torsional stress

简明释义

扭应力

英英释义

例句

1.The shaft of the motor experienced excessive torsional stress 扭转应力, leading to a failure in performance.

电机的轴承受了过大的扭转应力，导致性能下降。

2.In mechanical systems, torsional stress 扭转应力 can cause fatigue and eventual failure of components.

在机械系统中，扭转应力可能导致部件疲劳和最终失效。

3.The analysis showed that the beam was subjected to significant torsional stress 扭转应力 during operation.

分析显示，在操作过程中，梁承受了显著的扭转应力。

4.To prevent torsional stress 扭转应力, the design included reinforcements at critical points.

为了防止扭转应力，设计在关键点增加了加固。

5.When designing a bridge, engineers must consider the effects of torsional stress 扭转应力 on the structural integrity.

在设计桥梁时，工程师必须考虑扭转应力对结构完整性的影响。

作文

Torsional stress is a critical concept in the field of engineering and materials science. It refers to the stress that occurs when an object is twisted about its longitudinal axis. This type of stress can have significant implications for the design and functionality of various structures and components. Understanding torsional stress (扭转应力) is essential for engineers who are tasked with ensuring the safety and reliability of their designs.When a cylindrical object, such as a shaft or beam, is subjected to a torque, it experiences torsional stress (扭转应力). The amount of stress depends on several factors, including the material properties, the geometry of the object, and the magnitude of the applied torque. For instance, a thicker shaft will generally be able to withstand greater torsional stress (扭转应力) than a thinner one, all else being equal. Similarly, materials with higher shear strength will perform better under torsional loads.The calculation of torsional stress (扭转应力) can be done using the formula: τ = T / J, where τ is the shear stress, T is the torque applied, and J is the polar moment of inertia of the cross-section. This relationship highlights the importance of both the applied torque and the object's geometry in determining the level of stress experienced. Engineers must carefully consider these factors during the design phase to prevent failure due to excessive torsional stress (扭转应力).In practical applications, torsional stress (扭转应力) is particularly relevant in rotating machinery, such as motors and turbines. These components often experience significant twisting forces during operation, which can lead to fatigue and eventual failure if not properly accounted for. Engineers use various techniques, such as finite element analysis, to simulate and analyze torsional stress (扭转应力) in complex systems, allowing them to predict potential failure points and optimize their designs accordingly.Moreover, understanding torsional stress (扭转应力) is not limited to mechanical components. It also plays a crucial role in civil engineering, especially in the design of bridges and buildings. Structures must be able to withstand not only vertical loads but also lateral forces that can induce twisting. For example, during an earthquake, buildings may experience torsional movements that can lead to catastrophic failures if the torsional stress (扭转应力) is not adequately managed.In conclusion, torsional stress (扭转应力) is a fundamental aspect of engineering that influences the design and safety of a wide range of structures and components. By understanding the mechanics behind torsional stress (扭转应力) and applying appropriate design principles, engineers can create safer and more efficient systems. As technology continues to advance, the importance of accurately predicting and managing torsional stress (扭转应力) will only increase, making it a vital area of study and application in engineering disciplines.