dynamic deflection

简明释义

动荷挠度

英英释义

例句

1.The testing equipment was calibrated to accurately measure dynamic deflection 动态挠度 in various materials.

测试设备经过校准，以准确测量各种材料的动态挠度。

2.The dynamic deflection 动态挠度 of the suspension bridge was monitored continuously to ensure structural integrity.

悬索桥的动态挠度被持续监测，以确保结构完整性。

3.In order to ensure safety, the dynamic deflection 动态挠度 of the building must be within acceptable limits during an earthquake.

为了确保安全，建筑物在地震期间的动态挠度必须在可接受的范围内。

4.The engineer measured the dynamic deflection 动态挠度 of the bridge under heavy traffic conditions.

工程师在重型交通条件下测量了桥梁的动态挠度。

5.Engineers often analyze dynamic deflection 动态挠度 to predict how structures will respond to loads over time.

工程师通常分析动态挠度以预测结构在长期负载下的反应。

作文

In the field of engineering, particularly in structural and mechanical engineering, the term dynamic deflection refers to the displacement of a structure or component when subjected to dynamic loads. These loads can include forces that vary with time, such as those caused by wind, earthquakes, or moving vehicles. Understanding dynamic deflection is crucial for ensuring that structures can withstand these forces without experiencing failure or excessive deformation.When a load is applied to a structure, it does not simply deform instantaneously; rather, it undergoes a series of movements and changes over time. This behavior is especially pronounced in materials that are elastic, meaning they can return to their original shape after the load is removed. However, when dynamic loads are applied, the response of the material can be complex. Engineers must account for factors such as the frequency of the load, the damping characteristics of the material, and the overall geometry of the structure.For example, consider a bridge that experiences traffic loads. As vehicles pass over the bridge, they exert forces that cause the bridge to bend and flex. The amount of bending that occurs is referred to as dynamic deflection. If the deflection is too great, it could lead to structural issues or even catastrophic failure. Therefore, engineers must design bridges with appropriate materials and shapes that minimize dynamic deflection while still allowing for the necessary strength and durability.The importance of measuring and analyzing dynamic deflection cannot be overstated. Engineers use various techniques, including finite element analysis (FEA) and modal analysis, to predict how structures will respond to dynamic loads. By simulating different loading scenarios, they can identify potential weaknesses and make informed decisions about design modifications. This proactive approach is vital for public safety, as it helps prevent accidents and ensures that structures remain functional over their intended lifespan.Additionally, dynamic deflection has implications beyond just structural integrity. It also affects the comfort and usability of structures. For instance, in buildings, excessive deflection can lead to vibrations that are uncomfortable for occupants. In sensitive environments, such as laboratories or data centers, even minor vibrations can disrupt operations. Thus, controlling dynamic deflection is essential for creating spaces that are both safe and comfortable.In conclusion, dynamic deflection is a fundamental concept in engineering that encompasses the behavior of structures under dynamic loads. It is essential for ensuring the safety, functionality, and comfort of various constructions, from bridges to buildings. Through careful analysis and design, engineers can mitigate the effects of dynamic deflection and create resilient structures capable of withstanding the challenges posed by dynamic forces. As technology advances, our understanding and management of dynamic deflection will continue to evolve, leading to even safer and more efficient designs in the future.

在工程领域，特别是结构和机械工程中，术语动态挠度指的是在动态载荷作用下，结构或组件的位移。这些载荷可以包括随时间变化的力，例如风、地震或移动车辆造成的力。理解动态挠度对确保结构能够承受这些力量而不发生故障或过度变形至关重要。当载荷施加到结构上时，它不会立即变形；相反，它会随着时间的推移经历一系列运动和变化。这种行为在弹性材料中尤为明显，即它们可以在载荷移除后恢复到原始形状。然而，当施加动态载荷时，材料的响应可能会很复杂。工程师必须考虑诸如载荷频率、材料的阻尼特性以及结构的整体几何形状等因素。例如，考虑一座经历交通载荷的桥梁。当车辆经过桥梁时，它们施加的力量使桥梁弯曲和柔韧。发生的弯曲量被称为动态挠度。如果挠度过大，可能会导致结构问题甚至灾难性故障。因此，工程师必须设计出适当的材料和形状，以最小化动态挠度，同时仍然保持必要的强度和耐久性。测量和分析动态挠度的重要性不可低估。工程师使用各种技术，包括有限元分析（FEA）和模态分析，来预测结构如何响应动态载荷。通过模拟不同的加载场景，他们可以识别潜在的弱点，并就设计修改做出明智的决定。这种主动的方法对于公共安全至关重要，因为它有助于防止事故并确保结构在其预期的使用寿命内保持功能。此外，动态挠度不仅影响结构的完整性。它还影响结构的舒适性和可用性。例如，在建筑物中，过度的挠度可能导致不适的振动。对于敏感环境，如实验室或数据中心，即使是微小的振动也可能干扰操作。因此，控制动态挠度对于创造安全和舒适的空间至关重要。总之，动态挠度是工程中的一个基本概念，涉及结构在动态载荷下的行为。它对于确保各种建筑物的安全性、功能性和舒适性至关重要，从桥梁到建筑物。通过仔细的分析和设计，工程师可以减轻动态挠度的影响，创造出能够承受动态力量带来的挑战的坚固结构。随着技术的进步，我们对动态挠度的理解和管理将继续发展，未来将导致更安全、更高效的设计。