fundamental vibration
简明释义
基本振动
英英释义
The lowest frequency mode of vibration of a physical system, which typically corresponds to the longest wavelength and the most significant amplitude of oscillation. | 物理系统的最低频率振动模式,通常对应于最长的波长和最显著的振幅振荡。 |
例句
1.The tuning fork emits a sound at its fundamental vibration 基频振动, which is the lowest frequency it can produce.
这个音叉发出的声音是它的fundamental vibration 基频振动,这是它能产生的最低频率。
2.The fundamental vibration 基频振动 of the string determines the pitch of the musical note produced.
弦的fundamental vibration 基频振动 决定了所产生音乐音符的音高。
3.In structural engineering, understanding the fundamental vibration 基频振动 modes of a building is crucial for earthquake resistance.
在结构工程中,了解建筑物的fundamental vibration 基频振动 模式对于抗震至关重要。
4.The fundamental vibration 基频振动 of a beam can be affected by its length and stiffness.
梁的fundamental vibration 基频振动 会受到其长度和刚度的影响。
5.Researchers measured the fundamental vibration 基频振动 frequency of the material to assess its damping properties.
研究人员测量了材料的fundamental vibration 基频振动 频率,以评估其阻尼特性。
作文
In the world of physics and engineering, the concept of fundamental vibration plays a crucial role in understanding how structures and materials behave under various forces. The term fundamental vibration refers to the lowest frequency at which a system naturally oscillates when disturbed from its equilibrium position. This frequency is essential because it determines the basic characteristics of the vibrational modes of the system. For instance, when a guitar string is plucked, it vibrates at a fundamental frequency that produces the note we hear. The fundamental vibration is the most dominant sound produced, and it sets the tone for any harmonics or overtones that may follow.Understanding fundamental vibration is not only important in musical contexts but also in engineering fields such as civil and mechanical engineering. Engineers must consider the fundamental vibration frequencies of buildings, bridges, and other structures to ensure they can withstand environmental forces like wind and earthquakes. If a structure's fundamental vibration frequency coincides with the frequency of external forces, resonance can occur, potentially leading to catastrophic failures.To illustrate this further, consider a tall building swaying during an earthquake. The building has a specific fundamental vibration frequency based on its height, mass, and material properties. If the seismic waves generated by the earthquake have a frequency that matches the building's fundamental vibration, the building could sway excessively, leading to structural damage or collapse. Therefore, engineers design buildings with this in mind, often incorporating dampers and other technologies to mitigate the effects of such vibrations.Additionally, the study of fundamental vibration extends to the realm of materials science. Different materials have unique fundamental vibration frequencies that can reveal information about their properties. For example, scientists can use techniques such as Raman spectroscopy to analyze the vibrational modes of molecules. By understanding the fundamental vibration frequencies of different materials, researchers can develop new materials with desired properties for various applications, from electronics to aerospace.In conclusion, the concept of fundamental vibration is integral to many fields of study, including physics, engineering, and materials science. It provides insight into how systems respond to external forces and helps engineers design safer structures capable of withstanding dynamic loads. Whether it’s the sound of a musical instrument or the stability of a skyscraper, the fundamental vibration frequency is a key factor that influences both performance and safety. As we continue to explore the complexities of vibration, we gain a deeper appreciation for the underlying principles that govern our physical world.
在物理和工程的世界中,基本振动的概念在理解结构和材料在各种力作用下的行为方面起着至关重要的作用。术语基本振动指的是当系统从其平衡位置受到扰动时,自然振荡的最低频率。这个频率是至关重要的,因为它决定了系统振动模式的基本特征。例如,当吉他弦被拨动时,它以一个基本振动频率振动,产生我们所听到的音符。基本振动是产生的最主要的声音,它为后续的任何泛音或高音设定了基调。理解基本振动不仅在音乐背景中重要,而且在土木和机械工程等工程领域也同样重要。工程师必须考虑建筑物、桥梁和其他结构的基本振动频率,以确保它们能够承受像风和地震这样的环境力量。如果结构的基本振动频率与外部力量的频率重合,就可能发生共振,导致灾难性的失败。进一步说明这一点,考虑一座高楼在地震期间摇晃。该建筑有一个特定的基本振动频率,基于其高度、质量和材料属性。如果地震产生的地震波的频率与建筑物的基本振动频率匹配,建筑物可能会过度摇晃,导致结构损坏或倒塌。因此,工程师在设计建筑时会考虑这一点,通常会采用阻尼器和其他技术来减轻这种振动的影响。此外,基本振动的研究还扩展到材料科学的领域。不同材料具有独特的基本振动频率,可以揭示有关其属性的信息。例如,科学家可以使用拉曼光谱等技术分析分子的振动模式。通过理解不同材料的基本振动频率,研究人员可以开发出具有所需属性的新材料,用于各种应用,从电子产品到航空航天。总之,基本振动的概念对于许多研究领域至关重要,包括物理学、工程学和材料科学。它提供了对系统如何响应外部力量的深入了解,并帮助工程师设计更安全的结构,以承受动态负荷。无论是乐器的声音还是摩天大楼的稳定性,基本振动频率都是影响性能和安全的关键因素。随着我们继续探索振动的复杂性,我们对支配我们物理世界的基本原理有了更深刻的理解。
相关单词