Article (Scientific journals)
Soil parameter identification using a genetic algorithm.
Levasseur, Séverine; Malécot, Yann; Boulon, Marc et al.
2008In International Journal for Numerical and Analytical Methods in Geomechanics, 32 (2), p. 189-213
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Keywords :
parameter identification; inverse analysis; genetic algorithms; objective function; finite element method; pressuremeter test; excavation
Abstract :
[en] 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.
Disciplines :
Civil engineering
Author, co-author :
Levasseur, Séverine ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Malécot, Yann;  Université Joseph Fourier - Grenoble 1 - UJF > Laboratoire 3S-R
Boulon, Marc;  Université Joseph Fourier - Grenoble 1 - UJF > Laboratoire 3S-R
Flavigny, Etienne;  Université Joseph Fourier - Grenoble 1 - UJF > Laboratoire 3S-R
Language :
English
Title :
Soil parameter identification using a genetic algorithm.
Publication date :
2008
Journal title :
International Journal for Numerical and Analytical Methods in Geomechanics
ISSN :
0363-9061
eISSN :
1096-9853
Publisher :
John Wiley & Sons, New York, United States - New York
Volume :
32
Issue :
2
Pages :
189-213
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 12 August 2009

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