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Technical Specifications

Coefficients of Restitution

  • Table of coefficients of restitution included
  • Table of coefficients of friction included

Data Collectors

  • Gather information/statistics at any location

Earthen Berms

  • Rockfall mitigation tool
  • Triangular, trapezoidal, or custom berm shapes
  • Calculate impact with berms or specify berms with infinite capacities

Enhanced Barrier Analysis

  • Unlimited number of barriers
  • Deformable barriers
  • Single variable barrier sensitivity analysis
  • Double variable barrier sensitivity analysis
  • Reusable barrier properties
  • Built-in library includes Maccaferri, Trumer-Schutzbauten, Geobrugg, and PFEIFER ISOFER barriers
  • Check barrier designs per Italian or Austrian codes or un-factored method


  • Pick particular rock paths to create statistics/graphs
  • Define advanced filters based on combinations of criteria

Graphs Produced

  • Histogram of rock endpoint locations
  • Mean, standard deviation, max graphs (energy, velocity, bounce height, etc.)
  • Distribution graphs show distribution at specific locations (same data as envelope graphs)
  • Create histograms or cumulative distributions for specific locations (impact locations, energy, etc.)
  • Toggle end reasons, seeders, rock types, and rock shapes added to Endpoint location, envelope, and distribution graphs

Lumped Mass Method

  • Model each rock as a particle with only mass
  • Use both normal and tangential coefficients of restitution
  • Scale normal coefficient of restitution by rock mass or impact velocity


  • Copy graphs/plots to clipboard
  • Transfer plots to Excel with one click
  • Add property tables to the model view
  • Export rock paths to .dxf format
  • Copy geometry/parameters to clipboard
  • Advanced report generation
  • Save screen to image fi le or capture to clipboard
  • Slope and slope/chart views are easily added
  • Animate rockfall results
  • Display contact points
  • Save computed paths

Rigid Body Method

  • Rock type library
  • Define rock shape and size
  • Polygonal rock shapes and Fourier shapes
  • Custom polygons
  • Forest damping for treed slopes
  • Variable friction according to sliding distance
  • Viscoplastic ground drag

Rock Starting Location

  • Specify single location, point seeder series, and line seeders
  • Unlimited number of starting locations
  • Probability settings for each seeder
  • Random/Pseudo-random number generation


  • No restriction on slope geometry (e.g., overhanging sections)
  • Statistically defined material properties
  • Forest damping for treed slopes
  • Advanced friction parameters; scarring and viscous damping may be enabled
  • Model crest loss
  • Statistically defined slope vertices
  • Import/export material properties
  • Import .dxf, .crsp (version 3 & 4) fi les
  • Import .bmp images
  • Define slope based on segment lengths and angles


  • Extensive verification manual
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