torsional deflection

简明释义

扭挠扭转变形

英英释义

例句

1.The torsional deflection of the shaft was measured during the testing phase.

在测试阶段测量了轴的扭转变形。

2.Excessive torsional deflection can lead to structural failure in bridges.

过度的扭转变形可能导致桥梁的结构失效。

3.The engineer calculated the torsional deflection to ensure the beam would not twist under load.

工程师计算了扭转变形以确保梁在负载下不会扭曲。

4.He used a finite element analysis to predict the torsional deflection of the frame.

他使用有限元分析来预测框架的扭转变形。

5.In machinery design, minimizing torsional deflection is critical for performance.

在机械设计中，最小化扭转变形对性能至关重要。

作文

In the field of engineering, understanding the concept of torsional deflection is crucial for designing structures and mechanical components that can withstand twisting forces. torsional deflection (扭转变形) refers to the angular displacement experienced by an object when subjected to a torque or twisting moment. This phenomenon is particularly important in applications such as shafts, beams, and various structural elements where rotational forces are present. When a material is twisted, it does not only experience shear stresses but also undergoes a change in shape, which can lead to failure if not properly accounted for. Engineers must carefully analyze the torsional deflection (扭转变形) to ensure that the design will perform adequately under expected loads without exceeding material limits. For instance, consider a cylindrical shaft used in machinery. When a torque is applied to this shaft, it will twist along its length, resulting in a measurable torsional deflection (扭转变形). The amount of deflection depends on several factors, including the material properties of the shaft, its geometric dimensions, and the magnitude of the applied torque. To calculate torsional deflection (扭转变形), engineers often use formulas derived from the theory of elasticity. One common formula involves the polar moment of inertia and the length of the shaft, allowing for precise predictions of how much the shaft will twist under a given load. Understanding these calculations is essential for ensuring the safety and functionality of mechanical systems. Moreover, excessive torsional deflection (扭转变形) can lead to undesirable effects such as vibration, noise, and even catastrophic failure. For example, in automotive applications, the drive shafts must be designed to minimize torsional deflection (扭转变形) to maintain efficient power transfer from the engine to the wheels. If the drive shaft twists too much, it can cause misalignment, leading to increased wear on components and potential breakdowns. In addition to mechanical systems, torsional deflection (扭转变形) is also relevant in civil engineering. When designing bridges or buildings, engineers must consider how wind loads or seismic activities can induce twisting forces. The structures must be designed to accommodate these forces without experiencing excessive deflection, which could compromise their integrity. In conclusion, the concept of torsional deflection (扭转变形) plays a vital role in various engineering disciplines. It is essential for ensuring that structures and mechanical components can withstand the twisting forces they encounter in real-world applications. By understanding and calculating torsional deflection (扭转变形), engineers can create safer and more effective designs that meet the demands of their specific fields. As technology advances, the methods for analyzing and mitigating torsional deflection (扭转变形) will continue to evolve, further enhancing the performance and reliability of engineered systems.

在工程领域，理解torsional deflection（扭转变形）的概念对于设计能够承受扭转力的结构和机械部件至关重要。torsional deflection（扭转变形）是指物体在施加扭矩或扭转力矩时所经历的角位移。这一现象在轴、梁以及各种存在旋转力的结构元素的应用中尤为重要。当材料被扭转时，它不仅会经历剪切应力，还会发生形状变化，如果不加以考虑，可能导致失效。工程师必须仔细分析torsional deflection（扭转变形），以确保设计在预期负载下能够正常工作而不超过材料极限。例如，考虑一个用于机械的圆柱形轴。当对该轴施加扭矩时，它将在其长度上扭转，从而导致可测量的torsional deflection（扭转变形）。变形的大小取决于多个因素，包括轴的材料特性、几何尺寸以及施加的扭矩的大小。为了计算torsional deflection（扭转变形），工程师通常使用源自弹性理论的公式。一个常见的公式涉及极惯性矩和轴的长度，可以精确预测在给定负载下轴将扭转多少。理解这些计算对于确保机械系统的安全性和功能性至关重要。此外，过度的torsional deflection（扭转变形）可能会导致不良后果，例如振动、噪音甚至灾难性故障。例如，在汽车应用中，驱动轴必须设计成最小化torsional deflection（扭转变形），以保持从发动机到车轮的有效动力传输。如果驱动轴扭转过多，可能会导致不对中，从而增加部件磨损并可能导致故障。除了机械系统，torsional deflection（扭转变形）在土木工程中也很相关。在设计桥梁或建筑物时，工程师必须考虑风载荷或地震活动如何引发扭转力。结构必须设计成能够适应这些力，而不会经历过度的变形，这可能会危及其完整性。总之，torsional deflection（扭转变形）的概念在各个工程学科中发挥着至关重要的作用。它对于确保结构和机械部件能够承受它们在现实应用中遇到的扭转力至关重要。通过理解和计算torsional deflection（扭转变形），工程师可以创建更安全、更有效的设计，以满足其特定领域的需求。随着技术的发展，分析和减轻torsional deflection（扭转变形）的方法将继续演变，进一步增强工程系统的性能和可靠性。