Abstract
In futuristic vehicle traveling simulation on a rough terrain, it is desirable to perform terramechanics analysis that reflected appropriate road surface information. This paper presents a multi-st...
Highlights
Terramechanics is an interdisciplinary field that deals with the interaction between the ground and vehicles (Bekker, 1956; Vantsevich, 2015; Wong, 2008; WONG, 1997)
● In this study, we proposed a multi-stage analysis method that seamlessly performs the process of ground surface formation and trafficability evaluation
We performed a terramechanics analysis of wheels on terrain fields created under various conditions
Summary
Terramechanics is an interdisciplinary field that deals with the interaction between the ground and vehicles (Bekker, 1956; Vantsevich, 2015; Wong, 2008; WONG, 1997). In this study, using the simulation of wind-blown ripple formation as an example, a modeling method of a terrain field, which uses the soil surface geometry, is proposed for terramechanics analysis. In order to propose a method for multi-stage analysis for achieving seamlessness with terramechanics analysis, we demonstrated the systematic analysis of single wheel locomotion using numerically created sand ripple fields. Analysis results In the numerical simulation, the dynamics of saltation and creep are evaluated at each time step, and a ripple pattern is formed by repeated calculation. The wind ripple pattern at k = 30000 was used as the steady state and was reflected in the terrain field modeling for terramechanics analysis, which will be presented later. It should be noted that the distributions of the initial height using random numbers were the same for conditions A–E
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