local resonance

简明释义

局部共振

英英释义

例句

1.In environmental science, local resonance 局部共振 can refer to the way sound travels through different terrains.

在环境科学中，局部共振可以指声音如何通过不同地形传播。

2.The research focused on how local resonance 局部共振 affects the stability of structures during earthquakes.

研究集中在局部共振如何影响结构在地震中的稳定性。

3.In physics, local resonance 局部共振 can cause certain materials to vibrate more than others.

在物理学中，局部共振可能导致某些材料比其他材料振动更强烈。

4.The architect designed the building to enhance local resonance 局部共振 with its surroundings.

建筑师设计这座建筑以增强与周围环境的局部共振。

5.The musician used local resonance 局部共振 in the acoustics of the room to enhance the sound quality.

音乐家利用房间的局部共振来增强音质。

作文

In the field of physics and engineering, the concept of local resonance refers to the phenomenon where certain frequencies of vibration are amplified in a localized area of a structure or material. This can occur when the natural frequencies of an object align with the frequencies of external forces acting upon it. Understanding local resonance is crucial in various applications, including building design, musical instrument construction, and even earthquake engineering. To illustrate this concept, consider the example of a guitar. The body of the guitar is designed to resonate at specific frequencies that enhance the sound produced by the strings. When a string is plucked, it vibrates at its fundamental frequency and also at its harmonics. The shape and material of the guitar body are crafted to create local resonance, amplifying these vibrations and enriching the overall sound. If the body of the guitar were made from a different material or had a different shape, the local resonance might not align well with the frequencies of the vibrating strings, resulting in a less vibrant sound.In structural engineering, local resonance can have both beneficial and detrimental effects. For instance, when designing bridges or buildings, engineers must take into account the potential for local resonance due to wind or seismic activity. If the natural frequency of a structure matches the frequency of these external forces, it can lead to excessive vibrations, which may compromise the integrity of the structure. This is why engineers often conduct dynamic analysis during the design phase to ensure that the structure will withstand such resonant conditions.On the other hand, local resonance can be harnessed for beneficial purposes in technologies like acoustic metamaterials. These materials are designed to control sound waves in innovative ways, using the principles of local resonance to create sound barriers or to focus sound. For example, researchers have developed materials that can trap sound waves at specific frequencies, leading to applications in noise reduction and soundproofing.Furthermore, the understanding of local resonance extends beyond the physical sciences into fields like psychology and sociology. In these areas, local resonance can describe how certain ideas or cultural phenomena resonate within specific communities or groups. For instance, a particular piece of music may evoke strong emotions in a local community due to shared experiences and memories, creating a local resonance that deepens their connection to the art form.In conclusion, local resonance is a multifaceted concept that plays a significant role in various domains. Whether it is in the design of musical instruments, the safety of structures, or the impact of cultural expressions, understanding local resonance allows us to appreciate the complexities of how frequencies interact with materials and communities. By studying this phenomenon, we can innovate and improve our designs, ensuring that they resonate well with their intended purpose while avoiding potential pitfalls associated with resonance.

在物理和工程领域，local resonance（局部共振）这一概念指的是某些频率的振动在结构或材料的局部区域内被放大的现象。当物体的自然频率与施加于其上的外力的频率相一致时，就会发生这种情况。理解local resonance对于建筑设计、乐器制造甚至地震工程等各种应用至关重要。为了说明这一概念，可以考虑吉他的例子。吉他的琴身设计为在特定频率上产生共振，从而增强弦产生的声音。当一根弦被拨动时，它以其基频和谐波振动。吉他琴身的形状和材料经过精心制作，以创造local resonance，放大这些振动并丰富整体声音。如果吉他的琴身由不同的材料制成或形状不同，则local resonance可能无法很好地与振动弦的频率对齐，从而导致声音不够饱满。在结构工程中，local resonance可能产生有益和有害的效果。例如，在设计桥梁或建筑物时，工程师必须考虑到由于风或地震活动可能导致的local resonance。如果结构的自然频率与这些外力的频率相匹配，可能会导致过度振动，从而危及结构的完整性。这就是为什么工程师在设计阶段通常进行动态分析，以确保结构能够承受这种共振条件。另一方面，local resonance可以在声学超材料等技术中被利用。这些材料旨在以创新的方式控制声波，利用local resonance的原理创建声屏障或聚焦声音。例如，研究人员开发了能够在特定频率下捕捉声波的材料，导致其在降噪和隔音方面的应用。此外，对local resonance的理解还扩展到心理学和社会学等领域。在这些领域中，local resonance可以描述某些思想或文化现象在特定社区或群体中的共鸣。例如，一首特定的音乐可能因共同的经历和记忆而在一个地方社区中引发强烈的情感，形成一种加深他们与艺术形式联系的local resonance。总之，local resonance是一个多方面的概念，在各个领域都发挥着重要作用。无论是在乐器设计、结构安全还是文化表达的影响中，理解local resonance使我们能够欣赏频率如何与材料和社区相互作用的复杂性。通过研究这一现象，我们可以创新和改进我们的设计，确保它们与预期目的良好共鸣，同时避免与共振相关的潜在陷阱。