Mathematical Sciences: Recent submissions

Now showing items 1-20 of 93

IDENTIFICATION OF OPTIMAL AUTOREGRESSIVE INTEGRATED MOVING AVERAGE MODEL FOR METEOROLOGICAL DATA

OLUSOLA, SAMUEL MAKINDE (Federal University Of Technology, Akure, Nigeria, 2004-07-11)

Autoregressive Integrated Moving Average (ARIMA) model of various orders was presented, with a view to identifying the optimal model. In this study, ARIMA (p, d, q) model of various orders was presented in both causal ...
DYNAMICAL ANALYSIS OF FINITE PRESTRESSED BERNOULLI-EULER BEAMS WITH GENERAL BOUNDARY CONDITIONS UNDERTRAVRLLING DISTRIBUTED LOADS

OGUNYEBI, SEGUN NATHANIEL (Federal University Of Technology, Akure, Nigeria, 2006-10-31)

This thesis presents the problems of dynamical analysis of finite prestressed Bernoulli-Euler beams with general boundary conditions under traveling distributed masses. The responses. of the elastic structures to moving ...
DYNAMIC RESPONSE TO MOVING CONCENTRATED MASSES OF RAYLEIGH BEAMS ON VARIABLE WINKLER ELASTIC FOUNDATIONS

AWODOLA, THOMAS OLUBUNMI (Federal University Of Technology, Akure, Nigeria, 2003-07-31)

The response of Rayleigh beams carrying moving masses, resting on variable Winkler elastic foundations is investigated in this thesis. The problem is investigated for both cases of uniform and non-uniform Rayleigh beams. ...
DYNAMIC RESPONSE TO A MOVING LOAD OF A HIGHLY PRESTRESSED ISOTROPIC RECTANGULAR PLATE ON A BI-PARAMETRIC SUBGRADE

OGUNBAMIKE, OLUWATOYIN KEHINDE (Federal University Of Technology, Akure, Nigeria, 2008-07-07)

In this thesis, the dynamic response of a highly prestressed isotropic rectangular plate resting on a bi-parametric subgrade under the action of a moving load is investigated. In particular, the bi-parametric subgrade ...
DERIVATION OF CONTINUOUS LINEAR MULTISTEP METHODS FOR INITIAL VALUE PROBLEMS OF FIRST ORDER ORDINARY DIFFERENTIAL EQUATION

OLUWATOSIN, EBENEZER AYODELE (Federal University Of Technology, Akure, Nigeria, 2006-06-25)

In this work, a class of numerical methods with step numbers k > 1 is studied to solve initial value problems of first order ordinary differential equations. Four new linear multistep collocation methods were developed. ...
FLEXURAL VIBRATIONS OF PRESTRESSED BERNOULLI-EULER BEAM RESTING ON ELASTIC FOUNDATION AND TRAVERSED BY MASSES TRAVELING AT VARIABLE SPEEDS

OMOLOFE, BABATOPE (Federal University Of Technology, Akure, Nigeria, 2004-05-15)

The problem of flexural vibrations of prestressed Bernoulli-Euler beam resting on elastic foundation and traversed by concentrated masses traveling at variable speeds is studied in this thesis. Both cases of uniform and ...
COMPUTER AIDED SYSTEM FOR MONITORING AND EVALUATION OF SOFTWARE DEVELOPMENT, OPERATIONS AND MAINTENANCE

SAMUEL A, DEBAYO OLUWADARE (Federal University Of Technology, Akure, Nigeria, 2000-08-14)

Software cost today, represents a significant percentage of computing systems. Inadequate monitoring and evaluation of software development, operations and maintenance could lead to very high cost, failure of projects ...
AXIAL FORCE INFLUENCE ON THE RESPONSE TO MOVING CONCENTRATED MASSES OF RECTANGULAR PLATES INCORPORATING ROTATORY INERTIA CORRECTION FACTOR.

ADEDOWOLE, ALIMI (Federal University Of Technology, Akure, Nigeria, 2008-05-13)

This thesis studies the influence of axial force on the dynamic response to moving concentrated masses of rectangular plate incorporating rotatory inertia correction factor. The responses of the elastic structures to ...
A NEW CLASS OF EXPLICIT RUNGE-KUTTA METHOD FOR INTEGRATION OF INITIAL VALUE PROBLEMS IN ORDINARY DIFFERENTIAL EQUATIONS

ROTIFA, EBUN EBENEZER (Federal University Of Technology, Akure, Nigeria, 2007-01-03)

In this thesis, a new class of explicit Runge-Kutta Schemes are developed to solve nonstiff and stiff initial value problems in ordinary differential equations. The method is motivated by the variety of its application ...
A HYBRID METHOD FOR GENERAL THIRD ORDER ORDINARY DIFFERENTIAL EQUATIONS.

OLORUNFEMI, MICHAEL IDOWU (Federal University Of Technology, Akure, Nigeria, 2005-09-09)

This work proposes numerical method for solving directly general third order ordinary differential equations by collocation at the grid points x = X n+i'i =0(l)k and at an off grid point x = Xn+uand interpolation of the ...
A CLASS OF SEMI-IMPLICIT RATIONAL RUNGE-KUTTA SCHEME FOR SOLVING ORDINARY DIFFERENTIAL EQUATIONS WITH DERIVATIVE DISCONTINUITIES.

