An analytical model for simulating two-dimensional multispecies plume migration

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题名:	An analytical model for simulating two-dimensional multispecies plume migration
作者:	陳瑞昇;Chen, Jui-Sheng;Liang, Ching-Ping;Liu, Chen-Wuing;Li, Loretta Y.
贡献者:	地球科學學院應用地質研究所
关键词:	Advection;Analysis;Animal behavior;Boundary conditions;Computer simulation;Contaminants;Decay;Decomposition;Domains;Economic models;Exact solutions;Groundwater;Integral transforms;Inversions;Linear algebra;Mathematical models;Migration;Partial differential equations;Plume behavior;Radioisotopes;Robustness (mathematics);Solutions;Two dimensional analysis;Two dimensional models
日期:	2016-02-18
上传时间:	2026-04-23 14:54:15 (UTC+8)
出版者:	European Geosciences Union;Katlenburg-Lindau: Copernicus Publications
摘要:	摘要： The two-dimensional advection-dispersion equations coupled with sequential first-order decay reactions involving arbitrary number of species in groundwater system is considered to predict the two-dimensional plume behavior of decaying contaminant such as radionuclide and dissolved chlorinated solvent. Generalized analytical solutions in compact format are derived through the sequential application of the Laplace, finite Fourier cosine, and generalized integral transform to reduce the coupled partial differential equation system to a set of linear algebraic equations. The system of algebraic equations is next solved for each species in the transformed domain, and the solutions in the original domain are then obtained through consecutive integral transform inversions. Explicit form solutions for a special case are derived using the generalized analytical solutions and are compared with the numerical solutions. The analytical results indicate that the analytical solutions are robust, accurate and useful for simulation or screening tools to assess plume behaviors of decaying contaminants. 出版者： Katlenburg-Lindau: Copernicus Publications 出版日期： 2016-02-18 出處： Hydrology and earth system sciences, 2016-02, Vol.20 (2), p.733-753 資源來源： Agricultural & Environmental Science Collection 版權： COPYRIGHT 2016 Copernicus GmbH 版權： Copyright Copernicus GmbH 2016 版權： 2016. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 識別號： ISSN: 1607-7938 識別號： ISSN: 1027-5606 識別號： EISSN: 1607-7938 識別號： DOI: 10.5194/hess-20-733-2016
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