radius of gyration

简明释义

惯性半径

英英释义

The radius of gyration is a measure used in mechanics and structural engineering that represents the distribution of mass around an axis. It is defined as the distance from the axis at which the total mass of the body could be concentrated without changing its moment of inertia.

回转半径是一个在力学和结构工程中使用的度量,表示物体质量围绕某一轴的分布。它被定义为从该轴到可以集中物体总质量而不改变其惯性矩的距离。

例句

1.The radius of gyration is crucial for understanding the distribution of mass in rotating bodies.

回转半径对于理解旋转物体中的质量分布至关重要。

2.To optimize the design, the architect used the radius of gyration in her calculations.

为了优化设计,建筑师在计算中使用了回转半径

3.In structural analysis, the radius of gyration helps in assessing the stability of columns.

在结构分析中,回转半径有助于评估柱子的稳定性。

4.The engineer calculated the radius of gyration to determine how the beam would respond to bending forces.

工程师计算了回转半径以确定梁在弯曲力作用下的反应。

5.The radius of gyration can be calculated using the formula that includes the moment of inertia.

回转半径可以通过包含惯性矩的公式进行计算。

作文

The concept of radius of gyration is pivotal in the field of engineering and physics, particularly when analyzing the stability and dynamics of structures. The radius of gyration is defined as the distance from an axis at which the entire mass of a body can be considered to be concentrated for the purpose of calculating its moment of inertia. This means that instead of dealing with complex shapes and distributions of mass, engineers can simplify their calculations by using the radius of gyration. Understanding the radius of gyration is essential when designing beams, columns, and other structural elements. For instance, when a beam bends under load, knowing the radius of gyration helps in predicting how much it will deflect and whether it will buckle. A larger radius of gyration typically indicates a more stable structure, as it suggests that the mass is distributed further from the axis of rotation, which increases resistance to bending and buckling.In practical applications, the radius of gyration is used in various engineering disciplines, including civil, mechanical, and aerospace engineering. For example, in civil engineering, the design of skyscrapers takes into account the radius of gyration to ensure that they can withstand lateral forces such as wind and earthquakes. By calculating the radius of gyration, engineers can determine the critical load at which a column might fail, allowing them to design safer and more efficient structures.Moreover, the radius of gyration is also significant in the analysis of rotating bodies. In rotational dynamics, the radius of gyration helps in understanding how mass distribution affects angular momentum and rotational inertia. This is particularly important in the design of machinery and vehicles, where the radius of gyration can influence performance and stability during operation.In summary, the radius of gyration is not just a theoretical concept but a practical tool that plays a crucial role in ensuring the safety and efficiency of various structures and systems. Its application spans multiple fields and highlights the interconnectedness of physics and engineering principles. By mastering the understanding of the radius of gyration, engineers can make informed decisions that lead to better designs and safer structures, ultimately contributing to advancements in technology and infrastructure. Understanding this concept is fundamental for anyone pursuing a career in engineering or related fields, as it lays the groundwork for more complex analyses and designs in the future.

半径是一个在工程和物理领域中至关重要的概念,特别是在分析结构的稳定性和动态时。半径定义为从一个轴到物体的整个质量可以被认为集中在一起以计算其惯性矩的距离。这意味着,工程师可以通过使用半径简化他们的计算,而不是处理复杂的形状和质量分布。理解半径对于设计梁、柱和其他结构元素至关重要。例如,当一根梁在负载下弯曲时,知道半径有助于预测它会偏转多少,以及它是否会发生屈曲。较大的半径通常表明结构更稳定,因为这表明质量分布得更远离旋转轴,从而增加了抗弯和抗屈曲的能力。在实际应用中,半径被用于多个工程学科,包括土木工程、机械工程和航空航天工程。例如,在土木工程中,高层建筑的设计考虑到半径以确保它们能够承受如风和地震等横向力。通过计算半径,工程师可以确定柱子可能失效的临界载荷,从而使他们能够设计出更安全和更高效的结构。此外,半径在旋转物体的分析中也很重要。在旋转动力学中,半径有助于理解质量分布如何影响角动量和旋转惯性。这在机械和车辆的设计中尤其重要,因为半径会影响操作过程中的性能和稳定性。总之,半径不仅仅是一个理论概念,而是一个实用工具,在确保各种结构和系统的安全性和效率方面发挥着至关重要的作用。它的应用跨越多个领域,并突显了物理学和工程原理之间的相互联系。通过掌握对半径的理解,工程师可以做出明智的决策,从而导致更好的设计和更安全的结构,最终为技术和基础设施的进步做出贡献。理解这一概念对于任何追求工程或相关领域职业的人来说都是基础,因为它为未来更复杂的分析和设计奠定了基础。

相关单词

radius

radius详解:怎么读、什么意思、用法

gyration

gyration详解:怎么读、什么意思、用法