flutter calculation

简明释义

抖振计算

英英释义

Flutter calculation refers to the process of analyzing and predicting the dynamic behavior of structures, particularly in aerospace engineering, to determine their susceptibility to flutter, which is an unstable oscillation that can lead to structural failure.

颤振计算是指分析和预测结构动态行为的过程,特别是在航空航天工程中,以确定其对颤振的敏感性,颤振是一种不稳定的振荡,可能导致结构失效。

例句

1.To avoid catastrophic failure, the team conducted a flutter calculation on the new model.

为了避免灾难性故障,团队对新模型进行了颤振计算

2.Before finalizing the design, we need to run a flutter calculation to assess the stability of the structure.

在最终确定设计之前,我们需要进行颤振计算以评估结构的稳定性。

3.The flutter calculation indicated that the bridge could experience resonance at certain wind speeds.

颤振计算表明桥梁在某些风速下可能会经历共振。

4.In aerospace engineering, a flutter calculation is crucial for ensuring flight safety.

在航空航天工程中,颤振计算对于确保飞行安全至关重要。

5.The engineer performed a flutter calculation to ensure the aircraft could withstand turbulent conditions.

工程师进行了颤振计算以确保飞机能够承受湍流条件。

作文

In the field of engineering, particularly in aerodynamics and structural analysis, the term flutter calculation refers to a critical assessment of the stability and safety of structures subjected to dynamic forces. Flutter is a phenomenon that occurs when aerodynamic forces interact with the natural frequencies of a structure, such as an aircraft wing or a bridge. When these forces resonate, they can lead to catastrophic failure if not properly analyzed and mitigated. Therefore, understanding flutter calculation is essential for engineers to ensure the integrity of their designs.The process of conducting a flutter calculation typically involves complex mathematical modeling and simulation techniques. Engineers must consider various factors, including the material properties, geometry of the structure, and the environmental conditions it will face during its operational life. For example, in aviation, the wings of an aircraft are designed to withstand not only the static loads during flight but also the dynamic loads caused by turbulence and maneuvering. A thorough flutter calculation helps predict at what speeds or conditions flutter might occur, allowing engineers to design wings that remain stable under all expected operating conditions.One of the most important aspects of flutter calculation is the use of computational fluid dynamics (CFD) and finite element analysis (FEA). These advanced simulation tools allow engineers to visualize how air flows over a structure and how that structure will respond to various forces. By inputting different variables into these simulations, engineers can identify potential flutter scenarios and devise strategies to avoid them. This proactive approach is crucial, especially in high-stakes industries like aerospace, where the consequences of a flutter event can be dire.Moreover, experimental testing plays a significant role in validating flutter calculation results. Wind tunnel tests are often conducted to observe how prototypes behave under simulated flight conditions. During these tests, engineers can measure the actual flutter response of the structure and compare it to their calculations. This iterative process of calculation and testing ensures that the final design is not only theoretically sound but also practically viable.In summary, flutter calculation is a vital component of modern engineering practices, especially in fields where dynamic forces are prevalent. It encompasses a combination of theoretical analysis, computational simulations, and experimental validations to ensure that structures can withstand the forces they encounter. As technology continues to advance, the methods and tools used for flutter calculation will undoubtedly evolve, leading to even safer and more efficient designs. Engineers must stay abreast of these developments to maintain the highest standards of safety and performance in their work. Ultimately, the goal of any flutter calculation is to protect both the structure and its users from the potentially devastating effects of flutter phenomena.

在工程领域,特别是在空气动力学和结构分析中,术语flutter calculation指的是对受动态力作用的结构的稳定性和安全性的关键评估。颤振是一个现象,当空气动力学力与结构的固有频率相互作用时,会发生这种现象,例如飞机机翼或桥梁。当这些力量产生共振时,如果没有适当分析和缓解,可能会导致灾难性故障。因此,理解flutter calculation对于工程师确保其设计的完整性至关重要。进行flutter calculation的过程通常涉及复杂的数学建模和仿真技术。工程师必须考虑各种因素,包括材料特性、结构几何形状以及它在操作生命周期中将面临的环境条件。例如,在航空领域,飞机的机翼不仅需要承受飞行中的静态载荷,还需要承受由湍流和机动引起的动态载荷。全面的flutter calculation有助于预测在什么速度或条件下可能发生颤振,从而使工程师能够设计在所有预期操作条件下保持稳定的机翼。flutter calculation的一个重要方面是使用计算流体动力学(CFD)和有限元分析(FEA)。这些先进的仿真工具使工程师能够可视化空气如何流过结构,以及该结构如何响应各种力量。通过将不同的变量输入到这些仿真中,工程师可以识别潜在的颤振场景并制定避免这些场景的策略。这种主动的方法至关重要,尤其是在航空航天等高风险行业,因为颤振事件的后果可能是可怕的。此外,实验测试在验证flutter calculation结果中也起着重要作用。通常会进行风洞测试,以观察原型在模拟飞行条件下的行为。在这些测试期间,工程师可以测量结构的实际颤振响应,并将其与他们的计算进行比较。这种计算和测试的迭代过程确保最终设计不仅在理论上是合理的,而且在实践中也是可行的。总之,flutter calculation是现代工程实践的重要组成部分,尤其是在动态力普遍存在的领域。它结合了理论分析、计算仿真和实验验证,以确保结构能够承受所遇到的力量。随着技术的不断进步,用于flutter calculation的方法和工具无疑会不断发展,从而导致更安全、更高效的设计。工程师必须紧跟这些发展,以维持其工作中的最高安全和性能标准。最终,任何flutter calculation的目标都是保护结构及其用户免受颤振现象可能造成的破坏性影响。

相关单词

flutter

flutter详解:怎么读、什么意思、用法

calculation

calculation详解:怎么读、什么意思、用法