DBPapers
DOI: 10.5593/SGEM2014/B21/S8.083

INFLUENCE OF THE SHAPE AND DENSITY OF GRID COMPUTING TO THE ACCURACY OF THE NUMERICAL SIMULATION RESULTS OF THE FLOOD EMBANKMENTS MODEL

B. Bukowska - Belniak, K. Krawiec
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-10-0 / ISSN 1314-2704, June 19-25, 2014, Book 2, Vol. 1, 643-650 pp

ABSTRACT
Numerical modeling is an useful and frequently applied tool in the design of various types of geotechnical constructions. The progressive development of computer technology allows to perform faster and more accurate analyzes. The most important factor that affect simulation time of numerical algorithms is the rank of compaction of the computational grid. In this paper the analysis of the effect of the density of grid computing numerical model of flood embankments on the computation time are presented. The accuracy of modeling results for different shapes of assumed computational grid model were presented additionally. The analysis was conducted due to the changes in slope stability factor of the embankment, accidental displacement, strain and total stress state within the modeled object. Numerical computations was conducted with FLAC v.7.0 based on the finite difference method.

Keywords: numerical modeling, embankment, grid density

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