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2D Limit Equilibrium Analysis for Slopes

Built-in Groundwater Seepage Analysis

Includes a Finite Element Seepage Analysis tool. Automatically generate your mesh and compute your steady state or transient analysis without the need for separate programs.

Probabilistic Analysis

Go above and beyond Latin-Hypercube sampling. Speed up your computations with our machine-learning-based Response Surface or generate thousands of what-if scenarios with a spatial variability analysis.


Reinforce your model with a geosynthetic from our manufacturer library, import your pile from RSPile, or define your own support. Slide2 comes with an extensive library of support types including Retaining Walls (EFP) and Launched Soil Nails.

Features in Slide2

Technical Specifications

Analysis Methods

  • Bishop Simplified
  • Corps of Engineers #1
  • Corps of Engineers #2
  • GLE/Morgenstern-Price
  • Janbu Corrected
  • Janbu Simplified
  • Lowe-Karafiath
  • Ordinary/Fellenius
  • Sarma Vertical & Non-vertical Slice
  • Spencer

Data Interpretation

  • Annotation and dimensioning tool kit
  • Contour groundwater results—total head, pore pressure, velocity, gradient
  • Export image files
  • Export to Excel
  • Filter slip surfaces
  • Interactive data tips
  • Plot factor of safety along slope
  • Plot results directly on slip surface
  • Plot safety factor vs. time for transient analysis
  • Plot slice data
  • Plot slip surface data
  • Print models at scale
  • Support force diagrams
  • Property viewer—contour material properties

Finite Element Groundwater Seepage Analysis

  • Constant or time-dependent boundary conditions
  • Discharge sections
  • Mapped meshing
  • Multi-stage transient groundwater seepage
  • One-click automatic meshing
  • Saturated/unsaturated
  • Show mesh quality
  • Steady state seepage
  • View groundwater and slope stability results simultaneously


  • Distributed loads
  • Line loads
  • Seismic loads


  • Borehole entry
  • CAD drawing tools
  • .dxf import/export
  • Geometry from soil profile
  • Multi-scenario modeling
  • One-click material assignment
  • Weak layer boundary

Pore Pressure Definition

  • Calculate excess pore pressure using B-bar method
  • Choose grid interpolation method
  • Finite element groundwater seepage analysis
  • Phreatic surfaces
  • Piezometric lines
  • Pore pressure grids—total head, pressure head, pore pressure
  • Rapid drawdown analysis
  • Ru coefficients

Probabilistic Analysis

  • Advanced correlation between input parameters
  • Critical probabilistic surface
  • Spatial variability analysis
  • Distributions—Normal, Uniform, Triangular, Beta, Exponential, Lognormal, Gamma
  • Equate material properties
  • Histogram, cumulative, and scatter plots
  • Monte Carlo, Latin Hypercube, or Response Surface simulation
  • Probability of failure/Reliability index
  • Sensitivity analysis
  • Use any input parameters as random variables

Rapid Drawdown Methods

  • Army Corps Engineering 2-stage
  • Duncan, Wright, Wong 3-stage
  • Effective stress using B-bar
  • Lowe and Karafiath

Search Methods

  • Auto-refine search
  • Block search
  • Cuckoo search
  • Grid search
  • Non-circular surface optimization
  • Particle swarm
  • Path search
  • Simulated annealing
  • Slope search

Seismic Options

  • Compute Kc critical acceleration
  • Newmark displacement (rigid, coupled, de-coupled)
  • Pseudo-static analysis
  • Staged pseudo-static analysis Slip Surface Options
  • Circular surfaces
  • Composite surfaces
  • Non-circular/Planar surfaces
  • Tension cracks


  • Active vs. passive anchors
  • Back analysis (compute required support force for safety factor)
  • Easily define/edit patterns
  • End-anchored bolts
  • Geotextiles
  • Grouted tiebacks
  • Piles and micropiles
  • RSPile integration
  • Soil nails
  • User-defined support model
  • Retaining Wall (EFP)
  • Helical Anchor

Strength Models

  • Anisotropic function
  • Anisotropic linear
  • Anisotropic strength
  • Barton-Bandis
  • Discrete function
  • Drained-Undrained
  • Generalized anisotropic
  • Generalized Hoek-Brown
  • Hoek-Brown
  • Hyperbolic
  • Infinite strength
  • Mohr-Coulomb
  • No strength (i.e., water)
  • Power curve
  • Shear/normal function
  • Snowden modified anisotropic linear
  • Tension cutoff
  • Undrained (Phi = 0)
  • Unsaturated shear strength
  • Vertical stress ratio

Slide2 across Applications

Analyze the slope stability of your dam or embankment. Perform a transient ground water analysis to analyze the transient pore pressures and their impact.


Improve efficiency using the soil profile feature to input your original material geometry as a base template for excavations.

Made for simplicity and complexity, you can either use a simple water table for your model or the built-in FEM seepage engine for when you need more control.

Create multiple scenarios in one file to analyze different sections of your mine. Or run the model in Slide3 and compute your Slide2 sections within it.

Model rock or soil slopes and perform stability analysis to identify the critical failure surfaces. Analyze a wide variety of slopes including Mechanically Stabilized Earth walls, retaining walls and reinforced soil structures.

Explore the latest features in Slide2

Get more insight into your models by searching for more than one critical failure surface. With MMO you can seek out the top three most critical failure surfaces at once and consider them in your analysis.


Get full flexibility in the definition of your anisotropic material. Assign any material strength type as a joint or base. Define an angle range for anisotropy or assign one or multiple anisotropic surfaces to the same material.

Define your own geosynthetic manufacturer library and share a read-only copy with your team to ensure everyone is using the same support properties. Once added to Slide2, you will be able to access it from all Slide2 files on your machine.

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