BDU IR

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Thesis and Dissertations: Recent submissions

  • NUMERICAL SOLUTIONS OF THIRD ORDER ORDINARY DIFFERENTIAL EQUATIONS 
    GETNET', ZERIHUN (2017-08-25)
    In this report, numerical solution of third order linear differential equation is presented for solving two­ point and three-point boundary, value problems. The originaluhird-order boundary value problem is ~educed to ...
  • AMICABLE SETS ON AN ALMOST DISTRIBUTIVE LATTICE 
    DEREBEW, NIGUSSIE (2017-08-25)
    In this work, we discussed the concept of amicable sets on an almost distributive lattice. We proved that, the set of all amicable sets AM(L) forms an almost distributive lattice. we also describe that if L has maximal ...
  • SOLUTIONS OF ELLIPTIC PARTIAL DIFFERENTIAL EQUATIONS WITH SOME APPLICATIONS 
    GUESH, SIMRETAB (2017-08-25)
    The mam purpose of this report is to present the numerical solutions of elliptic PDEs, specifically Laplace and Poisson equations. The numerical analysis of an elliptic PDE begins by replacing the partial derivatives by ...
  • SURFACE AREA OF RANK SPHERE 
    ANTENEH, TILAHUN (2017-08-25)
    In this report, one of the properties of rank distance code (RD) which is the surface area of rank sphere is discussed .It is showed that the kth surface area Sk (0), which is the collection of rank norm-k is distance ...
  • THE PRACTICES AND CH.ALLENGS IN THE FOl~MULATION AN-D IMPLEMENTATION OF ANNUAL PLANS lN GOVERNMENT PRIMARY SCH()()LS OF EAST-(;OJ.JAM ZONE 
    MULU, ALAMRIE TSEGA YE (2017-08-25)
    It is clear that goodpractices in educational planningformulation and implementation activities leads to significant improvements in the education system as a whole. Based on this the purpose ofthis study was to assess ...
  • PRODUCT OF COMPACT SP ACES 
    MELAKU, ABERA (2017-08-25)
    It is well known that the theorem of Tychonoff, states that a product of Compact spaces is compact. In this paper we will prove the result for finitely many spaces, but unfortunately, the same method does not work for ...
  • REFINEMENTS-OF GENERALIZED JACOBI AND GENERALIZED GAUSS-SEIDEL ITERATION . . METHODS FOR SOLVING SYSTEM OF LINEAR EQUATIONS 
    TESFAY, HAILE W /SAMUEL (2017-08-25)
    The Jacobi and Gauss-Seidel methods are among the basic iterative methods for solving system of linear equations. They are now mostly used as pre conditioners for the popular iterative solvers. The main purpose of this ...
  • EQUATION OF MOTION OF ELLIPTIC CYLINDER 
    YOHANNES, MOLLA (2017-08-18)
    A theoretical investigation of equation of motion of elliptic cylinder; specifically equations for velocity potential, stream function, complex potential, and kinetic energy are studied, by considering two dimensional ...
  • NUMERICAL SOLUTION OF LAPLACE EQUATIONIN NON-RECTANGULAR DOMAIN 
    TIBEBU, MESERET (2017-08-18)
    The main purpose of this project was focused and concerned on the numerical solution of Laplace equation in non- rectangular domain by finite difference method and the most general case of the explicit solution to ...
  • MODELING THE EFFECTS OF MALARIA PREVENTATIVE MEASURES 
    SHIBABAW, TASSEW ABEBE (2017-08-18)
    In this thesis, the model consists of a system of ordinary differential equations. The equation model builds on classical SIR epidemiological models, with added constraints for the two preventative measures ITN and ...
  • A Third Order Euler Method for Solving Ordinary Differential Equations Using Numerical Method 
    MOHAMMED, SEID MUHIE (2017-08-18)
    The purpose of this project is to propose a great deal of interest to improve the Euler methods of solving initial value problems in ordinary differential equations because of its easy implementation and low computational ...
  • IMPLEMENTATION OF FINITE DIFFERENCE METHOD FOR UNIDIRECTIONAL FLOW 
    MINBALE, MOLLA (2017-08-18)
    The main purpose of this project is to show the implementation of finite difference method for unidirectional fluid flow of velocity pressure formulation. To find the numerical solution of fluids for unidirectional ...
  • CLOSURE OPERATORS ON COMPLETE ALMOST DISTRIBUTIVE LATTICES 
    MIHRET, ANTENEH (2017-08-18)
    In this project, we discuss ed the concept of complete Almost Distributive Lattice. We pr oved all closure operators of a complete Almost Distributive Lattice L with fixed maximal element m is dual atomistic. We defined ...
  • THE SOLUTION OF PARABOLIC PARTIAL DIFFERENTIAL EQUATIONS IN CHEBYSHEV SERIES 
    TIBEBU, ABIEBIE (2017-08-17)
    This project provides a practical overview of numerical solutions to parabolic partial differential equation in Chebyshev series. The method is given for the numerical solution of a linear parabolic equation in the ...
  • IRROTATIONAL MOTION OF A SPHERE 
    MIHRET, ADDIS KEBEDE (2017-08-17)
    Abstract This project work is discussed to investigate the equation of motion of sphere in three dimensions. It is done by considering three dimensional irrotational flows over a sphere using potential functions. ...
  • PSEUDO-SUPPLEMENTED ALMOST DISTRIBUTIVE LATTICES 
    MESFIN, RETA (2017-08-17)
    In this paper, we introduce the concept of Pseudo - Supplemented Almost Distributive Lattice (PSADL) as a generalization of Pseudo - Supplemented lattice in the class of ADLs . We drive many fundamental properties of ...
  • Closed and Dense Elements in Semi Heyting Almost Distributive Lattices 
    MASSRESHA, TEBABAL (2017-08-17)
    In this paper, we define the concept of a closed element and dense element in Semi Heyting Almost Distributive Lattice (SHADL) and derive some properties of closed elements and dense elements of . We also observe that ...
  • FOURTH ORDER ROOT FINDING METHOD OF EULER’S TYPE 
    KUMNEGER, YIHUNE (2017-08-17)
    In this project an iterative method of the fourth order for solving nonlinear equations of the form 0)( =xf is discussed. The comparison with other existing methods is performed regarding the computational efficiency ...
  • URYSOHN LEMMA 
    FEKADU, YEMATAW (2017-08-04)
    n this report, some properties ofthe separation ofany two distinct points, points and closed sets, and any two closed sets in a topological space are studied. Particularly, we can separate any two closed sets on a normal ...
  • THE DYNAMICS OF TWO-SPECIES ALLELOPATHIC COMPETITION WITH OPTIMAL HARVESTING 
    HASSAB, MESERET (2017-08-04)
    In this project, we analyse a bionomic model of two competitive species in the presence of toxicity with different harvesting efforts. It is noted that under certain parametric restrictions, the model has a unique positive ...