Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/62065
Title: A new approach for modeling landslide movement over 3D topography using 3D discontinuous deformation analysis
Authors: Wang, W
Zhang, H
Zheng, L
Zhang, YB
Wu, YQ
Liu, SG
Keywords: 3D topography
3D-DDA
Contact detection
Landslide movement
Ordered blocky topography
Issue Date: 2017
Publisher: Elsevier
Source: Computers and geotechnics, 2017, v. 81, p. 87-97 How to cite?
Journal: Computers and geotechnics 
Abstract: Landslide movement analysis over three-dimensional (3D) topography is crucial for hazard evaluation and prevention. This paper presents a new approach to simulate landslide movement considering the 3D spatial effects of both the landslide mass and topography using discontinuous deformation analysis (DDA). The approach involves two aspects: the ordered blocky topography (OBT) treatment for the base slope and an algorithm for fast contact detection between the landslide block (LB) and the OBT. By introducing the OBT treatment, the LB-OBT contact detection can be simplified from the global range to the local sub-topography using the current algorithm, which enhances the computation efficiency. The approach has been implemented in the 3D-DDA program. Finally, the capability and performance of the proposed approach for landslide movement modeling were well demonstrated by two numerical examples.
URI: http://hdl.handle.net/10397/62065
ISSN: 0266-352X
DOI: 10.1016/j.compgeo.2016.07.015
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

2
Last Week
0
Last month
Citations as of Aug 21, 2017

WEB OF SCIENCETM
Citations

2
Last Week
0
Last month
Citations as of Aug 22, 2017

Page view(s)

35
Last Week
3
Last month
Checked on Aug 20, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.