模拟试验

With the hydraulic press as the actuator, we designed a computer analogue control system by closed-loop electro hydraulic proportional valve to the moving speed of sliding block of the hydraulic press, which lays a foundation for the further key parameter control.

以试验液压机作为执行机构，设计了对液压机速度进行控制的计算机模拟量闭环电液比例流量控制系统，为进一步实现液-固挤压复合材料关键参数的控制奠定了理论基础。

To discuss the rule of orientation sensitivity for propeller anemometer, wind tunnel experiment method and numerical simulation method are used to study the change rule of its measured values under different measuring angles.

中文摘要：为探讨叶轮式风速计的方向敏感性规律，采用风洞试验和数值模拟两种方法研究在不同测量角度下叶轮式风速计测量值的变化规律。

The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river ,digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide.

试验抓住造成滑坡的主要因素，根据所得的岩石力学参数及结构面参数，在几何条件、模型材料、结构面条件等方面都基本满足相似原理的情况下，对模型进行了河流下切、公路开挖等条件的模拟，测量观察边坡的卸荷回弹与层面的弯曲变形情况，利用所测数据分析论证滑坡的形成机制和影响因素。

It is shown that the simulation results of welding current, arc length and wire extension agree with the experimental results in fillet joints.

实际焊接试验显示，模拟焊接电流与实际焊接电流波形高度吻合，说明建立的数学模型是准确的。

Based on the Reynolds stress model CFD numerical simulation method, the experimental study of the inflow field and separation feature of nine forms of entrance structures of the oil-water separation hydrocyclone including vortex curved entrance and Archimedes spiral entrance is carried out and four kinds of ideal optimized entrance structures are obtained.

采用雷诺应力模型CFD数值模拟方法，对涡线形曲面入口、阿基米德螺旋线形入口等9种油水旋流分离器入口结构形式的内流场和分离特性进行了试验研究，得出比较理想的4种优化入口结构形式。

Based on the test and simulation, a new model to calculate earth pressure was set up through the analysis of soil arching.

在现场试验和数值模拟的基础上，利用土拱效应，建立一种计算埋管土压力的模型。

The autoxidation of and the corrosion inhibition by catalyzed sulfite in oxygen-containing water have been investigated.

采用模拟空气氧化法，腐蚀试验法和电化学法研究了催化亚硫酸盐在含氧水中的自动氧化及对20g钢的防腐蚀作用。

It is a axial symmetry problem with contact element.

采用上述方法模拟分析了现场静荷载试验桩。

The results of prediction agree well with the experimental ones. It proves that the thermo-mechanical analysis、the neural network models of flow stress and microstructure as well as the numerical simulation system developed combining coupled thermal-mechanical rigid-viscoplastic FEM with BP neural networks are reliable to describe the hot back extrusion process of Ti15-3 alloy truly. The simulation system has good prediction capacity for the microstructure evolution of Ti-15-3 alloy during hot backward extrusion and after solution treatment. It can be used to replace the experiments for predicting the flowing laws and the distribution of microstructure.

由此证明，本文的热力耦合理论分析、流变应力及显微组织的神经网络预测模型以及采用三维热力耦合刚粘塑性有限元与三层向后传播的人工神经网络相结合的方法开发的Ti-15-3合金筒形件热反挤成形的显微组织数值模拟系统是可靠的，能够真实地描述Ti-15-3合金热反挤工艺过程，并对其反挤成形及固溶处理后的显微组织具有很好的预测能力，可以被用来代替预测其反挤成形规律和组织分布情况的试验。

In order to improve the protection and maneuvering capability of armored vehicle, and reduce its weight, Using the 25mm ballistic curve canon and 105mm simulated Armor Piercing ammunition, influence of thickness, obliquity, and constraint condition of ceramic composite armor on the anti elastic performance was studied when subjected to the large inclination impact, DOP method was used to evaluate the anti elastic performance of composite armors.

胡丽萍，王智慧，侯圣英，郭领，王鹏中国兵器科学研究院宁波分院烟台事业部，山东烟台 264003 为了提高装甲车辆的防护和机动能力，减轻其自重，采用25 mm弹道炮和底推式105 mm穿甲模拟弹进行试验，研究大倾角陶瓷复合装甲结构单元中陶瓷的厚度、倾角、约束条件等因素对抗穿甲性能的影响规律。

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。