torsional stress

简明释义

扭转应力

英英释义

例句

1.The engineer calculated the torsional stress 扭转应力 on the shaft to ensure it could withstand the applied loads.

工程师计算了轴上的torsional stress 扭转应力，以确保它能够承受施加的载荷。

2.Excessive torsional stress 扭转应力 can lead to failure in mechanical components.

过度的torsional stress 扭转应力可能导致机械部件失效。

3.In the design phase, we must consider the torsional stress 扭转应力 that will occur during operation.

在设计阶段，我们必须考虑在操作过程中会发生的torsional stress 扭转应力。

4.The testing lab measured the torsional stress 扭转应力 on the prototype to ensure its reliability.

测试实验室测量了原型的torsional stress 扭转应力以确保其可靠性。

5.The material used must have a high tolerance for torsional stress 扭转应力 to prevent deformation.

所使用的材料必须具有较高的耐torsional stress 扭转应力的能力，以防止变形。

作文

Torsional stress is a crucial concept in the field of engineering and materials science. It refers to the internal stress experienced by a material when it is subjected to twisting or rotational forces. This type of stress can lead to significant deformation and failure if not properly accounted for in design. Understanding torsional stress (扭转应力) is essential for engineers, especially when designing components such as shafts, beams, and other structures that will experience rotational loads.When a cylindrical object, like a shaft, is twisted, the material experiences shear stress along its length. The amount of torsional stress (扭转应力) generated depends on several factors, including the magnitude of the applied torque, the geometry of the object, and the material properties. For instance, a thicker shaft will generally withstand higher torsional stress (扭转应力) compared to a thinner one, due to its greater polar moment of inertia.In practical applications, engineers must calculate the expected torsional stress (扭转应力) to ensure that the materials used can handle the forces without failing. This involves using formulas derived from mechanics of materials, such as the torsion formula: τ = T*r/J, where τ is the shear stress, T is the torque, r is the radius, and J is the polar moment of inertia. By applying this formula, engineers can predict how much torsional stress (扭转应力) a component will experience under specific loading conditions.One common scenario where torsional stress (扭转应力) is a concern is in the automotive industry. Drive shafts, which transfer power from the engine to the wheels, are subjected to significant twisting forces during operation. If the torsional stress (扭转应力) exceeds the material's yield strength, the shaft can fail, leading to catastrophic consequences. Therefore, manufacturers conduct extensive testing and simulations to ensure that their designs can withstand these stresses.Another example is in structural engineering, where beams may be subjected to twisting loads. In these cases, the torsional stress (扭转应力) can cause warping or buckling, compromising the integrity of the structure. Engineers use various methods, such as adding stiffeners or selecting materials with higher torsional strength, to mitigate these risks.In summary, torsional stress (扭转应力) is an important factor that engineers must consider in their designs to prevent failure and ensure safety. By understanding the principles behind torsional stress (扭转应力) and applying appropriate calculations and design strategies, engineers can create reliable and efficient structures and components. As technology advances, the study of torsional stress (扭转应力) will continue to evolve, leading to even more innovative solutions in the field of engineering.

扭转应力是工程和材料科学领域中的一个重要概念。它指的是材料在受到扭转或旋转力时所经历的内部应力。如果在设计中没有正确考虑这种应力，可能会导致显著的变形和失效。理解扭转应力（torsional stress）对于工程师来说至关重要，尤其是在设计如轴、梁和其他将承受旋转负荷的结构时。当一个圆柱形物体，如轴，被扭转时，材料沿其长度经历剪切应力。产生的扭转应力（torsional stress）取决于几个因素，包括施加的扭矩大小、物体的几何形状以及材料的性质。例如，与较细的轴相比，较厚的轴通常能够承受更高的扭转应力（torsional stress），因为它具有更大的极惯性矩。在实际应用中，工程师必须计算预期的扭转应力（torsional stress），以确保所用材料能够承受这些力量而不发生失效。这涉及使用源自材料力学的公式，例如扭转公式：τ = T*r/J，其中τ是剪切应力，T是扭矩，r是半径，J是极惯性矩。通过应用此公式，工程师可以预测在特定加载条件下组件将经历多少扭转应力（torsional stress）。一个常见的场景是汽车工业，传动轴在操作过程中会受到显著的扭转力。如果扭转应力（torsional stress）超过材料的屈服强度，轴可能会失效，导致灾难性后果。因此，制造商会进行广泛的测试和模拟，以确保他们的设计能够承受这些应力。另一个例子是在结构工程中，梁可能会受到扭转载荷。在这些情况下，扭转应力（torsional stress）可能导致翘曲或屈曲，从而危及结构的完整性。工程师使用各种方法，例如增加加强筋或选择具有更高扭转强度的材料，来减轻这些风险。总之，扭转应力（torsional stress）是工程师在设计中必须考虑的重要因素，以防止失效并确保安全。通过理解扭转应力（torsional stress）背后的原理并应用适当的计算和设计策略，工程师可以创建可靠和高效的结构和组件。随着技术的发展，扭转应力（torsional stress）的研究将继续发展，从而在工程领域带来更具创新性的解决方案。