torsional flutter

简明释义

扭转颤振

英英释义

Torsional flutter is a dynamic instability that occurs in structures, particularly in aircraft wings or bridges, where oscillations in the torsional motion can lead to increasing amplitude and potential structural failure.

扭转颤振是一种动态不稳定现象,发生在结构中,特别是在飞机机翼或桥梁上,其中扭转运动的振荡可能导致振幅增加并可能导致结构失效。

例句

1.The research focused on the effects of torsional flutter on various wing configurations.

研究集中在不同翼型对扭转颤振的影响上。

2.To mitigate torsional flutter, engineers are incorporating advanced materials in their designs.

为了减轻扭转颤振,工程师们在设计中采用先进材料。

3.The torsional flutter phenomenon can significantly affect the structural integrity of bridges.

这种扭转颤振现象会显著影响桥梁的结构完整性。

4.Engineers must analyze the risk of torsional flutter when designing rotor blades for helicopters.

工程师在设计直升机的旋翼时,必须分析扭转颤振的风险。

5.The aircraft experienced torsional flutter during the test flight, leading to a temporary loss of control.

在试飞过程中,飞机经历了扭转颤振,导致暂时失去控制。

作文

Torsional flutter is a phenomenon that occurs in structures, particularly in aerospace engineering, where oscillations can lead to catastrophic failure. This type of flutter is characterized by the twisting motion of a structure, which can be exacerbated by aerodynamic forces. Understanding torsional flutter is crucial for engineers who design aircraft and other vehicles that operate at high speeds. When an aircraft reaches a certain speed, the aerodynamic forces acting on its wings can cause them to twist and turn in a way that creates feedback loops of increasing amplitude. This can result in severe vibrations that may ultimately lead to structural failure. The study of torsional flutter has gained significant importance in recent years due to the advancements in aerodynamics and materials science. Engineers must consider various factors, including the shape of the wings, the materials used, and the overall design of the aircraft, to mitigate the risks associated with this phenomenon. For instance, using materials with higher stiffness can help reduce the likelihood of flutter, as they are less prone to twisting under aerodynamic loads.Moreover, computational simulations have become an invaluable tool in predicting torsional flutter. By creating detailed models of aircraft, engineers can simulate different flight conditions and analyze how the structure responds to various aerodynamic forces. This allows them to identify potential flutter modes and make necessary design adjustments before physical prototypes are built.In addition to aerospace applications, torsional flutter can also be relevant in other fields such as civil engineering. Bridges and tall buildings can experience similar twisting motions due to wind forces. Engineers must account for these dynamics during the design phase to ensure the safety and stability of structures. Failure to do so can lead to disastrous consequences, as seen in historical events where bridges collapsed due to unanticipated fluttering effects.The implications of torsional flutter extend beyond just engineering; they highlight the importance of interdisciplinary collaboration. Engineers, physicists, and material scientists must work together to develop solutions that enhance the safety and performance of structures. Continuous research and innovation in this area are vital to improving our understanding of flutter dynamics and creating safer designs.In conclusion, torsional flutter represents a critical challenge in the field of engineering, particularly in aerospace and civil applications. By comprehensively understanding the mechanics behind this phenomenon and utilizing advanced simulation techniques, engineers can design structures that withstand the forces of nature while ensuring safety and reliability. As technology continues to evolve, so too will our ability to predict and mitigate the effects of torsional flutter, paving the way for safer and more efficient designs in the future.

扭转颤振是一种现象,发生在结构中,尤其是在航空工程中,当振荡导致灾难性故障时。这种类型的颤振以结构的扭转运动为特征,可能因空气动力力的作用而加剧。理解扭转颤振对于设计高速度飞行器和其他车辆的工程师至关重要。当飞机达到某一速度时,作用于机翼上的空气动力力可能导致机翼以一种方式扭曲和转动,从而产生逐步增大的反馈循环。这可能导致严重的振动,并最终导致结构失效。近年来,随着空气动力学和材料科学的进步,扭转颤振的研究变得尤为重要。工程师必须考虑多种因素,包括机翼的形状、使用的材料以及飞机的整体设计,以降低与此现象相关的风险。例如,使用刚度更高的材料可以帮助减少颤振的可能性,因为它们在空气动力负荷下不易扭曲。此外,计算机模拟已成为预测扭转颤振的重要工具。通过创建详细的飞机模型,工程师可以模拟不同的飞行条件,并分析结构如何响应各种空气动力力。这使他们能够识别潜在的颤振模式,并在物理原型建造之前进行必要的设计调整。除了航空应用外,扭转颤振在土木工程等其他领域也很相关。桥梁和高楼大厦可能会由于风力而经历类似的扭转运动。工程师在设计阶段必须考虑这些动态,以确保结构的安全和稳定。如果不这样做,可能会导致灾难性的后果,正如历史事件中所见,桥梁因意想不到的颤振效应而倒塌。扭转颤振的影响超越了工程本身,突显了跨学科合作的重要性。工程师、物理学家和材料科学家必须共同努力,开发增强结构安全性和性能的解决方案。在这一领域的持续研究和创新对于提高我们对颤振动态的理解和创造更安全的设计至关重要。总之,扭转颤振在工程领域,特别是在航空和土木应用中,代表着一个关键挑战。通过全面理解这一现象背后的力学,并利用先进的模拟技术,工程师可以设计出能够承受自然力量的结构,同时确保安全和可靠性。随着技术的不断发展,我们预测和减轻扭转颤振影响的能力也将不断提升,为未来更安全、更高效的设计铺平道路。

相关单词

torsional

torsional详解:怎么读、什么意思、用法

flutter

flutter详解:怎么读、什么意思、用法