A Dynamic Simulation of Soil-Wheel Interaction

Abstract

A dynamic vehicle model, simulating both the vehicle dynamics and the wheel-soft soil interaction, is presented. Equations of motion are presented for a two-dimensional, six-degree-of-freedom vehicle. Relationships for forces and moments on the vehicle and its wheels due to wheel-soil interaction are developed as functions of normal and shear stresses in the soil. Both the rigid wheel and flexible wheel cases are addressed. Current state-of-the-art relationships among shear stress, normal stress, wheel sinkage, and wheel slip are used. Parametric studies are used to assess the qualitative validity of the model. While experimental data does not exist, comparison of the results of the simulation with known information from the field of off-the-road mobility indicates the model to be valid.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1973
Accession Number
AD0769637

Entities

People

  • Sheridan Lee Miszklevitz

Organizations

  • Stevens Institute of Technology

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Bearing Capacity
  • Center Of Gravity
  • Civil Engineering
  • Computer Simulations
  • Coordinate Systems
  • Differential Equations
  • Equations
  • Equations Of Motion
  • Experimental Data
  • Mechanics
  • Models
  • New York
  • Pressure Distribution
  • Shear Stresses
  • Simulations
  • Steady State
  • United States

Fields of Study

  • Engineering

Readers

  • Computational Fluid Dynamics (CFD)
  • Mechanical Engineering/Mechanics of Materials.
  • Pavement Materials Engineering.