center of gyration

简明释义

旋转中心

英英释义

例句

1.The center of gyration can significantly affect the dynamic response of a structure under loads.

在荷载作用下，回转中心会显著影响结构的动态响应。

2.In physics, the center of gyration is crucial for analyzing rotational motion.

在物理学中，回转中心对于分析旋转运动至关重要。

3.Understanding the center of gyration helps in optimizing the performance of mechanical systems.

理解回转中心有助于优化机械系统的性能。

4.The architect designed the building with a low center of gyration to enhance its earthquake resistance.

建筑师设计了具有低回转中心的建筑，以增强其抗震能力。

5.The engineer calculated the center of gyration to determine the stability of the structure.

工程师计算了回转中心以确定结构的稳定性。

作文

The concept of the center of gyration is crucial in various fields of engineering and physics, particularly when analyzing the stability and dynamics of structures. The center of gyration refers to a point at which the mass of a body can be assumed to be concentrated for the purpose of analyzing its rotational motion. This point is determined by the distribution of mass relative to the axis of rotation. Understanding the center of gyration allows engineers to predict how structures will behave under different loading conditions, making it an essential factor in design and safety assessments.In structural engineering, the center of gyration plays a significant role in determining the buckling strength of columns. When a column is subjected to axial loads, it is critical to ensure that the load does not exceed the column's capacity to withstand bending and buckling. The center of gyration is calculated using the formula: k = I/A, where 'k' is the radius of gyration, 'I' is the moment of inertia, and 'A' is the cross-sectional area of the column. A higher center of gyration indicates that the mass is distributed farther from the axis of rotation, which enhances stability and reduces the likelihood of buckling.Moreover, the center of gyration is also relevant in the field of mechanical systems, such as in the design of rotating machinery. In these applications, the center of gyration helps in assessing the dynamic behavior of rotating components. By knowing the center of gyration, engineers can optimize the design to minimize vibrations and improve the overall efficiency of the machine. This is particularly important in high-speed applications where even minor imbalances can lead to significant performance issues.In addition to engineering applications, the center of gyration concept is also applicable in biomechanics and sports science. For example, understanding the center of gyration helps athletes improve their performance by optimizing their body movements during activities such as gymnastics or diving. Coaches analyze the center of gyration to help athletes maintain balance and control while executing complex maneuvers. This knowledge allows for better training techniques and injury prevention strategies.Furthermore, the center of gyration is used in urban planning and architecture. In designing tall buildings, architects must consider the center of gyration to ensure that the structure can withstand lateral forces caused by wind or seismic activity. By strategically placing the center of gyration within the building's design, architects can enhance stability and reduce the risk of structural failure.In conclusion, the center of gyration is a fundamental concept that spans multiple disciplines, including engineering, physics, biomechanics, and architecture. Its significance lies in its ability to provide insights into the stability and dynamics of various systems. By understanding and applying the principles associated with the center of gyration, professionals can design safer and more efficient structures and machines, ultimately contributing to advancements in technology and improvements in safety standards across industries.

旋转中心的概念在工程和物理学的多个领域中至关重要，特别是在分析结构的稳定性和动态性时。旋转中心指的是一个点，在此点上，物体的质量可以被假设为集中，以便分析其旋转运动。这个点是通过相对于旋转轴的质量分布来确定的。理解旋转中心使工程师能够预测结构在不同载荷条件下的行为，使其成为设计和安全评估中的一个重要因素。在结构工程中，旋转中心在确定柱子的屈曲强度方面起着重要作用。当柱子受到轴向载荷时，确保载荷不超过柱子承受弯曲和屈曲能力是至关重要的。旋转中心使用公式计算：k = I/A，其中 'k' 是旋转半径，'I' 是惯性矩，'A' 是柱子的截面积。较高的旋转中心表明质量分布离旋转轴更远，这增强了稳定性并减少了屈曲的可能性。此外，旋转中心在机械系统领域也很相关，例如在旋转机械的设计中。在这些应用中，旋转中心有助于评估旋转组件的动态行为。通过了解旋转中心，工程师可以优化设计以最小化振动并提高机器的整体效率。这在高速应用中特别重要，因为即使是微小的不平衡也会导致显著的性能问题。除了工程应用外，旋转中心的概念还适用于生物力学和运动科学。例如，了解旋转中心可以帮助运动员通过优化身体运动来提高表现，尤其是在体操或跳水等活动中。教练分析旋转中心，以帮助运动员在执行复杂动作时保持平衡和控制。这一知识使得更好的训练技术和预防伤害策略成为可能。此外，旋转中心在城市规划和建筑设计中也被使用。在设计高层建筑时，建筑师必须考虑旋转中心，以确保结构能够承受风或地震活动引起的侧向力。通过在建筑设计中战略性地放置旋转中心，建筑师可以增强稳定性，降低结构失效的风险。总之，旋转中心是一个基本概念，涵盖多个学科，包括工程、物理、生物力学和建筑学。其重要性在于它能够提供对各种系统的稳定性和动态性的洞察。通过理解和应用与旋转中心相关的原则，专业人士可以设计出更安全、更高效的结构和机器，最终推动技术进步和改善各行业的安全标准。