coupled longitudinal-torsional vibration

简明释义

纵向扭转耦合振动

英英释义

例句

1.In this study, we developed a model to predict coupled longitudinal-torsional vibration 耦合纵向-扭转振动 in pipelines subjected to dynamic loads.

在这项研究中，我们开发了一个模型来预测在动态负载下管道中发生的耦合纵向-扭转振动。

2.Engineers must consider coupled longitudinal-torsional vibration 耦合纵向-扭转振动 when designing shafts to ensure stability under load.

工程师在设计轴时必须考虑耦合纵向-扭转振动以确保在负载下的稳定性。

3.The research focused on mitigating coupled longitudinal-torsional vibration 耦合纵向-扭转振动 in rotary systems to improve performance.

该研究集中在减轻旋转系统中的耦合纵向-扭转振动以提高性能。

4.To prevent machinery damage, it is crucial to monitor coupled longitudinal-torsional vibration 耦合纵向-扭转振动 levels during operation.

为了防止机械损坏，监测操作期间的耦合纵向-扭转振动水平至关重要。

5.The analysis of the system revealed significant issues related to coupled longitudinal-torsional vibration 耦合纵向-扭转振动, which could lead to structural failure.

系统分析揭示了与耦合纵向-扭转振动相关的重大问题，这可能导致结构失效。

作文

Understanding the concept of coupled longitudinal-torsional vibration is essential in various fields of engineering, particularly in mechanical and structural engineering. This phenomenon occurs when two types of vibrations—longitudinal and torsional—interact with each other. Longitudinal vibrations involve the oscillation of particles in the same direction as the wave propagation, while torsional vibrations involve the twisting motion around an axis. The coupling of these two types of vibrations can lead to complex behavior in structures and mechanical systems.In practical applications, coupled longitudinal-torsional vibration can significantly affect the performance and stability of rotating machinery, such as shafts and turbines. For instance, when a shaft rotates, it may experience both longitudinal vibrations due to axial loads and torsional vibrations due to twisting forces. If these vibrations are not properly managed, they can result in excessive wear, fatigue, and even catastrophic failure of the machinery.One of the key challenges in analyzing coupled longitudinal-torsional vibration is accurately modeling the interaction between the two vibration modes. Engineers often use mathematical models and simulations to predict how these vibrations will behave under various operating conditions. By understanding the coupling effects, engineers can design more resilient systems that can withstand dynamic loads without compromising safety and performance.Moreover, the study of coupled longitudinal-torsional vibration extends beyond mechanical systems. In civil engineering, for example, buildings and bridges may also experience similar coupled vibrations due to environmental factors such as wind or seismic activity. Engineers must consider these interactions when designing structures to ensure they can endure such forces without experiencing detrimental effects.To effectively address coupled longitudinal-torsional vibration, it is crucial to employ advanced techniques such as modal analysis, which helps identify the natural frequencies of a system and how they interact. By determining the resonance conditions, engineers can implement solutions like dampers or specific geometric modifications to mitigate the adverse effects of these coupled vibrations.In conclusion, a comprehensive understanding of coupled longitudinal-torsional vibration is vital for engineers working in various disciplines. By grasping the principles behind this phenomenon, they can improve the reliability and longevity of mechanical systems and structures. As technology continues to advance, the tools and methods for analyzing and managing these vibrations will also evolve, leading to safer and more efficient designs across multiple engineering domains.

理解耦合纵向-扭转振动的概念在各种工程领域中至关重要，特别是在机械和结构工程中。这种现象发生在两种类型的振动——纵向和扭转——相互作用时。纵向振动涉及粒子沿波传播方向的振荡，而扭转振动则涉及围绕轴的扭转运动。这两种振动的耦合可能导致结构和机械系统中复杂的行为。在实际应用中，耦合纵向-扭转振动会显著影响旋转机械的性能和稳定性，例如轴和涡轮机。例如，当轴旋转时，它可能会因轴向载荷而经历纵向振动，并因扭转力而经历扭转振动。如果这些振动没有得到适当管理，可能会导致过度磨损、疲劳，甚至机械的灾难性故障。分析耦合纵向-扭转振动的一个关键挑战是准确建模这两种振动模式之间的相互作用。工程师通常使用数学模型和仿真来预测在各种操作条件下这些振动的行为。通过理解耦合效应，工程师可以设计出更具韧性的系统，能够承受动态载荷，而不影响安全性和性能。此外，耦合纵向-扭转振动的研究不仅限于机械系统。在土木工程中，例如，建筑物和桥梁也可能由于风或地震等环境因素经历类似的耦合振动。工程师在设计结构时必须考虑这些相互作用，以确保它们能够承受此类力量，而不会产生不利影响。为了有效应对耦合纵向-扭转振动，至关重要的是采用先进的技术，如模态分析，这有助于识别系统的固有频率及其相互作用。通过确定共振条件，工程师可以实施解决方案，例如阻尼器或特定几何修改，以减轻这些耦合振动的不良影响。总之，全面理解耦合纵向-扭转振动对于在各个学科工作的工程师至关重要。通过掌握这一现象背后的原理，他们可以提高机械系统和结构的可靠性和耐用性。随着技术的不断进步，分析和管理这些振动的工具和方法也将不断发展，从而在多个工程领域实现更安全、更高效的设计。