数值分析

The calculation results show that, the predicted life of crack propagation is in good agreement with the experimental data, and the model is veracious and feasible.

采用边界元法建立了裂纹扩展分析模型，对FGH95粉末高温合金标准紧凑拉伸试样的裂纹扩展试验结果进行了数值模拟，计算结果与试验吻合很好，表明分析方法的准确性及可行性。

The electromagnetic torques of the motor by means of both methods,Maxwell's stress and virtual displacement methods,with straight and skewed slots are determined.

结合实测数据的验证，分析了有限元剖分形式对数值计算精度的影响；阐述了两种算法在永磁电机电磁转矩计算中各自所具有的特点，分析和比较了直槽与斜槽式电机的静转矩特性；讨论了样机定位转矩与转子位移的关系

To analyze the aerodynamics performance of a wind turbine blade, the viscous fluid 2-D calculating model is used. The characteristics of a wind turbine, a fluid pump, and a throttle are analyzed.

并在实验与数值计算的基础上，分析了风力机，流体升压泵，节流器的特性，还对联机构成风力致热系统时的性能匹配与变工况特性进行了分析研究。

METHODS: The shape of the human ankle plantar flexor muscle was estimated in vivo by CT, and the cross-sectional area of the muscle and the circumference of the lower leg could be calculated by Xiphoid CT software.

采用螺旋CT对受试对象双侧小腿进行不间断连续扫描，影像分析采用Xiphoid CT专用图像分析软件，由CT图像计算得出小腿围、踝关节跖屈肌横截面积，根据体视学原理采用数值积分法计算跖屈肌群体积。

Based on the geometric deformation, finite element and false structure methods,this paper analyses and deduces the calculating method for the critical strength of the strut -type axile pressure members.

本文利用几何变形协调、有限元和其轭法对具有撑杆轴压构件屈曲的数值计算方法进行了理论分析和推导。所建立的计算方法概念清楚，使用方便，这为进一步进行撑杆式预应力钢管混凝土轴压构件屈曲分析建立了理论依据

The three-dimensional model of control group was divided into compact bone and cancellated bone based on the gray value, while the experimental group was divided into the following kinds of 10, 20, 50, 100, 200, 400. All models were assigned with material attributes to be tested in Ansys.

对照组在Mimics10.0中根据灰度值将三维模型材料属性分为2种；试验组材料属性等分为10，20，50，100，200，400种后赋予材料属性，在Ansys中进行力学分析并采集三维模型全部单元力学测量数值；对分析数据进行统计学处理。

Through theoretical modelling and numerical simulation, the dynamic matching relationship is studied on two types of automatic action systems of caseless rifle s.

本文通过对无壳弹枪的两类自动机结构的理论建模和数值仿真，对这两类结构的动力学参数匹配关系进行了深入细致的分析研究，得出三发点射状态下自动机各参数变化对武器性能的影响规律，并对两类自动机进行了分析比

By comparing and analyzing, it is concluded that for simple and slow slope terrain, the change of wind speed around hill can be truly calculated by some experimental formula such as MSFD calculations. While for cliffy slope and complex terrain experimental formula cant calculate the wind speed truly, it is well to analyze the question by numerical simulation.

通过对比分析可得，对于简单的、坡度较小的地形，山丘周围的风速变化可以较准确的由一些经验公式，例如MSFD理论模型计算得出；而对于坡度较大的以及较复杂的地形，经验公式无法较准确地对风速做出估算，只能借助于数值模拟来分析。

Their load resistance behavior before and after applying FRP strengthening is investigated and analyzed by compositively using the methods of experiment, finite element numerical analogue and theoretical analysis.

本文将试验手段、有限元数值模拟方法和理论分析结合起来，对三组核心区配箍率不同的梁柱节点试件采用玻璃纤维片材加固，并对加固前后的承载性能进行了比较和分析。

The real-world joints in the aircraft structure usually consist of multi-row fasteners. This thesis builds the 3D FE contact analysis model of a typical aircraft joint with three-row countersunk screws, and studies pin-load distribution and stress characteristics under constant and varied cross-section thicknesses as well as with and without pre-tighten screw conditions for the joint. Many applied pin-load numerical distribution laws for different conditions in the joint are recognized.

本文对典型的多排沉头螺钉接头建立了三维有限元接触分析模型，对螺钉的钉载分布在截面等厚度和变厚度、无预紧力和加预紧力多种情况下进行了数值计算分析，给出了诸多实用化钉载分布规律。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。