نتایج جستجو برای: differential fransformation method

تعداد نتایج: 1868906  

Although Elzaki transform is stronger than Sumudu and Laplace transforms to solve the ordinary differential equations withnon-constant coefficients, but this method does not lead to finding the answer of some differential equations. In this paper, a method is introduced to find that a differential equation by Elzaki transform can be ‎solved?‎

Journal: :computational methods for differential equations 0
naser aghazadeh azarbaijan shahid madani university yasser gholizade atani azarbaijan shahid madani university parisa noras azarbaijan shahid madani university

in this paper, we present legendre wavelet method to obtain numerical solution of a singular integro-differential equation. the singularity is assumed to be of the cauchy type. the numerical results obtained by the present method compare favorably with those obtained by various galerkin methods earlier in the literature.

Here, Adomian decomposition method has been used for finding approximateand numerical solutions of nonlinear differential difference equations arising inmathematical physics. Two models of special interest in physics, namely, theHybrid nonlinear differential difference equation and Relativistic Toda couplednonlinear differential-difference equation are chosen to illustrate the validity andthe g...

Journal: :iranian journal of science and technology (sciences) 2014
e. rahimi

a method for solving a class of weakly singular volterra integral equations is given by using the fractional differential transform method. the approximate solution of these equa­tions is calculated in the form of a finite series with easily computable terms. while in some examples this series solution increased up to the exact closed solution, in some other examples, we can see the accuracy an...

Journal: :international journal of mathematical modelling and computations 0
m. matinfar university of mazandaran iran, islamic republic of m. ghasemi iran, islamic republic of

in this paper, elzaki homotopy perturbation method is employed for solving linear and nonlinear differential equations with a variable coffecient. this method is a combination of elzaki transform and homotopy perturbation method. the aim of using elzaki transform is to overcome the deficiencies that mainly caused by unsatised conditions in some semi-analytical methods such as homotopy perturbat...

Journal: :international journal of mathematical modelling and computations 0
pramod kumar pandey dyal singh college (university of delhi) india department of mathematics

in this article we have considered a non-standard finite difference method for the solution of second order  fredholm integro differential equation type initial value problems. the non-standard finite difference method and the composite trapezoidal quadrature method is used to transform the fredholm integro-differential equation into a system of equations. we have also developed a numerical met...

In this paper we present a numerical method for fuzzy differential equation of fractional order under gH-fractional Caputo differentiability. The main idea of this method is to approximate the solution of fuzzy fractional differential equation (FFDE) by an implicit method as corrector and explicit method as predictor. This method is tested on numerical examples.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی عمران 1387

در این تحقیق، هدف تعیین تنش ها و کرنش های تورمی ناشی از حفاری تونل در توده سنگ های تورمی است. این تحلیل در دو بخش انجام شده است، ابتدا با حل معادله ی دیفرانسیلی کرنش تورمی به روش تحلیلی، مقادیر آن برای نقاط اطراف تونل محاسبه شده است. سپس با حل عددی به روش اجزای محدود با استفاده از المان های ایزوپارامتریک q4، تنش ها و کرنش های ناشی از بارگذاری و حفاری، در محیط اطراف تونل محاسبه و با مقادیر نظیر ...

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