Magnetic Field

Afruz-zaman, Md. (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2014-08)

In this study the thermal diffusion effect on the steady laminar free convection flow and heat transfer of viscous incompressible MHD electrically conducting fluid above a vertical porous surface is considered under the ...
Numerical Study of the Effects of Temperature Dependent Physical Properties on MHD Natural Convection Flow Along a Vertical Wavy Surface With Heat Generation

Alam, Md. Shahidul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2014-09)

In this thesis the numerical study of the effect of temperature dependent physical properties on MHD natural convection flow of viscous incompressible fluid along a uniformly heated vertical wavy surface with heat generation ...
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, ...
Analytical Solutions of Third and Fourth Order Weakly Nonlinear Ordinary Differential Systems with Damping and Slowly Varying Coefficients by the Unified KBM Method

Ali, Md. Eabad (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2015-06)

A perturbation method known as "the asymptotic averaging method" in the theory of nonlinear oscillations was first presented by Krylov and Bogoliubov (KB) in 1947. Primarily, the method was developed only to obtain the ...
Optimality Analysis on the Basis of Rectangular (Manhattan) Distance Measure for Maximin LHDs Obtained by the Iterated Local Search Heuristics Approach

Ali, Md. Ishaque (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2015-06)

Design of Experiment (DoE) is an important issue for developing mathematical model of any physical problem especially when there exist large numbers of factors. Optimal Latin Hypercube Design (LHD) is one of the well-known ...
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 Inverse Cubic Truly Nonlinear Oscillator by Iterative Method

Bostami, Md. Bayezid (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2016-01)

An analytical technique has been developed based on an iteration method to determine higher-order approximate periodic solutions for nonlinear oscillatory differential equations. Usually, a set of nonlinear algebraic ...
New Analytical Methods for Finding Optimal Solution of a Transportation Problems

Kawser, Rijwana (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2016-01)

Determining the efficient solution for large scale of transportation problems (TPs) is an important task in operations research. TPs can also be formulated as a linear programming problem (LPP). The TP is concerned for ...
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 ...

Now showing items 21-40 of 70

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