单位载荷法是一种简单、直观、实用的钩针变形计算法，它有别于复杂的传统计算法。
The unit load method is a simple, easy and practical calculating method which differs from the complicated traditional ones.
采用迭代算法，对弹性轮胎在不同松软地表上的轮胎变形、下陷，轮胎的牵引力、滚动阻力、扭矩、牵引因数、牵引效率进行了计算。
Interative algorithm is used to calculate the tire deformation and sinkage, tractive force, rolling resistance, torque, tractive coefficient, tractive efficiency under different soft terrains.
为研究滑坡隧道间的相互作用机理及受力变形规律，应用接触问题的有限元算法对这一问题进行了计算分析。
A finite element method for contact problems is developed to study the interaction mechanism between landslides and tunnels and to analyze the deformation of the tunnels in landslides.
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