torsional

简明释义

英[ˈtɔːʃənəl]美[ˈtɔrʃənl]

adj. 扭转的；扭力的

英英释义

单词用法

同义词

反义词

例句

1.The torsional flexibility of plate can remarkably enhance the propulsion performance.

平板的扭转柔效应能显著改善平板的推进特性。

2.All of these provide a reference date for the applications of vibration drilling with low frequency torsional vibration.

为低频扭振型的振动切削应用于生产实践提供了参考数据。

3.The purpose of the new design is to provide increased lateral and torsional rigidity.

的目的，新的设计是为了提供更多的横向和抗扭刚度。

4.A good example of this brings to mind a recent modal test on a troublesome torsional vibration shaker system.

这个很好的例子使我想起了近期的一次模态试验，试验是在一个棘手的扭转振动台系统上进行的。

5.From the view point of vibration, powertrain is divided into bending system and torsional system.

从振动的角度看，车辆动力传动系可分为弯曲振动系统和扭转振动系统。

6.Now one more very interesting oscillation — a torsional pendulum.

现在是一个更有趣的摆动-，一个扭摆。

7.The analysis showed that the torsional 扭转的 forces were within acceptable limits.

分析显示，torsional 扭转的 力在可接受的范围内。

8.In a car's drivetrain, torsional 扭转的 vibrations can lead to wear and tear over time.

在汽车的传动系统中，torsional 扭转的 振动会随着时间导致磨损。

9.The engineer analyzed the torsional 扭转的 stress in the beam to ensure it could withstand the applied loads.

工程师分析了梁中的torsional 扭转的 应力，以确保它能够承受施加的载荷。

10.The torsional 扭转的 stiffness of the chassis is critical for maintaining vehicle stability during turns.

底盘的torsional 扭转的 刚度对于保持车辆在转弯时的稳定性至关重要。

11.A torsional 扭转的 spring can store energy and release it when twisted back.

一个torsional 扭转的 弹簧可以储存能量，并在被扭回时释放。

作文

In the field of engineering, understanding the concept of torsional (扭转的) stress and strain is vital for designing safe and effective structures. Torsional forces are those that cause an object to twist around its longitudinal axis. When a shaft or beam is subjected to these forces, it experiences a type of deformation known as torsional deformation, which can lead to failure if not properly accounted for in the design process.For instance, consider a simple example of a metal rod being twisted at both ends. As one end is turned, the other end will also begin to twist due to the torsional forces acting upon it. This twisting creates a shear stress within the material, which can be calculated using the formula: τ = T*r/J, where τ is the shear stress, T is the applied torque, r is the distance from the center of the shaft, and J is the polar moment of inertia. Understanding this relationship is crucial for engineers, as exceeding the material's yield strength can result in permanent deformation or even catastrophic failure.Moreover, torsional dynamics play a significant role in the performance of mechanical systems such as vehicles and machinery. For example, in automotive engineering, the drive shafts must be designed to handle torsional loads without failing. Engineers often conduct torsional vibration analysis to ensure that the components can withstand the stresses during operation. This analysis helps in predicting potential issues such as vibrations that can lead to discomfort for passengers or damage to the vehicle over time.In addition to mechanical applications, torsional effects are also present in biological systems. For instance, the human body experiences torsional forces during various physical activities, such as running or jumping. The bones and muscles must work together to manage these forces effectively to prevent injuries. Understanding the torsional dynamics in biomechanics can help in developing better training programs and rehabilitation techniques for athletes.Furthermore, advancements in materials science have led to the development of new materials that can better withstand torsional stresses. Composite materials, for example, offer high strength-to-weight ratios and can be engineered to exhibit improved torsional resistance. This innovation has broad implications, from aerospace engineering, where weight savings are critical, to civil engineering, where the durability of structures is paramount.In conclusion, the importance of understanding torsional (扭转的) mechanics cannot be overstated. Whether in engineering, biology, or materials science, the principles of torsional forces and their effects on materials and structures are fundamental to ensuring safety and efficiency. As technology continues to advance, the study of torsional dynamics will remain a key area of research, leading to safer designs and improved performance across various fields.