1·On the basis of the theory of dynamic mechanics and elastic-plasticity mechanics, the asphalt pavement of semi-rigid subbase on the soft clay ground is analyzed using the axisymmetric FEM.
基于动力学和弹塑性力学理论,采用轴对称有限单元法系统地分析了软土地基上半刚性基层沥青混凝土路面结构体的工作性状。
2·By using plane strain FEM in this paper, the affection is analysed about differential settlements value to pavement structure.
本文运用平面应变有限单元法,分析了不同沉降量对路面结构的影响。
3·The incremental motion equations of a M DOF structural system excitated by seismic waves are formulated based on FEM, and a seismic response model for cable stayed bridges are proposed.
基于有限单元法,推导出多自由度结构体系在地震作用下的增量形式的运动方程,建立了大跨度斜拉桥的地震激励模型。
4·A stress analysis of a diesel engine crankshaft is made by FEM based on dynamics analysis to determine the position of the initial crack and its propagation direction.
在内燃机动力分析的基础上,运用有限单元法,通过对曲轴应力分析,确定了裂纹启裂部位和扩展方向;