forced oscillation

简明释义

强迫振动

英英释义

例句

1.The bridge began to sway due to forced oscillation 强迫振动 from the traffic below.

由于下面交通的影响，桥开始摇摆，这就是强迫振动.

2.The tuning fork produces a clear sound through forced oscillation 强迫振动 when struck.

当被敲击时，音叉通过强迫振动发出清晰的声音.

3.In a mechanical system, the response to a periodic driving force is known as forced oscillation 强迫振动.

在机械系统中，对周期性驱动力的响应称为强迫振动.

4.In physics, forced oscillation 强迫振动 can be observed in systems subjected to external periodic forces.

在物理学中，受到外部周期性力作用的系统中可以观察到强迫振动.

5.Engineers must consider forced oscillation 强迫振动 when designing structures to withstand earthquakes.

工程师在设计抗震结构时必须考虑强迫振动.

作文

In the realm of physics, the concept of forced oscillation plays a crucial role in understanding various dynamic systems. Forced oscillation refers to the type of oscillation that occurs when an external force is applied to a system, causing it to vibrate at a frequency determined by the external force rather than its natural frequency. This phenomenon can be observed in numerous real-world applications, from the design of musical instruments to the engineering of buildings that can withstand earthquakes.The essence of forced oscillation can be illustrated with a simple example: imagine a child on a swing. When the child pushes off the ground, he creates a force that propels the swing forward. If a parent stands nearby and gives the swing an additional push at regular intervals, the swing will respond to this external force and begin to oscillate more vigorously. In this case, the swing's motion is influenced by the periodic force applied by the parent, demonstrating the principles of forced oscillation.One of the most notable examples of forced oscillation in nature is the phenomenon of resonance. When a system oscillates at its natural frequency, it can absorb energy from an external force efficiently. This is often seen in musical instruments; for instance, when a musician plays a note on a guitar, the strings vibrate at their natural frequencies. If the musician applies a consistent force, such as plucking the string repeatedly, the sound produced becomes louder due to the resonance effect. Understanding forced oscillation is essential for musicians and engineers alike, as it helps them harness the power of resonance to create beautiful sounds and robust structures.Moreover, forced oscillation has significant implications in engineering fields, particularly in designing buildings and bridges. Engineers must consider the forces that can act upon these structures, such as wind or seismic activity. By applying the principles of forced oscillation, they can design buildings that can withstand external forces without collapsing. For instance, during an earthquake, the ground shakes, creating forces that can cause a building to sway. If the building’s natural frequency matches the frequency of the ground motion, a dangerous situation known as resonance can occur. To prevent this, engineers use dampers and other technologies to alter the building's response to external forces, effectively managing the effects of forced oscillation.In conclusion, forced oscillation is a fundamental concept that permeates various aspects of our lives, from the music we enjoy to the safety of the structures we inhabit. By understanding how external forces influence oscillating systems, we can better appreciate the world around us and apply this knowledge to innovate and improve our technologies. Whether it is through enhancing musical performances or ensuring the stability of our buildings, the principles of forced oscillation are invaluable in both art and science, reminding us of the intricate connections between the two fields.

在物理学领域，强迫振动的概念在理解各种动态系统中起着至关重要的作用。强迫振动是指当外部力量施加于一个系统时所发生的振动类型，这种振动以外部力量决定的频率而非其自然频率进行振动。这种现象可以在许多现实应用中观察到，从乐器的设计到工程建筑的抗震设计。强迫振动的本质可以通过一个简单的例子来说明：想象一个孩子在秋千上。当孩子向下蹬地时，他产生了一种力量使秋千前进。如果一位家长站在附近，并在固定的时间间隔内给秋千额外的推力，秋千就会响应这种外部力量，开始更为剧烈地摆动。在这个例子中，秋千的运动受到了父母施加的周期性力量的影响，展示了强迫振动的原理。自然界中最显著的强迫振动例子是共振现象。当一个系统以其自然频率振动时，它可以高效地从外部力量中吸收能量。这通常在乐器中看到；例如，当音乐家在吉他上演奏一个音符时，弦以其自然频率振动。如果音乐家施加一致的力量，比如反复拨动弦，产生的声音会因共振效应而变得更响亮。理解强迫振动对音乐家和工程师都至关重要，因为它帮助他们利用共振的力量创造美妙的声音和坚固的结构。此外，强迫振动在工程领域具有重要意义，尤其是在建筑和桥梁的设计中。工程师必须考虑可能作用于这些结构的力量，例如风或地震活动。通过应用强迫振动的原理，他们可以设计出能够承受外部力量而不倒塌的建筑。例如，在地震期间，地面震动产生的力量可能导致建筑物摇晃。如果建筑物的自然频率与地面运动的频率相匹配，就会出现一种危险的情况，称为共振。为了防止这种情况，工程师使用阻尼器和其他技术来改变建筑物对外部力量的反应，有效管理强迫振动的影响。总之，强迫振动是一个基本概念，渗透到我们生活的各个方面，从我们欣赏的音乐到我们居住建筑的安全。通过理解外部力量如何影响振荡系统，我们可以更好地欣赏周围的世界，并将这一知识应用于创新和改善我们的技术。无论是通过增强音乐表演还是确保建筑的稳定性，强迫振动的原理在艺术和科学中都是无价的，提醒我们这两个领域之间的复杂联系。