principal oscillation

简明释义

主振动

英英释义

例句

1.In acoustics, the principal oscillation 主振动 patterns can affect sound quality in concert halls.

在声学中，主振动 模式会影响音乐厅的音质。

2.Understanding the principal oscillation 主振动 characteristics is crucial for predicting structural failures.

理解 主振动 特性对预测结构失效至关重要。

3.In the study of mechanical systems, the principal oscillation 主振动 mode determines the system's response to external forces.

在机械系统的研究中，主振动 模式决定了系统对外部力的响应。

4.The engineers focused on the principal oscillation 主振动 frequencies to optimize the design of the bridge.

工程师们专注于优化桥梁设计的 主振动 频率。

5.The principal oscillation 主振动 modes were analyzed using advanced simulation software.

使用先进的仿真软件分析了 主振动 模式。

作文

In the study of mechanical systems, the term principal oscillation refers to the dominant mode of vibration that a system exhibits when it is disturbed from its equilibrium position. Understanding principal oscillation is crucial for engineers and scientists who design structures and machines, as these oscillations can significantly affect the stability and performance of a system. For instance, when a bridge is subjected to wind forces or traffic loads, its principal oscillation modes determine how it will respond to these external influences.The concept of principal oscillation is rooted in the principles of dynamics and vibrations. When a system is displaced from its rest position, it tends to oscillate back and forth around that position. The frequency and amplitude of these oscillations depend on various factors, including the mass, stiffness, and damping characteristics of the system. The principal oscillation mode is characterized by having the highest energy and typically occurs at a specific frequency known as the natural frequency.To illustrate this, consider a simple example of a pendulum. When the pendulum is pulled to one side and released, it swings back and forth in a periodic motion. The principal oscillation of the pendulum occurs at its natural frequency, which is determined by the length of the pendulum and the acceleration due to gravity. If the pendulum is subjected to external forces, such as a gust of wind, the principal oscillation may change, leading to a different response.In engineering applications, identifying the principal oscillation modes of a structure is essential for ensuring its safety and reliability. For example, in the design of skyscrapers, engineers conduct modal analysis to determine the principal oscillation frequencies. This analysis helps them understand how the building will react to seismic activity or high winds. By designing the structure to withstand these principal oscillation modes, engineers can mitigate risks and enhance the building's resilience.Moreover, the concept of principal oscillation extends beyond mechanical systems to various fields such as acoustics, fluid dynamics, and even biological systems. In acoustics, for example, musical instruments produce sound through their principal oscillation modes. Each instrument has a unique set of frequencies that correspond to its principal oscillation modes, which contribute to its distinct sound quality.In conclusion, the understanding of principal oscillation is vital across many disciplines. It allows us to predict and control the behavior of systems under dynamic conditions. By analyzing the principal oscillation modes, engineers and scientists can design safer structures, improve the performance of machines, and enhance our understanding of natural phenomena. As technology advances, the study of principal oscillation will continue to play a critical role in innovation and safety in engineering and beyond.

在机械系统的研究中，术语主振荡指的是当系统从其平衡位置受到扰动时，系统表现出的主要振动模式。理解主振荡对设计结构和机器的工程师和科学家至关重要，因为这些振荡会显著影响系统的稳定性和性能。例如，当桥梁受到风力或交通负荷的作用时，其主振荡模式决定了它如何响应这些外部影响。主振荡的概念根植于动力学和振动的原理。当一个系统从静止位置被位移时，它会围绕该位置来回振荡。这些振荡的频率和幅度取决于各种因素，包括系统的质量、刚度和阻尼特性。主振荡模式的特点是具有最高的能量，通常发生在一个特定的频率上，称为自然频率。为了说明这一点，考虑一个简单的摆的例子。当摆被拉到一侧并释放时，它会以周期性运动来回摆动。摆的主振荡发生在其自然频率下，这个频率由摆的长度和重力加速度决定。如果摆受到外力的作用，例如一阵风，主振荡可能会改变，导致不同的响应。在工程应用中，识别结构的主振荡模式对于确保其安全性和可靠性至关重要。例如，在摩天大楼的设计中，工程师进行模态分析以确定主振荡频率。这种分析帮助他们理解建筑物在地震活动或强风下的反应。通过设计结构以承受这些主振荡模式，工程师可以降低风险，提高建筑物的抗灾能力。此外，主振荡的概念不仅限于机械系统，还扩展到声学、流体动力学甚至生物系统等各个领域。在声学中，例如，乐器通过其主振荡模式产生声音。每种乐器都有一组独特的频率，对应于其主振荡模式，这些模式共同构成了其独特的音质。总之，理解主振荡在许多学科中都是至关重要的。它使我们能够预测和控制系统在动态条件下的行为。通过分析主振荡模式，工程师和科学家可以设计更安全的结构，改善机器的性能，并增强我们对自然现象的理解。随着技术的进步，主振荡的研究将继续在工程及其他领域的创新和安全中发挥关键作用。