forced vibration

简明释义

强迫振动

英英释义

例句

1.In machinery, forced vibration can lead to premature wear and tear of components.

在机械中，强迫振动可能导致部件的过早磨损。

2.The testing lab uses forced vibration to simulate real-world conditions on product prototypes.

测试实验室使用强迫振动来模拟产品原型的真实环境条件。

3.The forced vibration of the engine can cause noise that affects passenger comfort.

发动机的强迫振动会产生影响乘客舒适度的噪音。

4.Understanding forced vibration is crucial for designing earthquake-resistant buildings.

理解强迫振动对于设计抗震建筑至关重要。

5.The engineers studied the effects of forced vibration on the bridge's structural integrity.

工程师们研究了强迫振动对桥梁结构完整性的影响。

作文

In the field of mechanical engineering, understanding the concept of forced vibration is essential for analyzing and designing various structures and systems. Forced vibration refers to the oscillation of a system that occurs due to an external force acting upon it. This external force can be periodic, such as the vibrations produced by a motor or an engine, or it can be random, like the forces caused by wind or seismic activity. Unlike free vibrations, which occur when a system oscillates on its own after being disturbed, forced vibration requires continuous input from an external source.The study of forced vibration is crucial in many applications, particularly in civil and mechanical engineering. For instance, buildings and bridges must be designed to withstand the forced vibrations caused by traffic loads, wind forces, and even earthquakes. Engineers use various methods to analyze the effects of these vibrations on structures, ensuring their stability and safety.One common method used to analyze forced vibration is modal analysis. This technique involves determining the natural frequencies and mode shapes of a structure. By understanding how a structure behaves under forced vibration, engineers can design it to mitigate any adverse effects. For example, if a bridge is found to resonate at a frequency that matches the frequency of traffic loads, engineers may implement dampers or adjust the design to avoid resonance, which could lead to catastrophic failure.Another important aspect of forced vibration is its impact on machinery. In industrial settings, machines often produce vibrations during operation. If these vibrations are too intense, they can lead to mechanical failure or reduced efficiency. Therefore, it is vital to monitor and control forced vibrations in machinery to ensure optimal performance. Techniques such as vibration isolation and balancing are commonly employed to reduce the effects of forced vibration in machines.Furthermore, forced vibration has implications in the field of acoustics. Sound waves, for example, can be considered a form of forced vibration in air. When a speaker produces sound, it creates pressure waves that cause the surrounding air particles to vibrate. Understanding how forced vibration works in acoustics can help in designing better audio equipment and improving sound quality in various environments.In conclusion, forced vibration is a significant phenomenon in engineering and physics that has far-reaching implications in various fields. Whether it is ensuring the safety of structures, optimizing machinery performance, or enhancing sound quality, the study of forced vibration plays a vital role. As technology continues to advance, the importance of understanding and controlling forced vibration will only grow, making it an essential topic for engineers and scientists alike.

在机械工程领域，理解“强制振动”的概念对于分析和设计各种结构和系统至关重要。“强制振动”是指由于外部力作用于系统而发生的振荡。这种外部力可以是周期性的，例如电动机或发动机产生的振动，或者是随机的，比如风力或地震活动造成的力。与自由振动不同，自由振动是在系统被扰动后自行振荡，而“强制振动”则需要来自外部源的持续输入。“强制振动”的研究在许多应用中至关重要，特别是在土木和机械工程中。例如，建筑物和桥梁必须设计成能够承受交通负荷、风力甚至地震引起的“强制振动”。工程师使用各种方法来分析这些振动对结构的影响，以确保其稳定性和安全性。分析“强制振动”的常用方法之一是模态分析。这种技术涉及确定结构的自然频率和模态形状。通过了解结构在“强制振动”下的行为，工程师可以设计出减轻不利影响的结构。例如，如果发现一座桥的共振频率与交通负荷的频率相匹配，工程师可能会实施阻尼器或调整设计以避免共振，这可能导致灾难性的失败。“强制振动”的另一个重要方面是它对机械的影响。在工业环境中，机器在运行过程中常常会产生振动。如果这些振动过于强烈，可能导致机械故障或效率降低。因此，监测和控制机器中的“强制振动”至关重要，以确保最佳性能。诸如振动隔离和平衡等技术通常用于减少机器中“强制振动”的影响。此外，“强制振动”在声学领域也有影响。例如，声波可以被视为空气中的一种“强制振动”。当扬声器发出声音时，它会产生压力波，使周围的空气粒子振动。了解“强制振动”在声学中的工作原理可以帮助设计更好的音频设备，并改善各种环境中的声音质量。总之，“强制振动”是工程和物理学中一种重要现象，在各个领域都有深远的影响。无论是确保结构的安全性、优化机械性能还是增强声音质量，“强制振动”的研究都发挥着至关重要的作用。随着技术的不断进步，理解和控制“强制振动”的重要性只会增加，使其成为工程师和科学家们必不可少的主题。