The spatial axisymmetric finite element model is established considering the nonlinear of the soil and the interface between pile and soil.
考虑桩周土体及桩–土接触的非线性，建立了空间轴对称有限元模型；
Based on the universal finite element analysis software ANSYS, a spatial model of the bridge is built and the stress distribution under the live load on main sections is analyzed.
利用大型通用软件ANSYS建立结构空间有限元分析模型，分析活载作用下各控制截面的应力分布规律。
Based on the new contact model, finite element analysis scheme of drill rods in contact with curved boreholes is given using Bernoulli spatial curved beam elements.
利用新的接触模型，采用忽略横向剪切变形的三维空间曲梁单元对三维曲井内钻柱的接触非线性进行了有限元分析，给出了一套计算方法。
A three-dimensional finite element model considering spatial effect of foundation pit resilience is proposed in this paper.
提出了深基坑回弹空间效应分析的三维有限元模型。
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.
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。
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