BOLAJI, SAMSON BOLARINWA (Federal University Of Technology, Akure, Nigeria, 2005-09-16)

In this thesis, a class of semi-implicit Rational runge-Kutta schemes were developed, analyzed and computerized for solving deferential equations with derivative discontinuities. The method is motivated by variety of ...
A CLASS OF EXPLICIT LINEAR MULTISTEP METHOD FOR DIRECT SOLUTION OF THIRD ORDER INITIAL VALUE PROBLEMS OF ORDINARY DIFFERENTIAL EQUATIONS

ADEDUNTAN, ADEFUNKE BOSEDE (FederalL University Of Technology, Akure, Nigeria, 2007-01-26)

In this thesis, a class of discrete Linear Multistep Methods for Direct Solution of third order initial value problems of Ordinary differential Equations is developed using Taylor series expansion technique. The method ...
A CLASS OF COLLOCATION HYBRID BACKWARD DIFFERENTIATION METHOD FOR INITIAL VALUE PROBLEMS OF ORDINARY DIFFERENTIAL EQUATIONS

AJILEYE, ADEWOLE MUKAILA (FederalL University Of Technology, Akure, Nigeria, 2005-09-16)

The development of linear multistep methods for initial value problems of ordinary differential equations (ODEs) has been the subject of investigation for some time. In this work, a class of hybrid backward differentiation ...
A CLASS OF SECOND DERIVATIVES LINEAR MULTl-STEP METHOD FOR INTEGRATION OF STIFF FIRST ORDER INITIAL VALUE PROBLEMS IN ORDINARY DIFFERENTIAL EQUATIONS

ADETUNJI, ADERONKE OLAITAN (FederalL University Of Technology, Akure, Nigeria, 2006-03-06)

In this thesis, a class of second derivative Linear Multi-step methods for integration of stiff initial value problem in ordinary differential equations developed. The method is motivated by the second derivative method ...
DYNAMIC IMPACT FACTOR OF ACCELERATING MASSES ON PRESTRESSED TAPERED BEAM RESTING ON ELASTIC SUBGRADE WITH STIFFNESS VARIATION

NURUDEEN, AOLAT OYIN (Fed University of Technology Akure, 2021-11)

This study assesses the dynamic impact factor of an accelerating masses on a prestressed tapered beam resting on two parameter elastic subgrade with stiffness variation under the action of accelerating masses. The governing ...
A CLASS OF HYBRID BLOCK METHODS FOR SOLVING GENERAL FOURTH ORDER ORDINARY DIFFERENTIAL EQUATIONS OF INITIAL VALUE PROBLEMS

AYENI, BOLUWAJI FRANCIS (Fed University of Technology Akure, 2021-11)

This work considers the derivation of two implicit hybrid linear multistep methods for the direct solution of fourth order initial value problems of ordinary di erential equations. The techniques of collocation ...
APPLICATION OF THIRD DERIVATIVE BLOCK METHODS FOR THE SOLUTION OF HYPERBOLIC PARTIAL DIFFERENTIAL EQUATIONS

ALLEN, OYEBOLA FUNKE (Fed University of Technology Akure, 2021-12)

In this work, three scheme were developed, analyzed and applied to solve two dimensional hyperbolic Partial Di erential Equations (PDEs). The derivations were achieved by using collocation and interpolation techineques. ...
HOMOGENEOUSLY WEIGHTED MOVING AVERAGE CONTROL CHART UNDER RANKED SET SAMPLING SCHEMES WITH MEASUREMENTS ERROR

MAKINDE, JAMIU OLALEKAN (FEDERAL UNIVERSITY OF TECHNOLOGY, AKURE, 2021-08)

Control charts are powerful statistical process monitoring tool often used to monitor the stability of manufacturing processes. In quality control applications, measurement errors adversely affect the performance of ...
HYDROMAGNETIC MAXWELL NANOPARTICLES FLUID FLOW ON A STRETCHING SURFACE WITH RADIATION, CHEMICAL REACTION AND NAVIER SLIP CONDITION

OLADIPUPO, VICTOR AYODEJI (FEDERAL UNIVERSITY OF TECHNOLOGY, AKURE, 2021-09)

The analysis of nanofluids in solar thermal system is very interesting because it has important en- gineering applications in solar collectors. Beside these, the boundary layer flows of non-Newtonian fluids have been ...
ROTATORY INERTIA INFLUENCE ON THE RESPONSE TO VARIABLE-MAGNITUDE MOVING LOADS OF RAYLEIGH BEAM RESTING ON PASTERNAK FOUNDATION

FOLORUNSO, TOPE DENNIS (FEDERAL UNIVERSITY OF TECHNOLOGY, AKURE, 2021-11)

The problem of evaluating the Rotatory inertia influence on the response to variable- magnitude moving loads of Rayleigh Beam resting on Pasternak foundation is investigated in this research. The problem is governed by ...

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