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工程中的混合方法

ISSN 打印: 1099-2391
ISSN 在线: 2641-7359

Archives: Volume 1, 1999 to Volume 4, 2002

工程中的混合方法

DOI: 10.1615/HybMethEng.v2.i1.70
20 pages

A NUMERICAL STUDY OF TWO-DIMENSIONAL SOLUTE TRANSPORT IN A GROUNDWATER PATHWAY VIA THE INTEGRAL TRANSFORM METHOD

Marco A. Leal
Laboratório de Transmissão e Tecnologia do Calor - LTTC, Mechanical Engineering Dept. - Universidade Federal do Rio de Janeiro, EE/COPPE/UFRJ, Cidade Universitária - Cx. Postal 68503 - Rio de Janeiro - RJ - 21945.970 - Brazil
Nerbe J. Ruperti, Jr.
Brazilian Nuclear Energy Commission, Waste Management Department, COREJ/CNEN, Rua General Severiano 90-22294-900 Botafogo, Rio de Janeiro RJ, Brazil

ABSTRACT

A hybrid solution is developed for a two-dimensional screening transport model in a homogeneous aquifer with a steady uniform groundwater flow. The source is assumed to be located at the top of the aquifer, and a constant-flux boundary condition is investigated. The generalized integral transform technique (GITT) is utilized to provide the proposed hybrid numerical-analytical solution. Two numerical procedures are presented in order to reach fast and accurate results. The results obtained in the present work are compared against previously reported exact solutions.


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