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  4. Three-dimensional topology optimization for geotechnical foundations in granular soil
 
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Three-dimensional topology optimization for geotechnical foundations in granular soil

Publikationstyp
Journal Article
Date Issued
2016-12-01
Sprache
English
Author(s)
Seitz, Karlotta-Franziska  
Grabe, Jürgen  
Institut
Geotechnik und Baubetrieb B-5  
TORE-URI
http://hdl.handle.net/11420/5223
Journal
Computers and geotechnics  
Volume
80
Start Page
41
End Page
48
Citation
Computers and Geotechnics (80): 41-48 (2016-12-01)
Publisher DOI
10.1016/j.compgeo.2016.06.012
Scopus ID
2-s2.0-84976600009
This article presents three-dimensional structural optimization in geotechnical engineering for foundations in granular soil. The general design (topology) of a shallow foundation is optimized with respect to its deformational behaviour within the service limit state. The SIMP (solid isotropic material with penalization) method is applied to optimize the distribution of foundation material. The soil is modelled as a hypoplastic material with a constitutive model suitable for optimization using finite element analysis. Two load cases are examined. The optimized topology is validated against two-dimensional optimization and 1g-model test results. The present study proves the applicability and shows the potential of topology optimization in geotechnical engineering.
Subjects
Finite element modelling
Hypoplasticity
Structural optimization
Three-dimensional
DDC Class
620: Ingenieurwissenschaften
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