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- Reza Pourgholi, Amin Esfahani, Sunil Kumar
- IJCSM
- 2014

The problem of identifying the solution (k(x, t), U(x, t)) in an inverse semilinear wave problem is considered. It is shown that under certain conditions of data φ, ψ, there exists a unique solution (k(x, t), U(x, t)) of this problem. Furthermore a numerical algorithm for solving the inverse semilinear wave problem is proposed. The approach for this inverse… (More)

- Reza Pourgholi, Amin Esfahani, Saedeh Foadian, Sona Parehkar
- IJWMIP
- 2013

- Akram Saeedi, Reza Pourgholi
- Engineering with Computers
- 2017

In this paper, we discuss a numerical method for solving an inverse Rosenau equation with Dirichlet’s boundary conditions. The approach used is based on collocation of a quintic B-spline over finite elements so that we have continuity of dependent variable and it first four derivatives throughout the solution range. We apply quintic B-spline for spatial… (More)

We consider the inverse problem of finding the nonlinear source for nonlinear Reaction-Diffusion equation whenever the initial and boundary condition are given. We investigate the numerical solution of this problem by using Adomian Decomposition Method (ADM). The approach of the proposed method is to approximate unknown coefficients by a nonlinear function… (More)

- Reza Pourgholi, Ali Tahmasebi, Ruhangiz Azimi
- Int. J. Comput. Math.
- 2017

- Y. Ahmadizadeh, Reza Pourgholi
- 2007

In this paper, we propose an algorithm for numerical solving an inverse nonlinear diffusion problem. The algorithm is based on the linearized nonlinear terms by Taylor ́s series expansion, removed the time-dependent terms by Laplace transform, and so, the results at a specific time can be calculated without step-by-step computations in the time domain.… (More)

- Reza Pourgholi, Morteza Abtahi, S. Hashem Tabasi
- IJCSE
- 2015

- Reza Pourgholi, Amin Esfahani, Hassan Dana
- IJMNO
- 2013

In this paper, a numerical approach combining the use of the least squares method and the genetic algorithm (sequential and multi-core parallelisation approach) is proposed for the determination of temperature in an inverse hyperbolic heat conduction problem (IHHCP). Some numerical experiments confirm the utility of this algorithm as the results are in good… (More)

- Reza Pourgholi, Akram Saeedi
- IJMNO
- 2015

Determination of an unknown time-dependent function in parabolic differential equations plays a very important role in many branches of science and engineering. In this paper, we present an approach based on ADM to solve inverse non-local initial-boundary value problems, since this problem is mildly ill-posed, the Tikhonov regularisation method is applied… (More)

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