terramechanics, computational mechanics, contact problems

Analysis of Slope locomotion of a rigid lugged wheel

Outline

DEM

  • 2D Analysis
  • 1G gravity
  • Radius of wheel rim: 10 cm
  • Max. elemental radius of soil DE: 4 mm
  • Preparation: soil DE generation and consolidation; free fall of wheel and rotation of soil bin; wheel locomotion on sloped terrain

Animation

Example of traction analysis

  • Slope angle: 20 deg
  • Wheel slip: 67%
  • Vertical contact load: 19.6 N
  • Local gross traction: 9.5 N
  • Local drawbar load: 6.7 N
  • PN: 1.5

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