Geometric modelling and object-oriented software concepts applied to a heterogeneous fractured network from the Grimsel rock laboratory

Thomas Kalbacher, Ralph Mettier, Chris McDermott, Wenqing Wang, Georg Kosakowski, Takeo Taniguchi, Olaf Kolditz

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Discrete fracture network simulations are computationally intensive and usually time-consuming to construct and configure. This paper presents a case study with techniques for building a 3D finite element model of an inhomogeneous fracture network for modelling flow and tracer transport, combining deterministic and stochastic information on fracture aperture distributions. The complex intersected fractures represent a challenge for geometrical model design, mesh quality requirements and property allocations. For the integrated and holistic modelling approach, including the application of numerical and analytical simulation techniques, new object-oriented concepts in software engineering are implemented to ensure a resourceful and practicable software environment.

Original languageEnglish
Pages (from-to)9-26
Number of pages18
JournalComputational Geosciences
Volume11
Issue number1
DOIs
Publication statusPublished - Mar 1 2007

Keywords

  • Fracture apertures
  • Fractured network
  • Geometric modelling
  • Geostatistics
  • Mesh quality
  • Object orientation

ASJC Scopus subject areas

  • Computer Science Applications
  • Computers in Earth Sciences
  • Computational Theory and Mathematics
  • Computational Mathematics

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