有限元法

It was revealed that the calculation time was saved by nonlinear finite element analysis method. The theory of design was provided for improving of the structure of the check ring joint structure in underwater skirt pile gripper.

文中实践说明，采用非线性有限元法节省了分析计算时间，为卡环式连接结构的优化设计及制造提供了理论依据。

This kind of bio-mimetic foot was driven by a flexible cable, which grabbed the wall surface with claws. According to the locomotion mechanism of hornet tarsus chain, the foot joint, foot tarsus and claw were modified with the optimal design by finite element method.

该脚掌利用尖爪实现抓附，并由一根柔索传递驱动力；根据大黄蜂跗节链的运动机理设计了脚掌关节、脚掌跗节和脚掌尖爪，并辅以有限元法对其强度进行计算校核。

Cone bit ; bit bearing ; stress analysis ; finite element analysis

牙轮钻头；钻头轴承；应力分析；有限元法

The calculation results show that the temperature of the valve cone changes periodically, leading to thermal stress changes periodically, which is the main reason of the valve cone pit corrosion; the operating temperature of the valve can be reduced by using the higher thermal conductivity materials; at the Same time, 3-D FEM provides a good theoretical basis in the process of the design and improvement for the parts of ICE.

计算结果表明：气门锥面处周期性的温度变化，会导致周期性变化的热应力，是导致气门锥面疲劳点蚀的主要原因；采用较高导热系数的材料可降低气门的工作温度；同时，三维有限元法能为内燃机零部件的进一步设计改进提供很好的理论依据。

In order to improve the life of cement concrete bridge deck pavement,compound beam test was used to research the fatigue characteristics of hot mixed asphalt courses on bridge deck,finite element analysis method was employed to make the mechanical response of compound beam accord with that of actual bridge deck under the same load,the fatigue test was done for compound beams with different pavement structures.

为了提高水泥混凝土桥面沥青混凝土铺装的使用寿命，以复合梁试验评价不同的桥面沥青铺装结构的疲劳性能，采用有限元法分析荷载作用下复合梁试件具有与实际梁体一致的应力响应，并采用复合梁疲劳试验测试不同桥面沥青铺装层组合的疲劳寿命。

In combination with the Yingbulu engineering,the author studied deeply the influence of drainage plan drainage well pit impervious curtain,drainage ditch drainage well on seepage field.

用有限元法结合英布鲁水电枢纽工程，对降水方案选择、基坑防渗帷幕、排水沟、排水井对基坑渗流场的影响进行了研究。

The FEM has been used to analyze the coupling seepage field and stress field under different water pressures based on the drainage tunnel project crossing the Yangtze River at the downtown of Chongqing city. The segment's stress distribution, displacements and pore pressure distributions are calculated.

结合重庆主排水过江盾构隧道的修建，针对不同水压情况下的盾构隧道，采用有限元法对围岩及结构的渗流场和应力场进行耦合分析，获得施工期管片应力、位移及孔隙水压力分布。

The different locations of driving tips on the horn caused different elliptical trajectories, and how variation influence on motor mechanical output is studied through FEM method. The motor got best performance when positioning driving tips on antinodes of the bending wave.

用有限元法研究了不同形态的椭圆振动轨迹对电机输出性能的影响，发现当驱动足位于弯曲驻波波腹处电机性能最稳定。

The numerical analysis method of temperature field in rare earth electrolysis cell of fluoride system was studied in this paper.

研究了氟化体系稀土电解槽温度场问题的数值模拟分析方法，采用有限元法计算了新的电解槽温度场，其分析结果，为新槽体的开发设计提供了参考依据。

Study on temperature field in rare earth electrolysis cell by finite element method;2. The numerical analysis method of temperature field in rare earth electrolysis cell of fluoride system was studied in this paper.

研究了氟化体系稀土电解槽温度场问题的数值模拟分析方法，采用有限元法计算了新的电解槽温度场，其分析结果，为新槽体的开发设计提供了参考依据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。