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Distribution of radial normal force and hoop tension force were discussed and equations derived. FEM analysis and experiments were carried out to verify the theoretical analysis.

对管材环状试样拉伸过程中试样的受力和变形进行了分析，采用正压力线性变化假设，推导了等宽环状试样的正压力和切向力计算公式。

This FEM simulation system is used to simulate the microstructure evolution of DRX in W18Cr4V high speed steel and AISI H13 hot-work tool steel. The simulation results agree well with the experimental results.

采用这一数值模拟系统对W18Cr4V高速钢和AISI H13热作模具钢热变形动态再结晶组织演化进行了数值模拟，数值模拟的结果与实际吻合得颇好。

The results compared with theFEM results given by MSC/NASTRAN show that the PC cluster set up in this paperis reliable and the algorithms presented are efficient,and the solution of stresses ismore accurate tan FEM.Parallel computing can be served as a powerful tool inexpanding the application of BEM and will accelerate the development of BEM incertain extent.

同时还说明边界元法与并行计算的手段相结合，能够发挥其计算精度高的优势，拓展边界元法在工程实际中的应用范围。

The plane-wave solution of the system of the fluid-gas-dam and the FEM model of gas isolations based on the state equation of...

1.5.3 地震反应的动态设计方法 251.5.4 地震作用的不确定性 251.6.1 结构振动控制方法 25-261.6.2 大坝气幕隔震 26-28

Key Words:line pipe;yield strength;hydrostatic testing method;FEM

主题词：管线钢管；屈服强度；静水压试验；有限元计算

The high-accuracy numerical simulation results by FEM indicate: the overburden deformation and failure caused by mining lead to fracture and the changes of apparent resistivity in overburden. The affected area is much larger than the actual fracture, nearly twice the fracture area. The most affected area by the apparent resistivity values is the caving zone. The changing ratio can be up to 19%. In the cracked zone, the changing ratio of the apparent resistivity is 10% to 12%.

计算结果表明：采动裂隙引起煤层上覆地层的视电阻率变化，其影响范围较实际破裂范围大得多，基本上是覆岩冒裂带范围的两倍，其视电阻率值最大影响区为冒落带，变化率可达19%；在裂隙发育带，视电阻率的变化率可达10%12%。

Though FEM computation, the optimized geometry parameters of the end mill are determined and new product design is accomplished.

本设计过程体现了现代设计方法和技术在刀具设计中的应用，改变了传统的经验设计模式，提高设计精度，改善了立铣刀综合切削性能。

Key moras: subaivision surface; auaarilateral grias; parametric; FEM

要害词：细分曲面；四边形网格；参数化；有限元

The spatial calculation FEM for skew T-beam bridge with multi-ribbed slabs is proposed.

由此提出了斜交多肋T梁桥空间计算的斜形板梁有限单元法。

In this paper, the author applied the large 3 dimension FEM program to simulate the block stopings block parameter and ore drawing sequence in the mining system design about -5 80m level of Datusan field in Shizishan Copper mine , and attained to good effect.

中段采矿系统的设计中，具有明显的现实意义和学术价值。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"