torsional deflection

简明释义

扭挠

英英释义

例句

1.The design of the shaft took into account the expected torsional deflection 扭转变形 under load.

轴的设计考虑了在负载下预期的torsional deflection 扭转变形。

2.To optimize performance, the team minimized torsional deflection 扭转变形 in their new product design.

为了优化性能，团队在新产品设计中最小化了torsional deflection 扭转变形。

3.In rotating machinery, excessive torsional deflection 扭转变形 can cause misalignment and wear.

在旋转机械中，过度的torsional deflection 扭转变形可能导致失调和磨损。

4.The engineer calculated the torsional deflection 扭转变形 of the beam to ensure it would not exceed safety limits.

工程师计算了梁的torsional deflection 扭转变形，以确保不会超过安全限制。

5.High levels of torsional deflection 扭转变形 can lead to structural failure in bridges.

高水平的torsional deflection 扭转变形可能导致桥梁结构失效。

作文

In the field of engineering, understanding the behavior of materials under various forces is crucial. One important aspect that engineers must consider is torsional deflection, which refers to the twisting of an object when it is subjected to a torque. This phenomenon can significantly affect the performance and safety of structures and mechanical components. For instance, in the design of shafts used in machinery, engineers need to calculate the torsional deflection to ensure that the shaft can withstand the applied loads without excessive twisting. If the torsional deflection exceeds the allowable limits, it could lead to material failure or malfunction of the equipment.When a shaft experiences torque, it undergoes a change in angle between its ends, which is known as torsional deflection. The amount of deflection depends on several factors, including the material properties of the shaft, its length, and its cross-sectional area. Engineers often use formulas derived from mechanics of materials to predict the torsional deflection. For example, a common formula used is:\[ \theta = \frac{TL}{GJ} \]Where \( \theta \) is the angle of twist in radians, \( T \) is the applied torque, \( L \) is the length of the shaft, \( G \) is the shear modulus of the material, and \( J \) is the polar moment of inertia of the shaft's cross-section. By utilizing this formula, engineers can design shafts that minimize torsional deflection and ensure that they operate efficiently under load.Moreover, torsional deflection is not only relevant for shafts but also for other structural elements such as beams and frames. In civil engineering, for instance, the torsional deflection of beams can impact the overall stability of a building. When designing a structure, engineers must account for the potential twisting of beams under lateral loads, such as wind or seismic activity. Failure to consider torsional deflection in these scenarios can lead to catastrophic structural failures.In addition to traditional applications, torsional deflection also plays a crucial role in modern technologies, such as automotive engineering and aerospace design. In vehicles, the drive shafts must be designed to handle high levels of torque without excessive torsional deflection, which could result in vibrations and wear over time. Similarly, in aerospace applications, components like wings and fuselages are analyzed for torsional deflection to ensure they can withstand aerodynamic forces during flight.In conclusion, torsional deflection is a vital concept in engineering that affects the design and performance of various structures and components. By understanding and calculating torsional deflection, engineers can create safer and more efficient systems that meet the demands of their applications. As technology continues to advance, the importance of accurately predicting and managing torsional deflection will only grow, making it an essential area of study for future engineers.

在工程领域，理解材料在各种力作用下的行为至关重要。工程师必须考虑的一个重要方面是扭转变形，它指的是当物体受到扭矩时的扭转现象。这种现象会显著影响结构和机械部件的性能和安全性。例如，在机械中使用的轴的设计中，工程师需要计算扭转变形，以确保轴能够承受施加的负载而不会过度扭转。如果扭转变形超过允许的极限，可能会导致材料失效或设备故障。当轴经历扭矩时，它会在其两端之间发生角度变化，这称为扭转变形。变形的量取决于几个因素，包括轴的材料特性、长度和横截面积。工程师通常使用从材料力学中衍生出的公式来预测扭转变形。例如，一个常用的公式是：\[ \theta = \frac{TL}{GJ} \]其中\( \theta \)是扭转角（弧度），\( T \)是施加的扭矩，\( L \)是轴的长度，\( G \)是材料的剪切模量，\( J \)是轴横截面的极惯性矩。通过利用这个公式，工程师可以设计出最小化扭转变形的轴，确保它们在负载下高效运行。此外，扭转变形不仅与轴相关，还与其他结构元素如梁和框架有关。在土木工程中，例如，梁的扭转变形会影响建筑的整体稳定性。在设计结构时，工程师必须考虑到梁在侧向载荷（如风或地震活动）下的潜在扭转。如果未能考虑到这些情况的扭转变形，可能会导致灾难性的结构故障。除了传统应用外，扭转变形在现代技术中也发挥着至关重要的作用，例如汽车工程和航空航天设计。在车辆中，传动轴的设计必须能够处理高水平的扭矩，而不会出现过度的扭转变形，否则可能会导致振动和磨损。同样，在航空航天应用中，像机翼和机身这样的组件也会被分析其扭转变形，以确保它们能够承受飞行过程中的气动力。总之，扭转变形是工程中的一个重要概念，影响着各种结构和组件的设计和性能。通过理解和计算扭转变形，工程师可以创建更安全、更高效的系统，以满足其应用的需求。随着技术的不断进步，准确预测和管理扭转变形的重要性只会增加，使其成为未来工程师研究的一个基本领域。