buckling hypothesis

简明释义

1. 挠曲说; 2. 弯曲说;

英英释义

例句

1.To validate the buckling hypothesis, the team conducted a series of tests on the material samples.

为了验证屈曲假设，团队对材料样本进行了系列测试。

2.The research paper discusses the implications of the buckling hypothesis in modern architectural design.

这篇研究论文讨论了屈曲假设在现代建筑设计中的影响。

3.The buckling hypothesis provides a framework for understanding how beams behave under load.

屈曲假设为理解梁在载荷下的行为提供了框架。

4.The engineer based his design on the buckling hypothesis, which suggests that certain structures can fail under compressive loads.

工程师的设计基于屈曲假设，该假设表明某些结构在压缩载荷下可能会失效。

5.According to the buckling hypothesis, slender columns are particularly susceptible to instability.

根据屈曲假设，细长柱特别容易出现不稳定性。

作文

The study of structural stability is a crucial aspect of engineering, particularly in fields such as civil and mechanical engineering. One of the fundamental concepts within this domain is the buckling hypothesis, which refers to the phenomenon where a structural element, such as a column or beam, fails due to instability rather than material failure. This occurs when the compressive stress in the element exceeds a certain critical value, leading to sudden lateral deflection and potential collapse. Understanding the buckling hypothesis is essential for engineers to design safe and efficient structures.The buckling hypothesis is based on the principles of elasticity and stability. When a slender structural member is subjected to axial loads, it can withstand a certain amount of compression without deforming. However, as the load increases, the member may reach a point where it can no longer maintain its straight configuration. This is where the concept of critical buckling load comes into play. The critical load is a specific threshold at which the member will buckle, and it is influenced by factors such as the member's length, cross-sectional shape, and material properties.To illustrate the importance of the buckling hypothesis, consider the design of tall buildings. Engineers must account for the possibility of buckling in columns that support the weight of the structure. If these columns are not adequately designed to handle the compressive forces, they may buckle under load, leading to catastrophic failure. Therefore, the buckling hypothesis plays a vital role in ensuring that buildings are both stable and safe.In addition to buildings, the buckling hypothesis is also relevant in various applications, including bridges, aircraft wings, and offshore platforms. Each of these structures experiences different loading conditions, and understanding how buckling can occur helps engineers create designs that mitigate the risk of failure. For instance, in aerospace engineering, the wings of an aircraft must be carefully designed to prevent buckling during flight, especially under high-stress conditions such as turbulence.Moreover, advancements in materials science have led to the development of new materials that can better withstand buckling. Composite materials, for example, offer high strength-to-weight ratios and can be engineered to resist buckling more effectively than traditional materials like steel or concrete. By incorporating the buckling hypothesis into the design process, engineers can leverage these new materials to create innovative solutions that enhance structural performance.In conclusion, the buckling hypothesis is a fundamental concept in structural engineering that highlights the importance of stability in design. It serves as a reminder that structures must not only be strong but also stable under various loading conditions. By understanding and applying the principles of the buckling hypothesis, engineers can ensure the safety and longevity of their designs, ultimately contributing to the advancement of infrastructure and technology in our modern world.

结构稳定性的研究是工程学中的一个关键方面，特别是在土木工程和机械工程等领域。这个领域中的一个基本概念是屈曲假说，它指的是当结构元素（如柱子或梁）由于不稳定而失效的现象，而不是材料失效。当元素中施加的压应力超过某个临界值时，就会发生这种情况，导致突然的侧向偏转和潜在的倒塌。理解屈曲假说对于工程师设计安全高效的结构至关重要。屈曲假说基于弹性和稳定性的原理。当一个细长的结构构件受到轴向载荷时，它可以在不变形的情况下承受一定量的压缩。然而，随着载荷的增加，构件可能会达到一个点，在这个点上它无法再保持其直线形状。这就是临界屈曲载荷概念发挥作用的地方。临界载荷是一个特定的阈值，在这个阈值下，构件将发生屈曲，它受到构件长度、横截面形状和材料特性等因素的影响。为了说明屈曲假说的重要性，可以考虑高层建筑的设计。工程师必须考虑支撑结构重量的柱子可能发生屈曲的可能性。如果这些柱子没有被充分设计以承受压缩力，它们可能在载荷下屈曲，从而导致灾难性的失败。因此，屈曲假说在确保建筑物既稳定又安全方面发挥着至关重要的作用。除了建筑物，屈曲假说在桥梁、飞机机翼和海上平台等各种应用中也具有相关性。这些结构每个都经历不同的加载条件，理解屈曲如何发生有助于工程师创建减轻故障风险的设计。例如，在航空工程中，飞机的机翼必须经过仔细设计，以防止在飞行过程中，尤其是在高应力条件下（如湍流）发生屈曲。此外，材料科学的进步导致了新材料的发展，这些材料能够更好地抵抗屈曲。例如，复合材料提供了高强度与重量比，并且可以被设计得比传统材料（如钢或混凝土）更有效地抵抗屈曲。通过将屈曲假说纳入设计过程，工程师可以利用这些新材料创造出增强结构性能的创新解决方案。总之，屈曲假说是结构工程中的一个基本概念，强调了设计中稳定性的重要性。它提醒我们，结构不仅要坚固，还要在各种加载条件下保持稳定。通过理解和应用屈曲假说的原理，工程师可以确保他们设计的安全性和耐久性，最终为我们现代世界基础设施和技术的发展做出贡献。