Abstract
This paper concerns efficient \(\sigma \) - weighted (\(0<\sigma <1\)) time-semidiscretization quasilinearization technique for numerical solution of Richards’ equation. We solve the classical and a new \(\alpha \) - time-fractional (\(0<\alpha <1\)) equation, that models anomalous diffusion in porous media. High-order approximation of the \(\alpha =2(1-\sigma )\) fractional derivative is applied. Numerical comparison results are discussed.
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This research is supported by the Bulgarian National Science Fund under Bilateral Project DNTS/Russia 02/12 from 2018.
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Koleva, M.N., Vulkov, L.G. (2020). Weighted Time-Semidiscretization Quasilinearization Method for Solving Rihards’ Equation. In: Lirkov, I., Margenov, S. (eds) Large-Scale Scientific Computing. LSSC 2019. Lecture Notes in Computer Science(), vol 11958. Springer, Cham. https://doi.org/10.1007/978-3-030-41032-2_13
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DOI: https://doi.org/10.1007/978-3-030-41032-2_13
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