نتایج جستجو برای: improved homotopy perturbation method

تعداد نتایج: 2046192  

Journal: :Journal of Low Frequency Noise, Vibration and Active Control 2019

Journal: :computational methods for differential equations 0
ali beiranvand faculty of mathematical sciences, university of tabriz, tabriz, iran. karim ivaz university of tabriz, iran

we introduce and discuss the homotopy perturbation method, the adomian decomposition method and the variational iteration method for solving the stefan problem with kinetics. then, we give an example of the stefan problem with  kinetics and solve it by these methods.

Journal: :journal of applied and computational mechanics 0
naeem faraz shanghai university, shanghai china hou lei shanghai university, shanghai china yasir khan hafr al batin saudia arabia

an attempt is made for the first time to solve the quadratic and cubic model of magneto hydrodynamic poiseuille flow of phan-thein-tanner (ptt). series solution of magneto hydrodynamic (mhd) flow is developed by using homotopy perturbation method (hpm). results are presented graphically and the effects of non-dimensional parameters on the flow field are analyzed. the results obtained reveals ma...

Journal: :international journal of mathematical modelling and computations 0
h. towsyfyan g. davoudi

in this work, the blasius equation is studied. homotopy perturbation method (hpm) and homotopy analysis method (ham) are applied to obtain its solution. comparison with variational iteration method (vim) is made to highlight the significant features of employed methods and their capability of handling nonlinear problems. the outcome shows the success of (hpm) and (ham) for solving nonlinear pro...

G. Davoudi H. Towsyfyan

In this work, the Blasius equation is studied. Homotopy perturbation method (HPM) and homotopy analysis method (HAM) are applied to obtain its solution. Comparison with variational iteration method (VIM) is made to highlight the significant features of employed methods and their capability of handling nonlinear problems. The outcome shows the success of (HPM) and (HAM) for solving nonlinear pro...

2014
Constantin Bota Bogdan Căruntu

The paper presents the optimal homotopy perturbation method, which is a new method to find approximate analytical solutions for nonlinear partial differential equations. Based on the well-known homotopy perturbation method, the optimal homotopy perturbation method presents an accelerated convergence compared to the regular homotopy perturbation method. The applications presented emphasize the h...

Journal: :international journal of mathematical modelling and computations 0
m. matinfar faculty of sciences, mazandaran university, iran iran, islamic republic of department of mathematics m. mahdavi faculty of sciences, mazandaran university, iran iran, islamic republic of department of mathematics

in this paper, we consider the variational homotopy perturbation method (vhpm) to obtain an approximate series solution for the generalized fisher’s equation which converges to the exact solution in the region of convergence. comparisons are made among the variational iteration method (vim), the exact solutions and the proposed method. the results reveal that the proposed method is very effectiv...

By means of He's homotopy perturbation method (HPM) an approximate solution of velocity eld is derived for the ow in straight pipes of non-Newtonian uid obeying the Sisko model. The nonlinear equations governing the ow in pipe are for- mulated and analyzed, using homotopy perturbation method due to He. Furthermore, the obtained solutions for velocity eld is graphically sketched...

Journal: :Journal of Low Frequency Noise, Vibration and Active Control 2018

Journal: :J. Applied Mathematics 2012
Héctor Vázquez-Leal

The solution methods of nonlinear differential equations are very important because most of the physical phenomena are modelled by using such kind of equations. Therefore, this work presents a rational version of homotopy perturbation method RHPM as a novel tool with high potential to find approximate solutions for nonlinear differential equations. We present two case studies; for the first exa...

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