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During the investigations, some basic research methods and theories such as mending the end section profile of the screw arbor gear applying the conjugate principle, the milling outline for the screw arbor profile cutter by kineto-synthesis method, establishing the dummy variable model of the screw arbor by the CAD method, the theory of the distributing of the fluid pressure on the screw, the precision analyzing and computing screw profile by the dummy model and FEM method are established.

在研究过程中确立了一些基本的研究方法和基本的理论。如应用共轭原理改进螺杆端截面齿曲线的、利用运动合成的方法研究螺杆成形铣刀廓型、应用计算机辅助设计的方法建立螺杆的虚拟模型、应用牛顿流体理论研究螺杆中的流体压力分布、应用有限元分析计算方法对螺杆做精确分析计算。

Although these parameters can be gained through solving sinusoidal electromagnetic field by FEM, the conversion of end resistance and reactance of damper winding is a tough problem.

当然应用似稳场的有限元分析也是可以确定出这种电机的瞬态和超瞬态电抗以及相应的时间常数。

In order to investigate the superplasticity of ceramic matrix laminated composite , the superplastic deep-drawing process was simulated by FEM.

为研究陶瓷基层状复合材料的超塑性能，对其超塑拉深成形过程进行了有限元模拟。

In order to investigate the superplasticity of ceramic matrix laminated composite, the superplastic deep-drawing process was simulated by FEM.

为研究陶瓷基层状复合材料的超塑性能，对其超塑拉深成形过程进行丫有限元模拟。

Based on the nonlinear FEM analysis and experiment verification, the calculation method for deflection of concrete beams reinforced with FRP rebars is studied.

本文基于本课题组与国外已有试验研究，根据纤维塑料筋混凝土梁的非线性有限元分析与试验结果的验证，对纤维塑料筋混凝土梁挠度的计算方法进行了较系统的研究。

The proposed method directly gets deflection and moment of beam structures at the same time, and overcomes the shortcoming of low accuracy in beam moment calculation of displacement FEM.

BSWI混合有限元法可同时直接求解梁结构的挠度和弯矩，克服了位移有限元法弯矩求解精度不高的缺点。

From FEM, the contact stress obeys the semi-ellipse distribution and the Mises stress and shear stress are also consistent with contact mechanics theory, but there exists offset or deflection in the symmetric lines of stress distribution, which originates from tooth bending deformation.

由有限元方法得到的渐开线轮齿的接触应力符合Hertz理论中的半椭圆分布规律，Mises应力和剪应力分布也符合接触力学理论，但应力分布的对称中心存在偏离或者偏斜现象，分析认为，是由于轮齿弯曲变形造成的。

A number of numerical examples and applications were presented to verify the proposed Bezier-Based Element Method. The engineering cases include: the belt die for diamond synthesize, the main frame of wire-rounded press, the oil cylinder of open die forging press. The numerical results show that the BBEM has some good performances. With few elements, the BBEM can lead to a high accuracy. If using same DOFs, the computing precision of BBEM is remarkable higher than that of the conventional FEM.

通过大量的数值算例来考证所构建的各种类型单元，并应用于人造金刚石年轮模具、钢丝缠绕预应力机架和液压机工作缸等实际问题的结构分析；结果表明：所构建的Bezier耦合单元具有描述较大梯度变化场（如位移场、应力应变场等）的能力，该方法不改变单元的大小和形状，保持单元的自由度数不变，而通过调节中间可动节点的位置改变单元内部的场分布，只需少量单元即可较精确地模拟较大的梯度变化；可为有效求解高梯度问题提供新思路，对实际工程应用具有重要意义。

Based on the characteristics of staged-construction of foundation pit and the interaction of diaphragm walls-bracing-soil, a FEM method is provided in this paper to analyze the moment and deformation of the diaphragm walls in whole process of foundation construction, taking consideration of all the possible construction stages from the beginning of excavation to the end of foundation, and the influence of cap beam, pre-load of steel bracing, removal and change of bracing, and the corresponding computer program is composed.

本文首先基于杆系有限元计算原理、基坑工程分工况施工以及围护体、支撑、土体协同工作的特点，提出了一种基坑支护结构全过程内力及变形分析方法，编制了相应的计算程序。该法可考虑第一阶段挖土至±0.000结构楼层施工结束期间的所有工况，可考虑压顶梁对围护体变形的制约作用，以及钢支撑预加轴力、拆撑、换撑等因素的影响。

Aim at the false-solutions(the meaning is the solutions do not satisfy the divergence theorem) of FEM, impose the magnetic divergence conditions

针对有限元数值解中存在的伪解问题(即求出的解不满足相应的散度条件)，推导出了强加散度条件的磁场有限元系数矩阵的表达式，本文混合法中的有限元系数矩阵即是在此基础上形成的。

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。"