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文章基本信息

  • 标题:Boundary Element Formulation For Flow In Unsaturated Porous Media.
  • 作者:Bruno Natalini ; Viktor Popov
  • 期刊名称:Mecánica Computacional
  • 印刷版ISSN:2591-3522
  • 出版年度:2007
  • 期号:10
  • 页码:1158-1173
  • 语种:English
  • 出版社:CIMEC-INTEC-CONICET-UNL
  • 其他摘要:A numerical single-phase model for unsteady state unsaturated flow has been derived and solved using the boundary element method (BEM). BEM procedures have had a relatively restricted development due to the limitation of the conventional BEM to deal with the highly non-linear governing equations. Here, the governing equation has been represented as a non-homogeneous Laplace equation, and the non-homogeneous part has been dealt with by using the dual reciprocity method (DRM). The soil-water characteristic curve according to a van Genuchten approach was employed. The developed scheme was implemented in a 3D code and applied to solution of upward and downward infiltration in clay showing good agreement with numerical solutions previously reported in open literature.
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