查询词典 finite element method

This paper studies on the impression cylinder of J2108 offset press. With finite element method, deflection character of cylinder is achieved in static and dynamic load. Active-compensation to improve flexing-change of cylinder is bring forward, and its compensation character is simulated.

本文以J2108型胶印机压印滚筒为研究对象，通过有限元分析获得滚筒动静态挠曲特性，提出用主动补偿方法改善滚筒挠曲变形，并仿真分析了补偿特性。

According to the structural feature of parallel single disk gate valve,the strength and rigidity of body will be calculated with finite element method,and with cylindroid shell theory .

根据主闸阀结构特点，分别用有限元法和椭圆柱板壳理论公式计算了阀体的强度与刚度，并进行了分析对比，同时对闸板的刚度进行了校核。

Firstly, this paper researched the mechanism of tubing string vibration when natural gas flows in horizontal well tubing string. Secondly, established whole tubing string undamped and damped vibration system model according as reasonable assumption data of one horizontal well. Apply finite element analysis software to calculate tubing string natural characters, simple harmonic dynamic behavior of stable gas production and nonlinear dynamic behavior. Finally, this paper carried out the safety varied frequency of gas well and the method of vibration reduction.

本文首先从理论和数值模拟研究了天然气在水平井油管柱内的流动诱发油管柱振动的机理，然后在合理假设的基础上结合某水平井数据建立了全井段油管柱无阻尼和有阻尼振动系统模型，利用有限元软件计算分析了油管柱固有特性、稳产简谐动力学响应和非线性动力学响应，针对油管柱振动规律提出了天然气安全调节频率范围和减振措施。

The method of springback finite-element for large deflection of plate shaping is established on springback potential energy principle that is already concluded.

通过引入有限变形回弹反耦联系统和反耦联方程的概念，由回弹势能原理建立了板成形的大挠度回弹有限元法。

The formulated shape functions have the property of delta function and the essential boundary conditions can be applied as easy as in conventional finite element method.

然而，在紧支径向基函数点插值方法的实现过程中，仍需要背景积分网格进行辅助计算。

The pseudo delta function in seismic method is used to simulate the electric dipole source in finite element simulation, In this paper, the author extend it into three-dimensional case from which singularity from source is eliminated, and also the the stability of the equation is remarkably.

把应用于地震模拟中的伪delta函数引入到可控源电磁法中的有限元模拟中，并把其扩展到三维情况下，用源周围的小块区域代替偶极子源，从而消除了源点的奇异性，提高了方程组的稳定性。

Results The research of material mechcnics property of new device and finite element method analysis showed that its function of shape memory was very good.

结果 材料力学测试及有限元分析表明其形态记忆功能良好，体温状态下能产生稳定可靠的回复力，且应力分布均匀，抗拉能力强，具有弹性固定作用。

The differentiability of the initial stresses and elastic constants of the surrounding rocks of tunnels is discussed firstly from the point of view of finite element method.

1引言 输入参数(岩体力学参数、初始应力场)和岩体本构关系不准确是岩土工程数值模拟的两个瓶颈问题[1]。

Use of the finite element method, 2D FEM calculation of thermal diffusion equation.

使用有限元方法， 2D FEM计算热扩散方程。

The algorithm can give the solution of resultant finite element equations by means of the combination of direct Crout decomposition method and blocking technology. Thereby, we have solved the problem that the computer stops running the program because of not enough memory.

该算法采用直接法中克劳特分解法与分块技术相结合来求解已合成的总体有限元方程组，从而解决了计算机因内存有限而使程序经常死机的问题。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。