其次，论述了关于拱桥稳定性的挠度问题和极限承载力的几何非线性理论。
Secondly, it discussed the deflection in stability of arch bridge and geometry nonlinear theory on ultimate load-carrying ability.
在前述方法的基础上，提出了拱桥承载力的评定方法，即先利用单荷载工况建立基于挠度残差值的目标函数，修正模型的弹性模量和几何参数。
At first it sets up objective function on the basis of the deflection difference of the single working and updates the elastic modulus and geometric parameter of the model.
本文建立了一种新的数值方法——有限体积法进行悬索的大挠度(几何非线性)静力分析和动力响应分析。
In this thesis a new numerical method - the finite volume method is developed to achieve the static and dynamic large-deflection response analysis for suspension cables.
测试了不同压下挠度矫直时H型钢的几何形态和主要力能参数，进一步证明了理论分析和仿真结果的正确性。
Geometricshape and energetic parameters of H-beam are tested for different bending deflection. Theresults of test show that theoretical and simulation analysis is correct.
梁段、柱段变形引起的梁外端挠度可利用已有悬臂柱低周交变加载模拟程序计算，再通过几何关系换算得到。
The beam end displacement due to beam and column deformation may be calculated by existing cantilever program and then converted by geometric relation.
理论上采用大挠度的应变——位移关系，建立了圆柱壳单元的弹性刚度矩阵和几何刚度矩阵。
The elastic stiffness matrix and the geometrical stiffness matrix for a element of cylindrical shells been established by the relation ship of strain displacement in a lange deflection.
理论上采用大挠度的应变——位移关系，建立了圆柱壳单元的弹性刚度矩阵和几何刚度矩阵。
The elastic stiffness matrix and the geometrical stiffness matrix for a element of cylindrical shells been established by the relation ship of strain displacement in a lange deflection.
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