This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.
本文利用变分有限元法、样条函数等，提出了薄壁箱梁结构分析的数值理论和方法。
A finite element method using subregion variational principle and spline function in this paper is presented to solve the problem of combined shell of revolution.
本文提出一种用分区变分原理和样条函数相结合的有限元方法，解决组合型旋转壳受力分析问题。
The vibration equation of laminated plates and the calculation formula of responding sensitivity of antisymmetric laminated plates by using spline finite element method are presented.
用样条有限元法，导出了层合板的振动方程，建立了求解反对称层合板响应灵敏度的计算公式。
Through the analysis of mechanic model of spline function, the paper proposed a simple, convenient and efficient sheet assimilative method based on finite element to calculate earthwork volume.
在分析样条函数的力学模型基础上，提出了一种根据地面标高利用薄板比拟法计算土方量的简便、实用、高效的方法。
The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.
本文用样条有限元法，分析了反对称角铺设层合板的自由振动问题。
The displacement variational principle was used to develop the spline finite member element method for buckling analysis of thin walled members with shear lag effect.
根据势能驻值原理 ，提出在横向荷载作用下薄壁杆件稳定分析的样条有限杆元法。
The spline fictitious boundary element method (SFBEM) is a modified method to the conventional indirect singular boundary element method.
样条虚边界元法是针对传统间接奇异边界元法存在的问题而提出的一种半解析半数值方法。
The spline element analysis is applied in space domain and the state space precision method is used in time domain.
对空间域采用样条元计算，对时间域采用状态空间精细法。
With the cubic B spline functions treated as displacement functions, a new method is introduced into. The result is compared with one of the finite element method.
应用样条有限点法，以三次B 样条函数为位移试函数，导出了拱结构非线性内力分析的新方法。
The spline finite element is used for space domain and the state space method is used for time domain respectively.
对空间域，采用样条有限元法；对时间域，采用现代控制论中的状态空间法。
We analyse the sluice chamber by 3-D spline boundary element method.
用三维样条边界无法分析水闸闸室结构。
In chapter 4, we discuss the spline finite element method.
在第四章中，我们讨论了样条有限元方法。
The main content of this thesis is lateral buckling analysis of thin-walled structures with irregular cross section by transformed 63 spline finite member element method.
本文主要分析了具有不规则横截面形状的薄壁结构在横向荷载下的稳定问题。
The main content of this thesis is lateral buckling analysis of thin-walled structures with irregular cross section by transformed 63 spline finite member element method.
本文主要分析了具有不规则横截面形状的薄壁结构在横向荷载下的稳定问题。
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