fixed end

简明释义

固定端

英英释义

例句

1.The artist used a fixed end to anchor the canvas while she painted.

艺术家在绘画时使用了一个固定端来固定画布。

2.The rope was secured to a tree, creating a strong tension with a fixed end.

这根绳子固定在树上，形成了一个强大的张力，绳子的固定端。

3.When setting up the tent, make sure to secure the guy lines to a fixed end.

搭建帐篷时，确保将支线固定在一个固定端上。

4.The bridge's support cables have a fixed end that stabilizes the structure.

桥梁的支撑缆索有一个固定端，用于稳定结构。

5.In this experiment, one side of the spring is attached to a fixed end to measure its elasticity.

在这个实验中，弹簧的一侧连接到一个固定端上，以测量其弹性。

作文

In the world of physics and engineering, the concept of a fixed end plays a crucial role in understanding how structures behave under different forces. A fixed end refers to a point in a structure that is securely anchored and cannot move. This is often seen in beams, where one end is rigidly connected to a wall or another structural element, preventing any rotation or translation at that point. Understanding the implications of a fixed end is essential for engineers when designing buildings, bridges, and other infrastructures to ensure stability and safety.When a beam has a fixed end, it experiences different types of stress compared to a simply supported beam. The fixed end creates a moment that must be accounted for in calculations. This moment arises because the beam is unable to rotate at the fixed end, which can lead to bending stresses that are critical to consider during the design phase. For instance, if a beam with a fixed end is subjected to a load, the distribution of forces along the length of the beam will vary significantly compared to a beam that is free to move at both ends.Moreover, the presence of a fixed end affects the deflection of the beam. Deflection is the degree to which a structural element deforms under a load. In beams with fixed ends, the deflection is typically less than that of simply supported beams because the fixed end provides additional support. This characteristic is particularly important in applications where maintaining the integrity of the structure is paramount.In practical applications, the concept of a fixed end is not limited to beams alone. It can also be seen in various mechanical systems, such as in the design of levers or in the attachment points of cables and ropes. For example, when a cable is anchored at one end, that end acts as a fixed end, allowing the other end to move freely. Understanding how forces interact at the fixed end can help in predicting the behavior of the entire system.Furthermore, the analysis of fixed ends is not only relevant in static scenarios but also in dynamic situations. In structures that experience vibrations, such as bridges or tall buildings, the fixed end can influence how the structure responds to oscillations. Engineers must carefully analyze these factors to prevent resonance, which could lead to catastrophic failures.In conclusion, the concept of a fixed end is fundamental in the fields of physics and engineering. It serves as a cornerstone for understanding how structures behave under various loads and conditions. Whether in the design of simple beams or complex mechanical systems, recognizing the importance of a fixed end allows engineers to create safe and efficient structures. As technology advances, the principles surrounding fixed ends will continue to evolve, providing new insights into the stability and performance of engineered systems.

在物理和工程的世界中，固定端的概念在理解结构在不同力作用下的行为方面起着至关重要的作用。固定端指的是结构中一个牢固锚定且无法移动的点。这通常出现在梁中，其中一端牢固地连接到墙壁或其他结构元件，防止该点的任何旋转或位移。理解固定端的含义对于工程师在设计建筑、桥梁和其他基础设施时确保稳定性和安全性至关重要。当一根梁有一个固定端时，与简单支撑梁相比，它会经历不同类型的应力。固定端产生的力矩必须在计算中考虑。这个力矩的产生是因为梁在固定端处无法旋转，这可能导致弯曲应力，这在设计阶段是至关重要的。例如，如果一根带有固定端的梁受到负载，沿梁长度的力分布将与两端自由移动的梁显著不同。此外，固定端的存在影响梁的挠度。挠度是指结构元件在负载下变形的程度。在具有固定端的梁中，挠度通常小于简单支撑梁，因为固定端提供了额外的支持。这一特性在需要保持结构完整性的应用中尤为重要。在实际应用中，固定端的概念不仅限于梁。它还可以在各种机械系统中看到，例如杠杆的设计或电缆和绳索的连接点。例如，当一根电缆在一端锚定时，该端作为固定端，允许另一端自由移动。理解力在固定端处如何相互作用可以帮助预测整个系统的行为。此外，固定端的分析不仅在静态情况下相关，在动态情况下也同样重要。在经历振动的结构中，如桥梁或高楼大厦，固定端可以影响结构对振动的响应。工程师必须仔细分析这些因素，以防止共振，这可能导致灾难性的失败。总之，固定端的概念在物理和工程领域是基础性的。它是理解结构在各种负载和条件下行为的基石。无论是在简单梁的设计还是复杂机械系统中，认识到固定端的重要性使工程师能够创造安全和高效的结构。随着技术的进步，围绕固定端的原则将继续发展，为工程系统的稳定性和性能提供新的见解。