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Numerical simulation of simulate an anomalous solute transport model via local meshless method
Alexandria Engineering Journal ( IF 2.460 ) Pub Date : 2020-06-29 , DOI: 10.1016/j.aej.2020.06.029
Imtiaz Ahmad; Muhammad N. Khan; Mustafa Inc; Hijaz Ahmad; K.S. Nisar

In this article, an efficient local meshless technique is implemented for the numerical solution of an anomalous mobile-immobile solute transport process. The process is mathematically modeled as a time fractional mobile-immobile diffusion equation in sense of Caputo derivative. An implicit time integration procedure is used to semi-discretize the model in the time direction whereas the space derivatives of the model is discretized by the proposed meshless technique based on inverse multquadric radial basis function. The demand of meshless techniques increment because of its meshless nature and simplicity of usage in higher dimensions. This technique approximate the solution on set of uniform and scattered nodes and it leads to a sparse and well-conditioned coefficient matrices. Numerical examinations on some test problems are performed to exhibit successful applications and accuracy of the local meshless technique on regular and irregular computational domains.
更新日期:2020-06-29

 

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