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基于多体接触碰撞的松软地面车轮沉陷仿真（Numerical Simulation of Wheel Sinkage on Soft Terrain Based on Multibody Contact Problem）
车辆地面力学 松软地面 车轮沉陷
2009/11/3
提出了一种大规模多体系统接触碰撞理论与车辆地面力学理论相结合的仿真方法，并基于多体动力学仿真平台开发了车轮土壤相互作用仿真模块。基于该方法建立的土壤动力学模型和车轮土壤接触碰撞模型，进行了车轮沉陷的仿真。根据记录，在普通配置台式计算机上模拟土槽系统30 s的运动，仅需20 min。在相同实验条件下，仿真结果与土槽实验结果趋势一致，仿真曲线与土槽实验曲线吻合良好。由此表明该仿真算法能够满足越野行驶仿...
A Mixed Finite Element Method for the Contact Problem in Elasticity
contact problem mixed finite element method
2012/7/31
Based on the analysis of [7] and [10], we present the mixed nite element approximation of the variational inequality resulting from the contact problem in elasticity. The convergence rate of the stre...
Contact problem for the autofrettage of thick cylinders
Contact problem for the autofrettage thick cylinders
2010/3/12
Contact problem for the autofrettage of thick cylinders。