A geometric nonlinear dynamic analysis of beam is presented and the importance of interaction of shearing and axial forces in nonlinear dynamic analysis is investigated.
考虑梁的几何非线性动力问题，研究了其动力分析中剪力和轴力相互影响的重要性，提出了剪力和轴力的相互影响是考虑系统非线性影响的关。
The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction.
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。
This paper analyzes the parallelism of dynamic structural analyses with geometric nonlinearities, material nonlinearities and nonlinear boundary conditions.
对同时具有几何非线性、材料非线性和边界条件非线性的结构动力分析问题的并行性进行了讨论。
The nonlinear dynamic equation of a circular plate for various boundary conditions is derived, with the geometric nonlinear effects taken into account.
计及几何非线性，在各种板边条件下，建立了圆板受迫振动时的非线性动力学方程。
The nonlinear dynamic equation of free vibration to a circular plate for various boundary conditions, with the geometric nonlinear effects taken into account.
计及几何非线性，在各种板边条件下，建立圆板自由振动的非线性动力学方程。
FEM governing equations analyzing linear elastic, elastoplastic, static, dynamic and geometric nonlinear problems are introduced.
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。
Based on the former work, dynamic FEM analysis is made on the dynamic properties of the longest-span concrete cable-stayed bridge in Asia with geometric nonlinear effects considered.
通过研究斜拉桥模态试验的特点，首次提出了在两点移动测点法的基础上，利用梁模型振型函数优化峰值拾取法的模态参数，取得了理想的效果。
Based on the former work, dynamic FEM analysis is made on the dynamic properties of the longest-span concrete cable-stayed bridge in Asia with geometric nonlinear effects considered.
通过研究斜拉桥模态试验的特点，首次提出了在两点移动测点法的基础上，利用梁模型振型函数优化峰值拾取法的模态参数，取得了理想的效果。
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