推导了考虑几何非线性项的结构形状优化位移灵敏度和应力灵敏度计算列式。
This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element.
推导了考虑大应变大位移的几何非线性有限元列式。
The geometric nonlinear finite element formulation is derived, including large strain and large displacement.
倾斜吊杆悬索桥的结构分析包含“变作用形式”和大位移两个几何非线性问题。
The structural analysis of inclined boom suspension bridge includes following two geometric nonlinear problems, the changing working structure form and the large flect.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定了单元耦合形函数。
The element coupling shape function matrices are derived by means of geometrically nonlinear strain displacement relation under small deformation assumption.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定单元耦合形函数。
The element coupling shape function meatrices are derived by means of geometrically nonlinear strain displacement relation un-der small deformation assumption.
采用大位移几何非线性理论，研究了变压器低压绕组的辐向稳定性。
The large deformation geometric nonlinear theory is used to study radial stability of transformer low-voltage windings.
另外，通过全拉格朗日方法考虑了大位移的几何非线性影响。
The geometric nonlinearity due to large displacement is taken into consideration through Total Lagrange approach.
通过建立钢板弹簧的曲梁模型，应用虚力原理求解位移，得到了变截面钢板弹簧刚度的几何非线性特性。
A nonlinear characteristic of taper leaf springs is presented by using the model of curved beam and the principle of virtual force.
在几何非线性有限元理论的基础上，建立了膜结构和索网结构非线性位移法找形分析的基本方程。
Based on the geometrical nonlinear theory, the equations for form finding of cable nets and membrane structures are established.
由于大位移几何非线性的考虑，通过全面的拉格朗日方法。
The geometric nonlinearity due to large displacement is taken into consideration through Total Lagrange approach.
计算结果表明，几何非线性使薄壁圆柱壳产生硬化，其非线性频率升高，并同时讨论了线性、非线性频率与节径数及初始位移之间的关系。
Results show that nonlinear frequencies increase with effect of large geometric deformation taken Relationships among linear frequencies, nonlinear frequencies and initial displacements are discussed.
分析中考虑了大位移引起的几何非线性；塑性、应变强化及应变率效应引起的材料非线性的影响。
It takes into account the influences of geometrical nonlinearities due to large, deflection and material nonlinearities due to plasticity, strain-hardening and Strain-rate Sensitivity.
分析中考虑了大位移引起的几何非线性；塑性、应变强化及应变率效应引起的材料非线性的影响。
It takes into account the influences of geometrical nonlinearities due to large, deflection and material nonlinearities due to plasticity, strain-hardening and Strain-rate Sensitivity.
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