A note on benchmarking of numerical models for density dependent flow in porous media

B. Ataie-Ashtiani, M. M. Aghayi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Verification of numerical models for density dependent flow in porous media (DDFPM) by the means of appropriate benchmark problems is a very important step in developing and using these models. Recently, Infinite Horizontal Box (IHB) problem was suggested as a possible benchmark problem for verification of DDFPM codes. IHB is based on Horton-Rogers-Lapwood (HRL) problem. Suitability of this problem for the benchmarking purpose has been investigated in this paper. It is shown that the wavelength of instabilities fails to be a proper criterion to be considered for this problem. However, the threshold of instability formation has been found to be appropriate for benchmarking purpose.

Original languageEnglish
Pages (from-to)1918-1923
Number of pages6
JournalAdvances in Water Resources
Volume29
Issue number12
DOIs
Publication statusPublished - 1 Dec 2006
Externally publishedYes

Keywords

  • Benchmark problem
  • Density dependent flow
  • Groundwater
  • Horton-Rogers-Lapwood problem
  • Numerical model
  • Porous media
  • Rayleigh number

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