利用半解析单元法将顶管施工中三维土运动问题转化成一维数值计算。
By making use of the semi analytical element method, the three dimensional soil movements problem of pipe jacking is transfered to a one dimensional numerical calculation.
本文根据变分原理，利用有限单元法分析在水平地震运动作用下圆柱形弹性储液罐的动力反应。
Based on the variational principle, the dynamic responses of flexible cylindrical liquid storage tanks, excited seismically have been analyzed by the finite element method.
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。
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.
本文首先介绍了这种方法的基本原理，提出了特征有限元法求解时确定运动质点所属单元的方法，随后以佳木斯地区为例，介绍了这一方法在求解地下水污染问题时的具体运用。
The fundamental of CFEM was described and a simple but effective method was put forward to determine the serial number of the element in which the moving particles located. A living example in Jia…
建立一种空间有限元梁单元新模型，基于有限元法和Lagrange方程导出有限元梁单元的运动微分方程。
A new model of spatial flexible beam element is proposed. The dynamic equation of the spatial flexible beam element is derived based on the finite element theory and Lagrange equations.
建立一种空间有限元梁单元新模型，基于有限元法和Lagrange方程导出有限元梁单元的运动微分方程。
A new model of spatial flexible beam element is proposed. The dynamic equation of the spatial flexible beam element is derived based on the finite element theory and Lagrange equations.
应用推荐