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A DRBEM For Time-Dependent Infiltration from Periodic Irrigation Channels in a Homogeneous Soil

Authors
  • Solekhudin, I.
  • Ang, K. C.
Publication Date
Mar 27, 2013
Source
Electronic Journal of Boundary Elements
Keywords
Language
English
License
Unknown
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Abstract

In this paper, a problem involving time-dependent water flow in a homogeneous soil is considered. The problem involves water infiltration from periodic identical trapezoidal channels. A governing equation of the problem is the Richard’s equation, which can be studied more conveniently by transforming the equation to a Helmholtz equation using the Kirchhoff transformation with dimensionless variables and a Laplace’s transform. A dual reciprocity boundary element method (DRBEM) is employed to solve the Helmholtz equation numerically. Results obtained are found to be physically reasonable. 

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