self-induced vibration

简明释义

自激振动

英英释义

例句

1.The design modifications aimed to reduce self-induced vibration in the aircraft's wings.

设计修改旨在减少飞机机翼上的自激振动。

2.To minimize self-induced vibration, we need to adjust the motor speed.

为了减少自激振动，我们需要调整电机速度。

3.The engineers discovered that the machinery was experiencing self-induced vibration due to its own operational frequency.

工程师们发现，由于机器自身的操作频率，设备经历了自激振动。

4.During the test, the team noted significant self-induced vibration in the structure.

在测试期间，团队注意到结构中有显著的自激振动。

5.The study focused on how self-induced vibration affects the stability of bridges under load.

研究集中在自激振动如何影响桥梁在负载下的稳定性。

作文

In the world of engineering and physics, the phenomenon of self-induced vibration plays a significant role in various systems. Understanding this concept is crucial for designing stable structures and machines. Self-induced vibration refers to oscillations that occur within a system due to its own dynamics rather than external forces. This type of vibration can arise from several sources, including mechanical imbalances, feedback loops, or even environmental conditions. For instance, consider a simple pendulum. When it is set into motion, it swings back and forth due to the force of gravity. However, if the pendulum experiences an imbalance, such as uneven weight distribution, it may begin to oscillate in a manner that is not just a result of the initial push but also due to the internal factors affecting its motion. This is a basic example of self-induced vibration.In engineering applications, self-induced vibration can be both beneficial and detrimental. On one hand, it can be harnessed in systems like musical instruments, where the vibrations produced create sound. On the other hand, in structures such as bridges or buildings, self-induced vibration can lead to catastrophic failures if not properly managed. For example, the infamous Tacoma Narrows Bridge collapse in 1940 was partly due to aerodynamic forces that induced vibrations in the bridge structure, leading to its eventual failure.To mitigate the adverse effects of self-induced vibration, engineers employ various techniques. Damping systems, for instance, are designed to absorb and dissipate energy from vibrations, thus stabilizing the structure. Additionally, careful design considerations, such as the selection of materials and structural shapes, can reduce the likelihood of harmful vibrations occurring.Research into self-induced vibration continues to advance, with new technologies emerging that aim to predict and control vibrations in real-time. For instance, sensors and actuators can be integrated into structures to monitor vibrations and make adjustments as needed. This technology not only enhances safety but also extends the lifespan of structures by preventing damage caused by excessive vibrations.In conclusion, self-induced vibration is a multifaceted concept that has significant implications in engineering and physics. By understanding the causes and effects of self-induced vibration, engineers can design safer and more efficient systems. Whether it is through the use of damping techniques or advanced monitoring technologies, managing self-induced vibration is essential for the integrity and functionality of various structures and machines. As we continue to explore this phenomenon, it is clear that the balance between harnessing and mitigating self-induced vibration will remain a critical focus in the fields of engineering and applied physics.

在工程和物理学的世界中，自激振动现象在各种系统中发挥着重要作用。理解这个概念对于设计稳定的结构和机器至关重要。自激振动是指由于系统自身的动力学而发生的振荡，而不是外部力量引起的。这种类型的振动可以由多种来源引起，包括机械不平衡、反馈回路或甚至环境条件。例如，考虑一个简单的摆。当它被启动时，由于重力的作用，它会来回摆动。然而，如果摆经历了不平衡，例如重量分布不均，它可能会开始以一种不仅仅是由于初始推力而产生的方式进行振荡，而还受到影响其运动的内部因素的影响。这是自激振动的一个基本例子。在工程应用中，自激振动既可以是有益的，也可以是有害的。一方面，它可以在像乐器这样的系统中被利用，其中产生的振动产生声音。另一方面，在如桥梁或建筑物等结构中，自激振动如果没有得到妥善管理，可能会导致灾难性的失败。例如，1940年臭名昭著的塔科马海峡大桥倒塌部分是由于空气动力学力量诱发了桥梁结构中的振动，导致其最终失败。为了减轻自激振动的不利影响，工程师采用各种技术。例如，阻尼系统旨在吸收和耗散振动的能量，从而稳定结构。此外，仔细的设计考虑，例如材料和结构形状的选择，可以减少有害振动发生的可能性。对自激振动的研究持续推进，新的技术不断涌现，旨在实时预测和控制振动。例如，可以将传感器和执行器集成到结构中，以监测振动并根据需要进行调整。这项技术不仅增强了安全性，还通过防止过度振动造成的损坏来延长结构的使用寿命。总之，自激振动是一个多方面的概念，在工程和物理学中具有重要意义。通过理解自激振动的原因和影响，工程师可以设计出更安全、更高效的系统。无论是通过使用阻尼技术还是先进的监测技术，管理自激振动对于各种结构和机器的完整性和功能性至关重要。随着我们继续探索这一现象，显然在利用和减轻自激振动之间取得平衡将始终是工程和应用物理领域的关键焦点。