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A reliable numerical algorithm for fractional advection–dispersion equation arising in contaminant transport through porous media

Author

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  • Singh, Harendra
  • Pandey, Rajesh K.
  • Singh, Jagdev
  • Tripathi, M.P.

Abstract

This article presents a reliable numerical approach for the fractional advection–dispersion equation by making use of Legendre scaling functions as a basis. The fractional advection–dispersion equation describes the anomalous transport in surface and subsurface water. Using two dimensional basis formed by Legendre scaling functions, we get operational matrix for fractional integrations and differentiations. Substituting these operational matrices in the equation leads linear algebraic equations whose solutions can be derived with the aid of Sylvester’s approach; this in turn yields approximate solutions for advection–dispersion equation. Convergence analysis of the proposed scheme is presented. The potency and accuracy of the proposed numerical algorithm are shown by plotting error figures.

Suggested Citation

  • Singh, Harendra & Pandey, Rajesh K. & Singh, Jagdev & Tripathi, M.P., 2019. "A reliable numerical algorithm for fractional advection–dispersion equation arising in contaminant transport through porous media," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 527(C).
    • Handle: RePEc:eee:phsmap:v:527:y:2019:i:c:s0378437119306624
    DOI: 10.1016/j.physa.2019.121077
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    Citations

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    Cited by:

    1. Owolabi, Kolade M. & Karaagac, Berat, 2020. "Chaotic and spatiotemporal oscillations in fractional reaction-diffusion system," Chaos, Solitons & Fractals, Elsevier, vol. 141(C).
    2. Singh, Harendra, 2020. "Analysis for fractional dynamics of Ebola virus model," Chaos, Solitons & Fractals, Elsevier, vol. 138(C).
    3. Tabassum, Muhammad Farhan & Saeed, Muhammad & Akgül, Ali & Farman, Muhammad & Chaudhry, Nazir Ahmad, 2020. "Treatment of HIV/AIDS epidemic model with vertical transmission by using evolutionary Padé-approximation," Chaos, Solitons & Fractals, Elsevier, vol. 134(C).
    4. Bhatter, Sanjay & Mathur, Amit & Kumar, Devendra & Singh, Jagdev, 2020. "A new analysis of fractional Drinfeld–Sokolov–Wilson model with exponential memory," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 537(C).

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