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نویسندگان: 

Yazdani Cherati Allahbakhsh | Azimi Zohre

اطلاعات دوره: 
  • سال: 

    2023
  • دوره: 

    14
  • شماره: 

    8
  • صفحات: 

    161-167
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    33
  • دانلود: 

    0
چکیده: 

The ultimate goal of this performance study is to provide a  proposed scheme for solving the time-fractional stochastic advection-diffusion equation (TFSADE) of order $\alpha (0\le \alpha <1)$. In this proposed scheme, we utilize an approach based on Cubic trigonometric B-spline collocation methods (CTBSCM).  In this study, we replace the existing fractional derivative with the fractional Caputo derivative for time discretization and then replace the first and second derivatives of the equation using Cubic trigonometric B-spline functions for spatial discretization. Applying this proposed scheme to TFSADE causes the equation to reduce to the linear system. In the end, the examples show that the order of convergence of the proposed method is $O(\tau ^{2-\alpha}+h^2)$ where $h$ and $\tau$  are the spatial and time step lengths, respectively.

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نویسندگان: 

CHEN X.D. | MAA W. | PAU J.C.

نشریه: 

COMPUTER-AIDED DESIGN

اطلاعات دوره: 
  • سال: 

    2010
  • دوره: 

    42
  • شماره: 

    6
  • صفحات: 

    523-534
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    199
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

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بازدید 199

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نویسندگان: 

Yagmurlu Nuri Murat | Karakas Ali Sercan

اطلاعات دوره: 
  • سال: 

    2022
  • دوره: 

    10
  • شماره: 

    4
  • صفحات: 

    1046-1058
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    31
  • دانلود: 

    0
چکیده: 

In the present study, the Modified Equal Width (MEW) wave equation is going to be solved numerically by presenting a new technique based on the collocation finite element method in which trigonometric Cubic B-splines are used as approximate functions. In order to support the present study, three test problems,namely, the motion of a single solitary wave, the interaction of two solitary waves, and the birth of solitons are studied. The newly obtained results are compared with some of the other published numerical solutions available in the literature. The accuracy of the proposed method is discussed by computing the numerical conserved laws as well as the error norms L2 and L∞, .

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اطلاعات دوره: 
  • سال: 

    2016
  • دوره: 

    13
  • شماره: 

    1
  • صفحات: 

    67-76
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    421
  • دانلود: 

    0
چکیده: 

In this paper fuzzy piecewise Cubic interpolation is constructed for fuzzy data based on B-spline basis functions. We add two new additional conditions which guarantee uniqueness of fuzzy B-spline interpolation.Other conditions are imposed on the interpolation data to guarantee that the interpolation function to be a well-defined fuzzy function. Finally some examples are given to illustrate the proposed method.

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نویسندگان: 

Pourgholi Reza | Torabi Fateme

اطلاعات دوره: 
  • سال: 

    2023
  • دوره: 

    14
  • شماره: 

    6
  • صفحات: 

    291-302
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    35
  • دانلود: 

    0
چکیده: 

In this paper, we consider a numerical method based on extended Cubic B-spline basis functions for the determination of an unknown boundary condition in the inverse second-order one-dimensional hyperbolic telegraph equation. Extended Cubic B-spline (ExCuBs) is an extension of Cubic B-spline consisting of a parameter, we combined it with the Tikhonov regularization method to obtain a numerically stable solution. The convergence and stability of the technique are proved and shown that it is established under suitable assumptions and accurate order $O(k+h^2)$. The numerical results have been compared with those obtained by the Cubic B-spline method to verify the accurate nature of our method.

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نویسندگان: 

DOSTI M. | NAZEMI A.

اطلاعات دوره: 
  • سال: 

    2011
  • دوره: 

    52
  • شماره: 

    -
  • صفحات: 

    935-935
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    304
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

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نویسنده: 

JALILIAN R. | JALILIAN Y. | HATAMI F.

اطلاعات دوره: 
  • سال: 

    2013
  • دوره: 

    5
تعامل: 
  • بازدید: 

    116
  • دانلود: 

    0
چکیده: 

PLEASE CLICK ON PDF TO VIEW THE ABSTRACT.

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نویسندگان: 

Ersoy Hepson Ozlem | Dag Idris

اطلاعات دوره: 
  • سال: 

    2021
  • دوره: 

    9
  • شماره: 

    4
  • صفحات: 

    1109-1127
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    35
  • دانلود: 

    0
چکیده: 

The collocation method based on the exponential Cubic B-splines (ECB-splines) together with the Crank-Nicolson formula is used to solve nonlinear coupled Burgers' equation (CBE). This method is tested by studying three di , erent problems. The proposed scheme is compared with some existing methods. It produced accurate results with the suitable selection of the free parameter of the ECB-spline function. It produces accurate results. Stability of the fully discretized CBE is investigated by the Von Neumann analysis.

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نویسندگان: 

DOSTI M. | NAZEMI A.

اطلاعات دوره: 
  • سال: 

    2012
  • دوره: 

    4
  • شماره: 

    4
  • صفحات: 

    83-90
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    195
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

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اطلاعات دوره: 
  • سال: 

    2021
  • دوره: 

    9
  • شماره: 

    1
  • صفحات: 

    22-35
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    27
  • دانلود: 

    0
چکیده: 

In this study, an e , ective collocation method based on Cubic B-spline has been im-plemented to get the numerical solutions for the non-linear Fisher's equation. After separating this scheme with this method, the stability of the method was proven. To check the e, ciency and accuracy of the proposed method, some numerical problems have been considered. The numerical results are found in good agreement with the exact solutions.

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