forced oscillation

简明释义

受迫振荡

英英释义

例句

1.The concept of forced oscillation is crucial in understanding how pendulums behave when subjected to external forces.

理解当摆受到外部力量作用时的行为，强迫振动的概念至关重要。

2.In civil engineering, buildings can experience forced oscillation during an earthquake due to ground motion.

在土木工程中，建筑物在地震期间可能会由于地面运动而经历强迫振动。

3.In physics labs, students often observe forced oscillation using springs and weights to study harmonic motion.

在物理实验室中，学生们经常使用弹簧和重物观察强迫振动以研究谐波运动。

4.In a mechanical system, the response to a periodic input is known as forced oscillation, which means that the system is driven by an external force.

在机械系统中，对周期性输入的响应被称为强迫振动，这意味着系统是由外部力驱动的。

5.When tuning a musical instrument, the strings undergo forced oscillation when struck, producing sound at specific frequencies.

当调音乐器时，琴弦在被击打时经历强迫振动，产生特定频率的声音。

作文

In the study of physics, the concept of forced oscillation is crucial for understanding how systems respond to external influences. A forced oscillation occurs when an external force is applied to a system, causing it to oscillate at a frequency that may differ from its natural frequency. This phenomenon can be observed in various contexts, such as mechanical systems, electrical circuits, and even in biological systems. For example, when a child swings on a swing set, if someone pushes them at regular intervals, the swing undergoes forced oscillation. The external force from the push alters the motion of the swing, leading it to oscillate with greater amplitude than it would without the push.Understanding forced oscillation is essential in engineering and design. Engineers often need to account for forces that can lead to resonance, which occurs when the frequency of the external force matches the natural frequency of the system. This can result in large amplitude oscillations, potentially leading to catastrophic failures in structures like bridges or buildings. For instance, the Tacoma Narrows Bridge famously collapsed due to resonance effects caused by wind-induced forced oscillation. Therefore, engineers must carefully analyze the potential for forced oscillation in their designs to ensure safety and stability.In addition to engineering applications, forced oscillation also plays a significant role in musical instruments. When a musician plays a note on a guitar, the strings vibrate at their natural frequencies. However, if the musician uses a bow on a violin, they create forced oscillation by applying a continuous external force. This interaction produces sound waves that resonate within the body of the instrument, allowing for a richer tone. Similarly, tuning forks exhibit forced oscillation when struck, producing specific frequencies that can be used for tuning other instruments.In the realm of biology, forced oscillation can be seen in the way certain organisms adapt to their environments. For example, some fish are known to use their fins to create forced oscillation in the water, allowing them to swim more efficiently. This adaptation highlights the importance of understanding how external forces can influence biological systems and their behaviors.Overall, the concept of forced oscillation is not only fundamental to physics but also has far-reaching implications across various fields. By studying how systems respond to external forces, we can gain insights into the stability, efficiency, and functionality of both natural and engineered systems. Whether in the design of safe structures, the creation of beautiful music, or the understanding of biological processes, forced oscillation remains a vital area of study that continues to intrigue scientists and engineers alike.

在物理学的研究中，强迫振动的概念对于理解系统如何响应外部影响至关重要。强迫振动发生在当一个外部力施加到一个系统上时，导致其以不同于自然频率的频率振荡。这个现象可以在各种上下文中观察到，例如机械系统、电路，甚至生物系统。例如，当一个孩子在秋千上荡秋千时，如果有人以规律的间隔推他，秋千就会经历强迫振动。推的外部力改变了秋千的运动，使其振荡的幅度比没有推时要大。理解强迫振动在工程和设计中是至关重要的。工程师常常需要考虑可能导致共振的力，当外部力的频率与系统的自然频率匹配时，就会发生共振。这可能导致大幅度振荡，可能导致像桥梁或建筑物这样的结构的灾难性故障。例如，塔科马海峡大桥因风引起的强迫振动效应而著名地倒塌。因此，工程师必须仔细分析他们设计中强迫振动的潜在可能性，以确保安全和稳定。除了工程应用，强迫振动在乐器中也扮演着重要角色。当音乐家在吉他上演奏音符时，弦以其自然频率振动。然而，如果音乐家在小提琴上使用弓，他们通过施加持续的外部力来产生强迫振动。这种相互作用产生的声波在乐器的共鸣体内共振，从而产生更丰富的音色。同样，音叉在被敲击时也表现出强迫振动，产生可以用于调音的特定频率。在生物学领域，强迫振动可以在某些生物适应其环境的方式中看到。例如，一些鱼类已知使用它们的鳍在水中创造强迫振动，使它们游泳更有效。这种适应突显了理解外部力量如何影响生物系统及其行为的重要性。总的来说，强迫振动的概念不仅是物理学的基础，而且在各个领域都有广泛的影响。通过研究系统如何响应外部力量，我们可以深入了解自然和工程系统的稳定性、效率和功能。不论是在安全结构的设计、优美音乐的创作，还是对生物过程的理解中，强迫振动仍然是一个重要的研究领域，继续吸引着科学家和工程师的关注。