principal vibration

简明释义

基本振动

英英释义

例句

1.In this experiment, we observed the principal vibration 主振动 frequency of the material.

在这个实验中，我们观察到了材料的主振动频率。

2.The researchers focused on the principal vibration 主振动 characteristics of the new alloy.

研究人员专注于新合金的主振动特性。

3.The engineer measured the principal vibration 主振动 of the structure to ensure its stability.

工程师测量了结构的主振动以确保其稳定性。

4.Understanding the principal vibration 主振动 helps in designing more efficient machines.

理解主振动有助于设计更高效的机器。

5.The principal vibration 主振动 mode of the system was identified using advanced sensors.

通过先进的传感器识别了系统的主振动模式。

作文

In the realm of physics and engineering, understanding the concept of principal vibration is crucial for analyzing the behavior of structures and systems. The principal vibration refers to the dominant mode of oscillation that a system exhibits when it is subjected to dynamic forces. This concept is particularly important in fields such as mechanical engineering, civil engineering, and acoustics, where vibrations can significantly impact the performance and integrity of structures.When a structure, such as a bridge or a building, is subjected to external forces like wind or earthquakes, it begins to vibrate. Each structure has its own natural frequencies, which are determined by its material properties, geometry, and boundary conditions. The principal vibration is the mode that corresponds to the lowest natural frequency, meaning it is the most likely mode to be excited by external forces. Understanding this mode allows engineers to predict how the structure will respond to various loads and to design accordingly to ensure safety and stability.For example, consider a tall building in a seismic zone. Engineers must account for the principal vibration when designing the structure to withstand potential earthquakes. If the building's natural frequency coincides with the frequency of seismic waves, resonance can occur, leading to catastrophic failure. Therefore, engineers often employ damping systems or modify the building's design to alter its natural frequencies, ensuring that the principal vibration does not match those of expected seismic activity.In addition to structural engineering, the concept of principal vibration is also relevant in the field of acoustics. Musical instruments, for instance, produce sound through vibrations. The principal vibration of an instrument determines its fundamental frequency, which is perceived as the pitch of the sound. Understanding the principal vibration in musical acoustics helps instrument makers design better instruments that produce desired sounds.Moreover, the study of principal vibration extends beyond traditional engineering applications. In the field of biomechanics, researchers analyze the principal vibration of human joints and tissues to understand how they respond to movement and load. This knowledge can inform the design of prosthetics and rehabilitation protocols, improving patient outcomes.In conclusion, the concept of principal vibration plays a vital role in various fields of science and engineering. By understanding the dominant modes of vibration in structures, engineers can create safer and more efficient designs. Whether in civil engineering, acoustics, or biomechanics, the implications of principal vibration are far-reaching, demonstrating the interconnectedness of different disciplines. As technology advances, further research into principal vibration will continue to enhance our ability to predict and control vibrations in complex systems, ultimately leading to improved safety and performance across various applications.

在物理和工程领域，理解“主振动”这一概念对于分析结构和系统的行为至关重要。“主振动”指的是当系统受到动态力作用时所表现出的主要振荡模式。这个概念在机械工程、土木工程和声学等领域尤为重要，因为振动会显著影响结构的性能和完整性。当一座结构，例如桥梁或建筑物，受到风或地震等外部力量的作用时，它会开始振动。每个结构都有自己的自然频率，这些频率由其材料特性、几何形状和边界条件决定。“主振动”是对应最低自然频率的模式，这意味着它是最有可能被外部力量激发的模式。理解这一模式使工程师能够预测结构如何响应各种载荷，并据此进行设计，以确保安全和稳定。例如，考虑一座位于地震带的高层建筑。工程师在设计结构以抵御潜在的地震时，必须考虑“主振动”。如果建筑的自然频率与地震波的频率相吻合，就可能发生共振，从而导致灾难性的破坏。因此，工程师通常会采用阻尼系统或修改建筑设计，以改变其自然频率，确保“主振动”不与预期的地震活动的频率匹配。除了结构工程之外，“主振动”的概念在声学领域也相关。乐器通过振动产生声音。“主振动”决定了乐器的基本频率，这被感知为声音的音高。在音乐声学中理解“主振动”有助于乐器制造商设计出更好的乐器，产生所需的声音。此外，“主振动”的研究超越了传统的工程应用。在生物力学领域，研究人员分析人类关节和组织的“主振动”，以了解它们如何对运动和负荷作出反应。这些知识可以为假肢设计和康复方案提供信息，改善患者的治疗效果。总之，“主振动”的概念在科学和工程的各个领域都发挥着重要作用。通过理解结构中的主振动模式，工程师可以创造出更安全、更高效的设计。无论是在土木工程、声学还是生物力学中，“主振动”的影响都是深远的，展示了不同学科之间的相互联系。随着技术的发展，对“主振动”的进一步研究将继续增强我们预测和控制复杂系统中振动的能力，最终在各种应用中提高安全性和性能。