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Article Dans Une Revue International Journal for Numerical and Analytical Methods in Geomechanics Année : 2008

Soil parameter identification using a genetic algorithm

Résumé

This paper is dedicated to the identification of constitutive parameters of the Mohr-Coulomb constitutive model from in situ geotechnical measurements. A pressuremeter curve and the horizontal displacements of a sheet pile wall retaining an excavation are successively used as measurements. Two kinds of optimization algorithms are used to minimize the error function, the first one based on a gradient method and the second one based on a genetic algorithm. The efficiency of each algorithm related to the error function topology is discussed. Finally, it is shown that the use of a genetic algorithm to identify the soil parameters seems particularly suitable when the topology of the error function is complex. Copyright © 2007 John Wiley & Sons, Ltd.
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Dates et versions

hal-01998321 , version 1 (29-01-2019)

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  • HAL Id : hal-01998321 , version 1

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S. Levasseur, Y. Malecot, M. Boulon, E. Flavigny. Soil parameter identification using a genetic algorithm. International Journal for Numerical and Analytical Methods in Geomechanics, 2008, 32 (2), pp.189-213. ⟨hal-01998321⟩

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