torsional stress
简明释义
扭应力
英英释义
Torsional stress is the stress that occurs in a material when it is subjected to twisting or rotational forces, causing shear deformation. | 扭转应力是指材料在受到扭转或旋转力作用时产生的应力,导致剪切变形。 |
例句
1.In a car's drive shaft, torsional stress 扭转应力 is critical for performance and durability.
在汽车的传动轴中,扭转应力对性能和耐用性至关重要。
2.The engineers calculated the amount of torsional stress 扭转应力 that the bridge would experience during high winds.
工程师计算了桥在强风中会经历的扭转应力。
3.During testing, the component showed signs of failure due to torsional stress 扭转应力 beyond its limits.
在测试过程中,该组件因超出极限的扭转应力而出现故障迹象。
4.The design team worked to minimize torsional stress 扭转应力 in the new aircraft wing.
设计团队努力减少新型飞机机翼中的扭转应力。
5.Excessive torsional stress 扭转应力 can lead to structural failure in rotating machinery.
过度的扭转应力可能导致旋转机械的结构失效。
作文
Understanding the concept of torsional stress is crucial in fields such as engineering and materials science. Torsional stress refers to the internal resistance of a material to twisting forces. When a torque is applied to an object, it experiences a twisting motion, which generates shear stress within the material. This phenomenon can be observed in various structures, from simple rods to complex mechanical components like shafts and beams. In engineering applications, understanding torsional stress is essential for ensuring that materials can withstand the forces they encounter during operation. For instance, when designing a drive shaft for a vehicle, engineers must calculate the expected torsional stress to ensure that the material selected can handle the twisting forces without yielding or fracturing. If the torsional stress exceeds the material's yield strength, the component may fail, leading to catastrophic results.One common example of torsional stress can be found in the design of bridges. Engineers must account for the twisting forces that occur due to wind loads or uneven weight distribution. By conducting thorough analyses, they can determine the maximum torsional stress that the bridge materials can endure, allowing them to choose appropriate materials and designs that enhance safety and durability.Moreover, torsional stress is not only relevant in large-scale constructions but also plays a significant role in everyday objects. For example, when using a screwdriver, the twisting motion applied to the handle creates torsional stress in the shaft. If the screwdriver is made from a material that cannot handle the torsional stress, it may bend or break, making it ineffective for its intended purpose.To analyze torsional stress, engineers often use mathematical models and simulations. These tools help predict how materials will behave under various loading conditions. By understanding the distribution of torsional stress within a component, engineers can optimize designs to minimize the risk of failure. This process involves selecting the right materials, shapes, and sizes to ensure that the component remains safe and functional throughout its service life.In conclusion, torsional stress is a fundamental concept that underscores the importance of materials science and engineering. Recognizing how materials respond to twisting forces is vital for creating safe and effective designs in various applications. Whether in large structures like bridges or small tools like screwdrivers, understanding torsional stress helps engineers make informed decisions that enhance performance and safety. As technology advances, the study of torsional stress will continue to evolve, leading to even more innovative solutions in engineering and materials science.
理解扭转应力的概念在工程和材料科学等领域至关重要。扭转应力是指材料对扭曲力的内部抵抗。当施加扭矩到物体时,它会经历一种扭转运动,从而在材料内部产生剪切应力。这种现象可以在各种结构中观察到,从简单的杆件到复杂的机械部件,如轴和梁。在工程应用中,理解扭转应力对于确保材料能够承受其在操作过程中遇到的力量至关重要。例如,在设计车辆的传动轴时,工程师必须计算预期的扭转应力,以确保所选材料能够承受扭曲力而不屈服或断裂。如果扭转应力超过材料的屈服强度,则组件可能会失效,导致灾难性后果。扭转应力的一个常见例子可以在桥梁设计中找到。工程师必须考虑由于风载荷或不均匀重量分布而发生的扭转力。通过进行全面分析,他们可以确定桥梁材料可以承受的最大扭转应力,从而选择合适的材料和设计,增强安全性和耐久性。此外,扭转应力不仅与大型建筑相关,还在日常物品中发挥着重要作用。例如,当使用螺丝刀时,施加在手柄上的扭转运动会在轴中产生扭转应力。如果螺丝刀由无法承受扭转应力的材料制成,它可能会弯曲或断裂,使其失去原有的功能。为了分析扭转应力,工程师通常使用数学模型和仿真工具。这些工具有助于预测材料在各种负载条件下的行为。通过了解组件内扭转应力的分布,工程师可以优化设计,以最小化失效的风险。这个过程涉及选择合适的材料、形状和尺寸,以确保组件在其服务寿命内保持安全和功能。总之,扭转应力是一个基本概念,强调了材料科学和工程的重要性。认识到材料如何响应扭曲力对于在各种应用中创建安全有效的设计至关重要。无论是在像桥梁这样的庞大结构中,还是在像螺丝刀这样的简单工具中,理解扭转应力帮助工程师做出明智的决策,从而提高性能和安全性。随着技术的进步,扭转应力的研究将继续发展,推动工程和材料科学中更具创新性的解决方案。
相关单词