effective length

简明释义

有效长度

英英释义

例句

1.In this experiment, we need to measure the effective length of the pendulum for accurate results.

在这个实验中，我们需要测量摆的有效长度以获得准确的结果。

2.The effective length of a string in a musical instrument affects its pitch.

乐器中弦的有效长度会影响其音高。

3.The engineer calculated the effective length of the beam to determine its load-bearing capacity.

工程师计算了梁的有效长度以确定其承载能力。

4.The architect specified the effective length of the columns to ensure structural integrity.

建筑师指定了柱子的有效长度以确保结构的完整性。

5.To optimize the antenna’s performance, you should adjust the effective length based on the frequency.

为了优化天线的性能，您应根据频率调整其有效长度。

作文

In the realm of engineering and physics, the term effective length is often used to describe a specific measurement that plays a critical role in determining the behavior of structural elements. The effective length is not merely the physical length of an object; it accounts for factors such as support conditions, load application, and material properties that influence how a structure will respond under various conditions. Understanding the concept of effective length is essential for engineers and designers as it directly impacts the safety and performance of structures.For example, consider a column that is subjected to axial loads. The actual length of the column might be straightforward to measure, but the effective length takes into consideration how the column is supported at its ends. If a column is fixed at both ends, its effective length is shorter than its actual length because the fixed supports provide additional resistance against buckling. Conversely, if a column is simply supported, its effective length would be equivalent to its actual length, as the supports do not offer any additional restraint.In practical applications, engineers use the effective length to calculate critical buckling loads. The Euler's formula, which predicts the buckling load of a column, incorporates the effective length into its calculations. This means that understanding how to determine the effective length of a structural element can lead to more accurate predictions of its performance and stability under load. Failure to account for the effective length can result in unsafe designs that may lead to catastrophic failures.Moreover, the concept of effective length extends beyond just columns. It can also apply to beams and other structural components where constraints and loading conditions vary. For instance, when analyzing a beam that is subjected to lateral loads, the effective length may change based on how the beam is supported and the location of the loads. This variability necessitates a thorough understanding of the effective length in order to ensure that the design meets the required safety factors and performance criteria.In conclusion, the term effective length is a fundamental concept in structural engineering that influences the design and analysis of various structural elements. By considering the effective length, engineers can make informed decisions that enhance the safety and efficiency of their designs. The ability to accurately determine the effective length is crucial for predicting how structures will behave under different loads and conditions, ultimately leading to more resilient and reliable constructions. As we continue to advance our understanding of materials and structural behavior, the importance of the effective length will only grow, making it an indispensable part of engineering education and practice.

在工程和物理学领域，术语有效长度通常用于描述一个特定的测量值，这在确定结构元件的行为中起着至关重要的作用。有效长度不仅仅是物体的物理长度；它考虑了支持条件、载荷施加和材料属性等因素，这些因素会影响结构在各种条件下的响应。理解有效长度的概念对工程师和设计师至关重要，因为它直接影响到结构的安全性和性能。例如，考虑一个受到轴向载荷的柱子。柱子的实际长度可能很容易测量，但有效长度考虑了柱子在两端的支撑情况。如果柱子两端固定，则其有效长度短于其实际长度，因为固定支撑提供了额外的抗弯曲能力。相反，如果柱子是简单支撑的，则其有效长度将等于其实际长度，因为支撑没有提供任何额外的约束。在实际应用中，工程师利用有效长度来计算临界屈曲载荷。欧拉公式预测柱子的屈曲载荷，将有效长度纳入其计算中。这意味着，理解如何确定结构元素的有效长度可以导致对其性能和稳定性的更准确预测。如果不考虑有效长度，可能会导致不安全的设计，从而导致灾难性的失败。此外，有效长度的概念不仅限于柱子。它也可以适用于梁和其他结构组件，在这些组件中，约束和载荷条件各不相同。例如，在分析一个受侧向载荷作用的梁时，有效长度可能会根据梁的支撑方式和载荷的位置而变化。这种变异性需要对有效长度有透彻的理解，以确保设计满足所需的安全系数和性能标准。总之，术语有效长度是结构工程中的基本概念，影响着各种结构元素的设计和分析。通过考虑有效长度，工程师可以做出明智的决策，从而提高设计的安全性和效率。准确确定有效长度的能力对于预测结构在不同载荷和条件下的行为至关重要，最终导致更具韧性和可靠性的建筑。随着我们继续加深对材料和结构行为的理解，有效长度的重要性只会增加，使其成为工程教育和实践中不可或缺的一部分。