Asymptotic Solution for a Water Quality Model in a Uniform Stream | Zendy

Fazle Mabood | Zendy; Nopparat Pochai | Zendy

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Asymptotic Solution for a Water Quality Model in a Uniform Stream

Author(s) -

Fazle Mabood,

Nopparat Pochai

Publication year - 2013

Publication title -

international journal of engineering mathematics

Language(s) - English

Resource type - Journals

eISSN - 2356-7007

pISSN - 2314-6109

DOI - 10.1155/2013/135140

Subject(s) - homotopy perturbation method , mathematics , variable (mathematics) , dispersion (optics) , advection , homotopy , diffusion , homotopy analysis method , mathematical analysis , simplicity , mechanics , physics , thermodynamics , quantum mechanics , pure mathematics , optics

We employ approximate analytical method, namely, Optimal Homotopy Asymptotic Method (OHAM), to investigate a one-dimensional steady advection-diffusion-reaction equation with variable inputs arises in the mathematical modeling of dispersion of pollutants in water is proposed. Numerical values are obtained via Runge-Kutta-Fehlberg fourth-fifth order method for comparison purpose. It was found that OHAM solution agrees well with the numerical solution. An example is included to demonstrate the efficiency, accuracy, and simplicity of the proposed method

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