Dynamic modeling of large deformation slope failure using smoothed particle finite element method

Yuan, Wei‐Hai; Kang, Lan; Zhang, Wei; Dai, Bei‐Bing; Wang, Yuan

doi:10.1007/s10346-020-01375-w

Cited by 66 publications

(34 citation statements)

References 42 publications

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“…Applications of the PFEM to failure and post-failure analyses of homogeneous conceptual slope model can be found in [37,48]. Its possibility for modelling more complicated cases, such as practical landslides in clays of high sensitivity [43,49] and submarine landslides [50], has also been explored.…”

Section: Particle Finite Element Methods Based On Mathematical Programmentioning

confidence: 99%

Large deformation dynamic analysis of progressive failure in layered clayey slopes under seismic loading using the particle finite element method

2021

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This paper presents the failure analysis of layered clayey slopes with emphasis on the combined effect of the clay’s weakening behavior and the seismic loading using the particle finite element method (PFEM). Diverse failure mechanisms have been disclosed via the PFEM modelling when the strain-weakening behavior of clay is concerned. In contrast to a single layered slope exhibiting either a shallow or a deep failure mode, a layered slope may undergo both failure modes with a time interval in between. Seismic loadings also enlarge the scale of slope failure in clays with weakening behavior. The failure of a real layered slope (i.e. the 1988 Saint-Adelphe landslide, Canada) triggered by the Saguenay earthquake is also studied in this paper. The simulation results reveal that the choice of the strain-softening value controls the slip surface of the landslide and the amplification effect is important in the triggering of the landslide.

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Section: Particle Finite Element Methods Based On Mathematical Programmentioning

confidence: 99%

Large deformation dynamic analysis of progressive failure in layered clayey slopes under seismic loading using the particle finite element method

2021

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“…Therefore, the PFEM is actually an updated Lagrangian FEM approach with remeshing technique to overcome the mesh distortion problem. In the field of geomechanics, the PFEM has been developed and applied to solve many different types of problems, including the ground excavation process [6,7], granular flow [8][9][10], landslide and landslidegenerated wave [11][12][13], soil penetration problem [14,15], hydro-mechanical coupled problem [15][16][17], and progressive slope failure [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

GPU-accelerated smoothed particle finite element method for large deformation analysis in geomechanics

Zhang

Zhong

Peng³

et al. 2021

Computers and Geotechnics

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Particle finite element method (PFEM) is an effective numerical tool for solving large-deformation problems in geomechanics. By incorporating the node integration technique with strain smoothing into the PFEM, we proposed the smoothed particle finite element method (SPFEM). This paper extends the SPFEM to three-dimensional cases and presents a SPFEM executed on graphics processing units (GPUs) to boost the computational efficiency. The detailed parallel computing strategy on GPU is introduced. New computation formulations related to the strain smoothing technique are proposed

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“…The FEM method utilizes the equilibrium equation and strain compatibility for the determination of the slope failure. This method uses M-C criteria to determine the mode of failure and the factor of safety of the slope [9][10][11]. M-C criteria were used to evaluate slope stability in the Handlebar Hill open-pit mine located at Mt.…”

Section: Introductionmentioning

confidence: 99%

Geomechanical Characteristics And Failure Analysis of The Limestone Slope At Sahastradhara-Chamasari Road Dehradun Uttarakhand India

Nayak

Kumar

Aggarwal

et al. 2021

Preprint

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In this study, the rock slope failure analysis was carried out to predict the stability of the limestone rock in the Sahastradhara-Chamasari Road Dehradun Uttarakhand, India. The limestone rock samples were collected from the study area for testing purposes. The geomechanical parameters like compressive strength, axial strain, young’s modulus, cohesive strength, angle of internal friction, etc., were experimentally determined to study their application in the simulation of slope failure analysis. A 2D model of the study area was developed using the field data for modelling and simulation purposes. Slope failure analysis was carried out using the Finite element method (FEM). Results indicated maximum compressive strength of the core sample as 85.14 MPa while axial strain and elastic modulus were 0.02197 and 842.45 MPa, respectively. The cohesive strength and the angle of internal friction of the core sample were evaluated as 38.59 kPa and 12.96 degree. The slope failure analysis was carried out to determine the factor of safety (FOS) of the slope at variable loading conditions. A decreasing trend of the FOS was observed with loading. The lesser value of FOS at higher loading conditions required the supporting system at the foot level of the slope for the slope stability in the study area.

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Dynamic modeling of large deformation slope failure using smoothed particle finite element method

Cited by 66 publications

References 42 publications

Large deformation dynamic analysis of progressive failure in layered clayey slopes under seismic loading using the particle finite element method

Large deformation dynamic analysis of progressive failure in layered clayey slopes under seismic loading using the particle finite element method

GPU-accelerated smoothed particle finite element method for large deformation analysis in geomechanics

Geomechanical Characteristics And Failure Analysis of The Limestone Slope At Sahastradhara-Chamasari Road Dehradun Uttarakhand India

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