Chapter
Aug 11, 2016
A Modified Method of Generating Specimens for a 2D DEM Centrifuge Model
Authors: N. Duan [email protected] and Y. P. ChengAuthor Affiliations
Publication: Geo-Chicago 2016
Abstract
This paper presents a modified particle generation method, named as the grid method (GM), capable of generating homogeneous specimens for model scale centrifuge studies using the discrete element method (DEM). The DEM specimens were temporarily are divided into grids so that soil particles could be created in batches into a smaller area. Using the specimen, a 2D DEM-centrifuge model was prepared by applying an increased gravity condition, which was then used to study the monotonic loading behaviour of a rigid monopile. This formed the DEM-centrifuge model, and it was found that the GM was efficient in preparing the dense samples because it reduced the overall sample preparation time and managed to generate more homogeneous specimens.
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Information
Published In
Geo-Chicago 2016
Pages: 610 - 620
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Aug 11, 2016
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ASCE Technical Topics:
- Centrifuge models
- Discrete element method
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Gravity loads
- Homogeneity
- Material mechanics
- Material properties
- Materials engineering
- Mesh generation
- Methodology (by type)
- Models (by type)
- Numerical methods
- Numerical models
- Particles
- Scale models
- Static loads
- Statics (mechanics)
- Two-dimensional models
Authors
Affiliations
Dept. of Civil, Environment and Geomatic Engineering, Univ. College London, London, U.K. E-mail: [email protected]
Y. P. Cheng
Dept. of Civil, Environment and Geomatic Engineering, Univ. College London, London, U.K.
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