两相多组分污染物迁移的并行算法

IF 0.6 4区数学 Q4 MATHEMATICS, APPLIED

Applications of Mathematics Pub Date : 1995-01-01 DOI:10.21136/am.1995.134289

T. Arbogast, C. Dawson, M. Wheeler

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引用次数: 5

摘要

总结。我们讨论了一个多组分、两相(空气、水)地下水流动和输送系统的三维空间模拟器的公式，该系统具有生物降解动力学和多屏井。该模拟器是为并行、分布式存储器、消息传递机而开发的。数值计算采用了完全隐式的流动扩展混合有限元法和特征混合法或Godunov法计算地下水中溶解化学物质的运移和反应。区域分解、对称和非对称求解器已被开发用于求解由模型离散化引起的方程组。将该模拟器应用于具有多道筛管的注采井的生物修复现场问题。

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A parallel algorithm for two phase multicomponent contaminant transport

Summary. We discuss the formulation o f a simulator in three spatial dimensions for a multicomponent, two phase (air, water) system of groundwater flow and transport with biodegradation kinetics and wells with multiple screens. The simulator has been devel oped for parallel, distributed memory, message passing machines. The numerical proce dures employed are a fully implicit expanded mixed finite element method for flow and either a characteristics-mixed method or a Godunov method for transport and reactions of dissolved chemical species in groundwater. Domain decomposition, symmetric and nonsymmetric solvers have been developed for solving the systems of equations resulting from the discretization of the model. Results from applying this simu l ator to a bioremediation field problem with several injection and production wells each having multiple screens are presented.

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来源期刊

Applications of Mathematics 数学-应用数学

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

3.0 months

期刊介绍： Applications of Mathematics publishes original high quality research papers that are directed towards applications of mathematical methods in various branches of science and engineering. The main topics covered include: - Mechanics of Solids; - Fluid Mechanics; - Electrical Engineering; - Solutions of Differential and Integral Equations; - Mathematical Physics; - Optimization; - Probability Mathematical Statistics. The journal is of interest to a wide audience of mathematicians, scientists and engineers concerned with the development of scientific computing, mathematical statistics and applicable mathematics in general.