1. Landslide Hazard Study
A conceptual account of numerical method
16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
2. Landslide
Hazard Study
Regional Scale
Statistical
Analysis (GIS)
Bivariate Multivariate
Threshold
Model
Local Scale
Numerical
Method
Continuum Discontinuum Hybrid
Conventional
Method
Artificial
Neural
Network
16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
3. 16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
Numerical Method; Continuum vs. Discontinuum
4. Principle of Finite Element Method (FEM)
16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
Numerical Method; Continuum Approach
Slope Model without discretization Slope Model with discretization
6 node triangular
element
5. 16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
Numerical Method; Continuum Approach- Different Noded Elements
3 Noded 6 Noded
4 Noded 8 Noded
7. 16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
Numerical Method; Phase 2 Software
Phase 2
Project Setting
General
Number of
Stage
Analysis Type
Solver Type
Units
Stress analysis
Number of
iteration
Tolerance
Convergence
Type
Groundwater
Condition
Method
Fluid’s Unit
Weight
Strength
Reduction
Field Stress
Constant
Gravity
Mesh Setting
Mesh Type
Element Type
Material
Property
Material
Nature
Isotropic
Transverse
Isotropic
Orthotropic
Failure
Criteria
M-C
GHB
8. 16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
Numerical Method; Continuum Approach; Other Methods
FDM FVM
BEM Meshless
9. Dis-continuum Approach; Principle
16 April 2015 Geotechnical Laboratory, WIHG, Dehradun
Numerical Method
Slope Model without blocking Slope Model with blocks
Rigid
Deformable