effective length

简明释义

有效长度

英英释义

例句

1.The engineer calculated the effective length of the beam to ensure it could support the required load.

工程师计算了梁的有效长度，以确保它能支持所需的负载。

2.In this experiment, we need to determine the effective length of the pendulum for accurate timing.

在这个实验中，我们需要确定摆的有效长度以获得准确的计时。

3.To improve the performance of the antenna, we adjusted its effective length.

为了提高天线的性能，我们调整了它的有效长度。

4.The effective length of the string affects the frequency of the vibrating system.

弦的有效长度影响振动系统的频率。

5.The swimmer's effective length during a stroke can influence their speed in the water.

游泳者在划水时的有效长度会影响他们在水中的速度。

作文

In the world of engineering and design, the concept of effective length plays a crucial role in determining the stability and performance of structures. The term effective length refers to the length of a structural member that is considered when analyzing its behavior under load. This length may differ from the actual physical length due to various factors such as support conditions, end constraints, and the overall geometry of the structure. Understanding the effective length is essential for engineers to ensure safety and reliability in their designs.For instance, when dealing with columns, the effective length can significantly impact the column's buckling capacity. A column that is fixed at both ends will have a different effective length compared to one that is simply supported. The effective length is typically calculated using specific formulas that take into account how the ends of the column are restrained. By accurately determining the effective length, engineers can predict how much load the column can safely carry without failing.Moreover, the effective length concept extends beyond columns to beams and other structural elements. For beams, the effective length can influence deflection and bending moments. In scenarios where a beam is subjected to lateral loads, understanding its effective length helps in assessing whether it will perform adequately under those conditions. In addition to structural analysis, the effective length also has applications in fields such as acoustics and optics. For example, in acoustics, the effective length of a pipe can determine the fundamental frequency of sound produced. In optics, the effective length of a lens system can affect the focus and clarity of images. These examples illustrate that the concept of effective length is not limited to one discipline but is an integral part of various scientific and engineering fields.To further grasp the importance of effective length, consider a practical example: the design of a bridge. Engineers must calculate the effective length of various components, such as beams and trusses, to ensure that the bridge can withstand the loads imposed by vehicles and environmental factors. If the effective length is underestimated, it could lead to a catastrophic failure of the bridge, resulting in loss of life and property. Therefore, meticulous attention to the effective length is vital in the design process.In conclusion, the term effective length encompasses a fundamental principle in engineering and design that influences the performance and safety of structures. Whether it pertains to columns, beams, or other elements, accurately determining the effective length is essential for successful structural analysis and design. As we continue to advance in technology and engineering practices, the understanding of effective length will remain a foundational aspect of ensuring that our structures are safe, reliable, and efficient.

在工程和设计的世界中，有效长度这一概念在确定结构的稳定性和性能方面发挥着至关重要的作用。术语有效长度是指在分析结构构件在载荷下行为时所考虑的长度。由于支撑条件、端部约束和结构的整体几何形状等各种因素，这个长度可能与实际物理长度有所不同。理解有效长度对于工程师确保设计的安全性和可靠性至关重要。例如，在处理柱子时，有效长度会对柱子的屈曲能力产生重大影响。两端固定的柱子与简单支撑的柱子的有效长度是不同的。通常使用特定的公式来计算有效长度，这些公式考虑了柱子端部的约束情况。通过准确确定有效长度，工程师可以预测柱子在不失效的情况下可以安全承载多少载荷。此外，有效长度的概念不仅限于柱子，还适用于梁和其他结构元素。对于梁而言，有效长度可能会影响挠度和弯矩。在梁受到侧向载荷的情况下，理解其有效长度有助于评估在这些条件下它是否能够充分发挥作用。除了结构分析外，有效长度在声学和光学等领域也有应用。例如，在声学中，管道的有效长度可以决定产生的声音的基频。在光学中，透镜系统的有效长度可以影响图像的焦点和清晰度。这些例子表明，有效长度的概念并不限于一个学科，而是各种科学和工程领域的一个重要组成部分。为了进一步理解有效长度的重要性，考虑一个实际例子：桥梁的设计。工程师必须计算各种组件的有效长度，例如梁和桁架，以确保桥梁能够承受车辆和环境因素施加的载荷。如果低估了有效长度，可能会导致桥梁的灾难性失败，造成生命和财产的损失。因此，在设计过程中对有效长度的细致关注至关重要。总之，术语有效长度涵盖了工程和设计中的一个基本原则，影响着结构的性能和安全性。无论是涉及柱子、梁还是其他元素，准确确定有效长度对于成功的结构分析和设计至关重要。随着我们在技术和工程实践方面的不断进步，对有效长度的理解将始终是确保我们的结构安全、可靠和高效的基础性方面。