damping decrement

简明释义

衰减率

英英释义

例句

1.In mechanical systems, understanding the damping decrement helps in tuning the performance of dampers.

在机械系统中，理解阻尼衰减有助于调整阻尼器的性能。

2.The damping decrement was calculated to improve the vibration control of the machinery.

计算了阻尼衰减以改善机器的振动控制。

3.A high damping decrement indicates that the system quickly returns to equilibrium after a disturbance.

较高的阻尼衰减表明系统在扰动后迅速恢复到平衡状态。

4.The engineers measured the damping decrement to assess the stability of the bridge under dynamic loads.

工程师测量了阻尼衰减以评估桥梁在动态负载下的稳定性。

5.Researchers found that the damping decrement varied significantly with different materials used in construction.

研究人员发现，不同建筑材料的使用导致阻尼衰减显著变化。

作文

In the field of engineering and physics, understanding the concepts of vibration and oscillation is crucial. One important aspect of these phenomena is the concept of damping decrement, which refers to the measure of energy loss in a vibrating system over time. When an object vibrates, it eventually comes to a stop due to the forces acting against its motion, such as friction or air resistance. The rate at which this energy is lost is quantified by the damping decrement. To better understand this concept, let’s consider a simple example: a pendulum. When you swing a pendulum, it moves back and forth in a periodic motion. Initially, it has a certain amount of energy that allows it to swing high and low. However, as time progresses, the amplitude of the swing decreases. This decrease in amplitude can be attributed to the damping decrement, which is influenced by factors such as air resistance and the material properties of the pendulum itself. The damping decrement is typically expressed as a ratio or a percentage, indicating how much the energy of the system diminishes with each cycle of oscillation. A higher damping decrement signifies that the system loses energy more quickly, leading to a faster reduction in the amplitude of the vibrations. Conversely, a lower damping decrement indicates that the system can sustain its oscillations for a longer period before coming to rest. In practical applications, engineers often need to control the damping decrement in various systems to ensure stability and performance. For instance, in the design of bridges and buildings, it is essential to consider how structures respond to vibrations caused by wind or seismic activity. By manipulating the damping decrement, engineers can enhance the resilience of these structures, preventing catastrophic failures. Moreover, in the automotive industry, the suspension systems of vehicles are designed with specific damping decrements to provide comfort and stability while driving. A well-tuned suspension system effectively absorbs shocks from the road, allowing for a smoother ride and improved handling. If the damping decrement is too low, the vehicle may bounce excessively, while a too high damping decrement can lead to a harsh ride. In conclusion, the concept of damping decrement plays a vital role in understanding and managing the behavior of vibrating systems in various fields. From engineering structures to automotive design, controlling the damping decrement is crucial for ensuring safety, stability, and performance. As technology continues to advance, the ability to accurately measure and manipulate the damping decrement will remain an essential aspect of engineering and physics, contributing to the development of more efficient and resilient systems.

在工程和物理学领域，理解振动和振荡的概念至关重要。一个重要的方面是damping decrement的概念，它指的是在振动系统中能量随时间损失的度量。当一个物体振动时，它最终会由于作用于其运动的力（如摩擦或空气阻力）而停止。能量损失的速率通过damping decrement来量化。为了更好地理解这个概念，让我们考虑一个简单的例子：摆。当你摇摆一个摆时，它以周期性运动前后移动。最初，它具有一定的能量，使其能够高低摆动。然而，随着时间的推移，摆动的幅度减小。这种幅度的减少可以归因于damping decrement，它受到空气阻力和摆本身材料特性的影响。damping decrement通常表示为比率或百分比，指示系统的能量在每个振荡周期中减少了多少。较高的damping decrement意味着系统更快地失去能量，从而导致振动幅度更快地减小。相反，较低的damping decrement表示系统可以在停止之前维持振荡更长的时间。在实际应用中，工程师通常需要控制各种系统中的damping decrement以确保稳定性和性能。例如，在桥梁和建筑物的设计中，考虑结构如何响应风或地震活动引起的振动是至关重要的。通过操控damping decrement，工程师可以增强这些结构的韧性，防止灾难性的故障。此外，在汽车工业中，车辆的悬挂系统设计了特定的damping decrements以提供驾驶时的舒适性和稳定性。调校良好的悬挂系统有效地吸收来自路面的冲击，使行驶更加平稳，操控更佳。如果damping decrement过低，车辆可能会过度弹跳，而过高的damping decrement则可能导致行驶不适。总之，damping decrement的概念在理解和管理各个领域振动系统的行为中发挥着至关重要的作用。从工程结构到汽车设计，控制damping decrement对于确保安全、稳定和性能至关重要。随着技术的不断进步，准确测量和操控damping decrement的能力将继续成为工程和物理学的重要方面，为开发更高效和更具韧性的系统做出贡献。