查询词典 FEM

Since the boost pressure of a diesel engine is increased,the FEM analysis of the main bearing wall to evaluate the structural strength was conducted.

对某直列6缸柴油机提高增压压力后主轴承座的结构强度进行了有限元分析。

The temperature and stress in valve housing of medium cylinder in super critical steam turbine during cold start and under nominal load were calculated with FEM cord NASTRAN.

采用大型有限元分析软件NASTRAN，对超临界1000 MW汽轮机中压缸主汽阀阀壳的冷态启动过程和额定工况下的温度场和应力场进行计算，得到了冷启动过程中阀壳的温度和应力分布规律，并将冷启动结束时的计算结果同额定工况下的计算结果作一对比分析。

Based on the FEM,the calculation and analysis were performed for the transient temperature field s and stress fields of the intermediate pressure main steam valve housing under various operating conditions including cold startup,shutdown,strong hot startup,limit hot startup and accidental condition in 200MW unit in power station.

采用有限元方法，计算分析了电站200MW汽轮机中压主汽阀阀壳在冷启、停机、强热启动、极热启动以及事故等工况下的温度场和应力场，得出了阀壳裂纹区各工况下温度场和应力场的变化规律，提出了内壁裂纹区的周向应力是疲劳寿命计算的主要参考量。

Based on the FEM,the calculation and analysis were performed for the transient temperature fields and stress fields of the intermediate pressure main steam valve housing under various operating conditions including cold startup,shutdown,strong hot startup,limit hot startup and accidental condition in 200MW unit in power station.

采用有限元方法，计算分析了电站200MW汽轮机中压主汽阀阀壳在冷启、停机、强热启动、极热启动以及事故等工况下的温度场和应力场，得出了阀壳裂纹区各工况下温度场和应力场的变化规律，提出了内壁裂纹区的周向应力是疲劳寿命计算的主要参考量。

A large 3D numerical model of forked tunnel is set up and different construction processes are simulated by D-FEM. Through analyzing displacement, stress and damage yield zone of tunnel surrounding, the optimum construction process that left tunnel excavates ahead of right tunnel 32 m is determined, left tunnel and right tunnel excavate synchronously is proposed.

建立了分岔隧道大型三维数值模型，采用弹塑性损伤有限元D-FEM模拟了分岔隧道不同的施工过程，通过分析施工过程中隧道围岩的位移、应力和损伤屈服区，最终确定采用左洞超前右洞32m，左右洞同步开挖的施工方法。

Based on both geometry and material nonlinearity, new FEM refering "tube to tube" contact based on beam and truss elements, is employed to shape prediction.

考虑了几何非线性和材料非线性，将&管—管&接触算法应用于梁、杆单元组成的结构模型中，与传统建模和分析方法相比，成形预测精度大幅度提高。

After being analyzed with FEM, impedance tube method was introduced to measure sound transmission loss of glass.

在有限元分析基础上，采用了驻波管法对小样品玻璃进行隔声量测量。

For this purpose,the traveling mechanism of the billet transporting car is reformed in the study,and FEM is used for analyzing the parts strength of the traveling mechanism and the roller track.

对板坯横移车行走机构部分作了技术改造，并对其运输辊道的有关零件进行了有限元分析。

According to the practical characteristics and parameters during hot finishing rolling process of aluminium alloy JP1235, a three-dimensional thermo-mechanical coupled elastic-plastic FEM model was established with the software Marc. And this model was used to simulate the rolling state of F1 stand without back tension. The lateral distribution of rolling force、contact friction force and other mechanic parameters were calculated. Meanwhile, simulated the rolling state considering the influence of mill tilt, and studied the distribution of the mechanics under this state, discussed the effect of mill tile on mechanic parameters and strip steering, which can provide some reference to steering control strategy.

根据JP1235铝合金板带热精轧过程的实际工艺特点和工艺参数，采用非线性有限元软件Marc，建立一个三维热力耦合弹塑性有限元模型，模拟了精轧机组第一机架（F1机架）失去后张力作用后的轧制状态，计算出轧制过程中轧制力、摩擦力等力能参数沿板宽方向上的分布情况，在此基础上，模拟初始轧辊倾斜影响下的轧制状态，并对该轧制状态下的力能参数分布情况进行研究，探讨轧辊倾斜对力能参数分布及跑偏规律的影响，为纠偏控制提供了一定的理论依据。

The elastic deformations of mirror surfaces from three-faced to eight-faced rotating aluminous mirrors were analyzed by 3-D FEM.

分析了从三面体到八面体铝合金转镜镜面变形规律。

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。"