分析中采用了动力方法，考虑了几何大变形和冲击作用的影响。
The effects of geometric large deformation and impact action were taken into account in dynamic analysis.
提出了梁壳垂直组合结构在有限元计算中存在的问题，并以几何大变形问题为依托提供了解决该问题的计算原理和有限元方法。
The problems in computing beam-shell-composed structures with the finite element method are pointed out, and a corresponding solution method is proposed based on the finite deformation theory.
空气冲击湿砂造型过程有着本身的特点：快速冲击，离散的材料体系，材料非线性和几何大变形并存，是一个非常复杂的力学过程。
The pneumatic moulding is a very complex mechanical process with the features of fast impact, discrete materials, combined geometrical and material nonlinearity.
索穹顶结构是大变形柔性组合结构，其受力分析属于几何非线性问题，求解较复杂。
Cable dome is a large deformation composite structure consisted of flexible cables. Its analysis is a geometric nonlinear problem and is difficult in its solution.
在有限元法推导方程的过程中，考虑到拉索大变形的应变表达式，求得它的几何刚度矩阵和弹性刚度矩阵。
While deriving the finite element equation, get the cable's strain formula considering the big distortion, get its geometry rigidity matrix and elastic rigidity matrix.
文中应用简单高阶剪切层合理论和大变形理论对各向异性纤维增强的矩形橡胶复合材料层合板进行了几何非线性分析。
Using the Simple High order Shear Deformation Laminate Theory and large deformation theory, the geometric nonlinear analysis of rubber rectangular composite laminate plate is presented.
采用大变形几何非线性有限元法分析强夯加固机理及其振动对环境影响。
The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction.
提出一种解决几何非线性问题的优化算法，研究了悬臂压杆的几何非线性大变形问题。
An optimum algorithm is proposed to solve the geometrically nonlinear problem of large deformation of a cantilever under pressure on free end.
本文对大变形理论网格法技术以及与网格应变分析相联系的几何模拟法进行了深入的研究。
In this paper, the technology of large deformation square grid and the geometrical simulation which is closely allied with the square grid strain analysis, are studied deeply.
提出一种求解几何非线性问题的优化算法，并研究了简支梁的几何非线性大变形问题。
An optimum algorithm is proposed to solve the geometrically nonlinear problem for a simply-supported beam with large deformation.
精冲数值模拟涉及到大变形等几何非线性问题又有弹塑性变形等材料非线性的问题。
Numerical simulation of the fine blanking process for steel which contains elastoplastic large deformation is conducted with the software DEFORM.
回顾了线弹性、弹塑性及大变形几何非线性的静力、动力有限元法的基本方程及求解过程。
FEM governing equations analyzing linear elastic, elastoplastic, static, dynamic and geometric nonlinear problems are introduced.
大变形理论能够处理几何非线性和材料非线性问题，这样，既考虑了土体的材料非线性又考虑了其几何非线性。
Large deformation theory to deal with geometric and material nonlinearity problems, so that not only considering the material nonlinearity of soil has to consider its geometric nonlinearity.
基于轴向可伸长梁的几何非线性理论建立了弹性直梁在热过屈曲静态大变形附近自由振动的几何非线性模型。
Based on the geometrically nonlinear theory for axially extensible beams, formulations of free vibrations in the vicinity of thermal post-buckling were derived.
对温度、弹性变形和刚体运动变量联合求解，研究了热流引起的温度梯度对弹性变形和刚体转动的影响，以及在大变形情况下的几何非线性效应。
The influence of temperature gradient on the elastic deformation and rigid body motion and geometric nonlinear effect due to the large deformation are investigated.
结构部分以四边形平板壳元为基础，采用更新的拉格朗日(UL)方法分析结构大变形引起的几何非线性问题。
The structural analysis is based on a quadrilateral flat-shell element and an updated Lagrange (ul) formulation, which can be employed to model geometric nonlinearities arising from large deflections.
大变形条件下的大规模冲击接触计算是一个涉及几何非线性、材料非线性和边界条件非线性的问题。
With large deformation, the behavior of contact-impact computation presents geometric non-linearity, material non-linearity and boundary condition non-linearity.
在有临空面时，节理岩体将表现出显著的几何非线性和大变形。
When there exists a free surface, jointed rock masses will behave highly nonlinear with large deformation.
体现了铝板坯铸轧过程为材料非线性、几何非线性和接触非线性的大变形。
Based on the finite element theory of non-linear thermal coupling, coupledly analyse the interaction between temperature load and the deformation.
体现了铝板坯铸轧过程为材料非线性、几何非线性和接触非线性的大变形。
Based on the finite element theory of non-linear thermal coupling, coupledly analyse the interaction between temperature load and the deformation.
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