area of stress concentration

简明释义

应力集中区

英英释义

例句

1.During the inspection, we found an unexpected area of stress concentration 应力集中区域 on the beam.

在检查过程中，我们发现梁上有一个意外的应力集中区域.

2.The design of the bridge must account for the area of stress concentration 应力集中区域 at the joints.

桥梁的设计必须考虑到接头处的应力集中区域.

3.The bolts were placed in a way that minimized the area of stress concentration 应力集中区域.

螺栓的放置方式尽量减少了应力集中区域.

4.In metal fatigue analysis, the area of stress concentration 应力集中区域 is critical for predicting failure.

在金属疲劳分析中，应力集中区域对预测失效至关重要.

5.Engineers used simulations to identify the area of stress concentration 应力集中区域 in the new aircraft wing.

工程师使用模拟来识别新型飞机机翼中的应力集中区域.

作文

In the field of engineering and materials science, understanding the concept of area of stress concentration is crucial for ensuring the integrity and safety of structures. The area of stress concentration refers to specific regions in a material where stress is significantly higher than the surrounding areas due to geometric discontinuities or external loads. These areas can lead to premature failure if not properly accounted for during the design phase. For instance, consider a bridge made of steel. The joints where beams connect often create an area of stress concentration because of the abrupt change in geometry. When the bridge experiences loads from vehicles, these joints may endure higher stress levels compared to other parts of the structure. Engineers must analyze these points carefully to prevent structural failure. Another common example is the use of holes in mechanical components. A circular hole in a flat plate creates an area of stress concentration around its edges. This is because the material around the hole experiences increased stress as it tries to distribute the load. If the stress exceeds the material's strength, cracks may initiate at these points, leading to catastrophic failures. Therefore, it is essential for engineers to employ techniques such as filleting or using reinforcing materials to reduce the effects of the area of stress concentration. Moreover, numerical methods like Finite Element Analysis (FEA) are often employed to predict the behavior of materials under various loading conditions. FEA allows engineers to visualize the distribution of stress within a component and identify potential areas of stress concentration. By doing so, they can make informed decisions about material selection, thickness, and reinforcement strategies to mitigate risks associated with these critical areas. In conclusion, the area of stress concentration is a vital concept in engineering that must be understood and addressed to ensure the reliability of structures and components. Through careful design, analysis, and implementation of mitigating strategies, engineers can effectively manage the risks associated with these high-stress regions, ultimately contributing to safer and more durable engineering solutions.

在工程和材料科学领域，理解“应力集中区域”的概念对于确保结构的完整性和安全性至关重要。“应力集中区域”是指由于几何不连续性或外部载荷而导致材料中特定区域的应力显著高于周围区域的情况。如果在设计阶段未能妥善考虑这些区域，可能会导致提前失效。例如，考虑一座由钢材制成的桥梁。梁连接处的接头往往会形成一个“应力集中区域”，因为几何形状的突然变化。当桥梁承受来自车辆的载荷时，这些接头可能承受比结构其他部分更高的应力。工程师必须仔细分析这些点，以防止结构失效。另一个常见的例子是机械部件中使用孔的情况。在平板上的圆形孔周围会形成一个“应力集中区域”。这是因为孔周围的材料在试图分配载荷时经历了增加的应力。如果应力超过材料的强度，裂纹可能会在这些点上产生，导致灾难性的故障。因此，工程师必须采用如倒角或使用增强材料等技术来减少“应力集中区域”的影响。此外，数值方法如有限元分析（FEA）通常被用来预测材料在各种加载条件下的行为。有限元分析使工程师能够可视化组件内的应力分布，并识别潜在的“应力集中区域”。通过这样做，他们可以就材料选择、厚度和加固策略做出明智的决策，以减轻与这些关键区域相关的风险。总之，“应力集中区域”是工程中一个至关重要的概念，必须理解并加以解决，以确保结构和组件的可靠性。通过仔细的设计、分析和实施缓解策略，工程师可以有效管理与这些高应力区域相关的风险，从而最终为更安全、更耐用的工程解决方案做出贡献。