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  3. Vol. 15 No. 3-4 (2011)
  4. UNSTRUCTURED FINITE-VOLUME MESHES FOR TWO-DIMENSIONAL FLOW IN VARIABLY SATURATED POROUS MEDIA

UNSTRUCTURED FINITE-VOLUME MESHES FOR TWO-DIMENSIONAL FLOW IN VARIABLY SATURATED POROUS MEDIA

Abstract

This paper presents a numerical algorithm for solving the equation describing variably saturated flow in porous media. The algorithm is based on a control volume finite element approach and can be applied to two-dimensional unstructured meshes consisting of triangular elements. Two methods of defining the dual control volume grid are discussed. We also demonstrate that the method of calculating the average permeability at the control volume face significantly influences numerical results.

Keywords:

finite volume method, Richards equation, unsaturated flow, unstructured mesh

Details

Issue
Vol. 15 No. 3-4 (2011)
Section
Research article
Published
2011-12-29
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Author Biographies

KAZIMIERZ BURZYŃSKI,
Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Hydraulic Engineering




ADAM SZYMKIEWICZ,
Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Geotechnics, Geology and Marine Engineering




Authors

  • KAZIMIERZ BURZYŃSKI

    Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Hydraulic Engineering

  • ADAM SZYMKIEWICZ

    Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Geotechnics, Geology and Marine Engineering

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