abrupt change of cross-section

简明释义

截面突变;

英英释义

例句

1.An abrupt change of cross-section in the road design can cause unexpected traffic issues.

道路设计中的横截面突然变化可能会导致意想不到的交通问题。

2.In fluid dynamics, an abrupt change of cross-section can significantly affect flow characteristics.

在流体动力学中，横截面突然变化会显著影响流动特性。

3.The architect had to address the abrupt change of cross-section in the building's façade for aesthetic reasons.

建筑师出于美观原因必须处理建筑外立面中的横截面突然变化。

4.During the inspection, we observed an abrupt change of cross-section at the bridge's support structure.

在检查过程中，我们观察到桥梁支撑结构处有横截面突然变化。

5.The engineer noted an abrupt change of cross-section in the pipeline, which could lead to pressure fluctuations.

工程师注意到管道中出现了横截面突然变化，这可能导致压力波动。

作文

In the realm of engineering and physics, the concept of an abrupt change of cross-section plays a crucial role in understanding how materials and structures behave under various forces. This term refers to a sudden alteration in the shape or size of a structural element, which can significantly affect its performance and stability. For instance, consider a bridge that has a uniform width throughout its length but suddenly narrows in one section. This abrupt change of cross-section can lead to increased stress concentrations at the junction where the width changes, potentially resulting in structural failure if not properly accounted for. The implications of an abrupt change of cross-section extend beyond simple structural integrity; they also influence fluid dynamics in engineering applications. In fluid mechanics, when a fluid flows through a conduit that experiences an abrupt change of cross-section, such as a pipe that suddenly expands or contracts, the flow characteristics can change dramatically. The velocity of the fluid may increase in a narrower section and decrease in a wider section, leading to turbulence and energy losses. This phenomenon is critical in the design of piping systems, where engineers must anticipate and mitigate the effects of these changes to ensure efficient operation.Moreover, the abrupt change of cross-section can also be observed in natural phenomena. For example, riverbanks often exhibit sudden changes in width, which can alter the flow of water and impact the surrounding ecosystem. Understanding these changes is vital for environmental scientists who study river dynamics and their effects on wildlife habitats. In architecture, the aesthetic aspect of an abrupt change of cross-section can be utilized to create visually striking designs. Architects may incorporate sudden shifts in the dimensions of walls or ceilings to enhance the overall appearance of a building. However, they must also consider the structural implications of such changes to maintain safety and functionality. In conclusion, the term abrupt change of cross-section encapsulates a significant concept across various fields, including engineering, physics, fluid dynamics, environmental science, and architecture. Recognizing the effects of these changes is essential for professionals in these disciplines, as they navigate the complexities of design, function, and aesthetics. By understanding the implications of an abrupt change of cross-section, engineers and architects can create safer, more efficient, and more beautiful structures that stand the test of time.

在工程和物理学领域，截面突然变化的概念在理解材料和结构在各种力下的行为中发挥着至关重要的作用。这个术语指的是结构元素形状或大小的突然变化，这可能会显著影响其性能和稳定性。例如，考虑一座桥，其宽度在整个长度上是均匀的，但在某一部分突然变窄。这种截面突然变化可能导致在宽度变化处的应力集中增加，如果没有适当考虑，可能导致结构失效。截面突然变化的影响不仅仅局限于简单的结构完整性；它们还影响工程应用中的流体动力学。在流体力学中，当流体通过经历截面突然变化的导管时，例如突然扩展或收缩的管道，流动特性可能会发生剧烈变化。在较窄的部分，流体的速度可能会增加，而在较宽的部分则会减少，从而导致湍流和能量损失。这种现象在管道系统的设计中至关重要，工程师必须预见并减轻这些变化的影响，以确保高效运行。此外，截面突然变化也可以在自然现象中观察到。例如，河岸往往表现出宽度的突然变化，这可能改变水流并影响周围生态系统。理解这些变化对于研究河流动态及其对野生动物栖息地影响的环境科学家至关重要。在建筑学中，截面突然变化的美学方面可以用于创造视觉上引人注目的设计。建筑师可以结合墙壁或天花板尺寸的突然变化来增强建筑物的整体外观。然而，他们还必须考虑这种变化的结构影响，以维护安全性和功能性。总之，截面突然变化这一术语涵盖了多个领域的重要概念，包括工程、物理学、流体动力学、环境科学和建筑学。认识到这些变化的影响对于这些学科的专业人士至关重要，因为他们在设计、功能和美学的复杂性中航行。通过理解截面突然变化的影响，工程师和建筑师可以创造出更安全、更高效、更美丽的结构，能够经受住时间的考验。