cyclic load

简明释义

周期性负载

英英释义

例句

1.The bridge was designed to withstand a significant amount of 循环载荷 due to traffic.

这座桥的设计考虑了由于交通造成的显著循环载荷。

2.The fatigue life of the component is significantly affected by the magnitude of the 循环载荷 applied.

组件的疲劳寿命受到施加的循环载荷大小的显著影响。

3.The testing procedure included applying 循环载荷 to simulate real-world conditions.

测试程序包括施加循环载荷以模拟现实条件。

4.In mechanical systems, 循环载荷 can lead to wear and tear over time.

在机械系统中，循环载荷会随着时间的推移导致磨损。

5.Engineers must account for 循环载荷 when analyzing the durability of materials used in construction.

工程师在分析建筑材料的耐久性时必须考虑循环载荷。

作文

Cyclic loading is a crucial concept in the field of engineering, particularly in materials science and structural analysis. It refers to the application of loads that vary in magnitude and direction over time, leading to repeated stress and strain on a material or structure. Understanding cyclic load (循环载荷) is essential for engineers to predict how materials will behave under different conditions and to design structures that can withstand such forces. In many real-world applications, structures are subjected to cyclic load (循环载荷) due to environmental factors such as wind, earthquakes, and traffic. For example, bridges experience repetitive loading from vehicles passing over them, which creates a cyclic load (循环载荷) situation. Similarly, aircraft wings endure fluctuating aerodynamic forces during flight, resulting in a cyclic load (循环载荷) that must be carefully analyzed to ensure safety and durability.The effects of cyclic load (循环载荷) can lead to various phenomena such as fatigue, which is the weakening of a material caused by repeated loading and unloading. Fatigue can result in cracks and eventual failure of a structure, making it imperative for engineers to consider cyclic load (循环载荷) when designing components. Engineers often use S-N curves, which plot stress against the number of cycles to failure, to assess the fatigue life of materials under cyclic load (循环载荷).Moreover, the study of cyclic load (循环载荷) extends beyond traditional materials like metals and concrete. Composites and polymers also exhibit unique behaviors when subjected to cyclic load (循环载荷). For instance, certain polymers may show viscoelastic properties that allow them to absorb energy and dissipate stress over time, making them suitable for applications where cyclic load (循环载荷) is prevalent.To effectively manage cyclic load (循环载荷), engineers employ various design strategies. One common approach is to incorporate safety factors into designs, ensuring that structures can handle unexpected loads beyond the anticipated cyclic load (循环载荷). Additionally, regular maintenance and inspections are vital to identify any signs of fatigue or damage caused by cyclic load (循环载荷).In conclusion, the understanding of cyclic load (循环载荷) is fundamental for engineers tasked with designing safe and reliable structures. By analyzing how materials respond to repeated loading, engineers can create designs that not only meet performance requirements but also ensure longevity and safety. As technology advances and new materials are developed, the study of cyclic load (循环载荷) will continue to evolve, providing engineers with the tools needed to tackle increasingly complex challenges in the built environment.

循环载荷是工程领域，特别是材料科学和结构分析中的一个重要概念。它指的是随时间变化的负载，这些负载在大小和方向上变化，导致材料或结构上重复的应力和应变。理解循环载荷对于工程师预测材料在不同条件下的行为以及设计能够承受这些力量的结构至关重要。在许多现实应用中，由于环境因素如风、地震和交通，结构会受到循环载荷的影响。例如，桥梁因车辆通过而经历重复加载，从而形成循环载荷的情况。类似地，飞机机翼在飞行过程中承受不断波动的空气动力学力量，导致必须仔细分析的循环载荷以确保安全和耐久性。循环载荷的影响可能导致各种现象，如疲劳，即由于重复加载和卸载而导致的材料弱化。疲劳可能导致裂纹和结构的最终失效，因此工程师在设计组件时必须考虑循环载荷。工程师通常使用S-N曲线，绘制应力与疲劳破坏循环次数的关系，以评估材料在循环载荷下的疲劳寿命。此外，循环载荷的研究不仅限于传统材料如金属和混凝土。复合材料和聚合物在受到循环载荷时也表现出独特的行为。例如，某些聚合物可能显示出粘弹性特性，使它们能够吸收能量并随着时间的推移耗散应力，这使它们适合于循环载荷普遍存在的应用。为了有效管理循环载荷，工程师采用各种设计策略。一种常见的方法是在设计中加入安全系数，确保结构能够处理超出预期循环载荷的意外负载。此外，定期维护和检查对于识别由循环载荷引起的任何疲劳或损伤迹象至关重要。总之，理解循环载荷对负责设计安全可靠结构的工程师来说是基础性的。通过分析材料如何响应重复加载，工程师可以创建不仅符合性能要求，而且确保长寿命和安全的设计。随着技术的发展和新材料的开发，循环载荷的研究将继续发展，为工程师提供解决建筑环境中日益复杂挑战所需的工具。