torsional stiffness
简明释义
扭转刚度
英英释义
Torsional stiffness is a measure of a material's resistance to twisting or rotational deformation when subjected to a torque. | 扭转刚度是材料在受到扭矩作用时抵抗扭曲或旋转变形的能力的量度。 |
例句
1.In structural engineering, increasing the torsional stiffness 扭转刚度 of a frame can improve overall safety.
在结构工程中,提高框架的扭转刚度 扭转刚度可以提高整体安全性。
2.A higher torsional stiffness 扭转刚度 can lead to better performance in racing cars, reducing body roll during turns.
更高的扭转刚度 扭转刚度可以提高赛车的性能,减少转弯时的车身侧倾。
3.The design of the bridge was optimized for maximum torsional stiffness 扭转刚度 to ensure stability during high winds.
桥梁的设计经过优化,以获得最大的扭转刚度 扭转刚度,以确保在强风中的稳定性。
4.The torsional stiffness 扭转刚度 of a beam is crucial for its ability to resist twisting forces.
梁的扭转刚度 扭转刚度对于抵抗扭转力至关重要。
5.Engineers often test the torsional stiffness 扭转刚度 of materials before selecting them for automotive applications.
工程师通常在选择材料用于汽车应用之前,测试其扭转刚度 扭转刚度。
作文
In the field of engineering, particularly in mechanical and structural design, the concept of torsional stiffness plays a crucial role in ensuring the stability and performance of various structures and components. torsional stiffness refers to the resistance of an object to twisting or rotational deformation when subjected to torque. This property is essential for materials and structures that experience torsional loads, as it directly influences their ability to maintain shape and integrity under stress.For instance, consider the design of a vehicle's chassis. The torsional stiffness of the chassis affects how well the vehicle can handle cornering forces. A chassis with high torsional stiffness will resist twisting when the vehicle turns, leading to better handling and improved ride quality. Conversely, a chassis with low torsional stiffness may flex and deform, resulting in poor handling characteristics and a less stable driving experience.In addition to automotive applications, torsional stiffness is also critical in the design of bridges and buildings. Engineers must account for the torsional stiffness of structural elements to ensure they can withstand wind loads, seismic activity, and other forces that may cause twisting. For example, tall buildings often incorporate materials and designs that enhance torsional stiffness, allowing them to remain upright and stable during high winds or earthquakes.The calculation of torsional stiffness involves understanding the geometry and material properties of the object in question. Typically, it is expressed in terms of torque per unit angle of twist, often measured in units such as Newton-meters per radian (Nm/rad). The formula for torsional stiffness can vary depending on the shape of the cross-section and the material used, but it generally involves factors such as the polar moment of inertia and the length of the object.Moreover, advancements in materials science have led to the development of composites and alloys that exhibit enhanced torsional stiffness. These materials allow engineers to create lighter and more efficient designs without compromising structural integrity. For example, carbon fiber composites are known for their high strength-to-weight ratio and excellent torsional stiffness, making them ideal for aerospace and high-performance automotive applications.In conclusion, understanding torsional stiffness is vital for engineers and designers across various fields. It impacts the performance, safety, and longevity of structures and components subjected to twisting forces. By considering torsional stiffness in their designs, engineers can create more robust and reliable products that meet the demands of modern engineering challenges. As technology continues to evolve, the importance of torsional stiffness will only grow, driving innovation in materials and structural design to achieve greater efficiency and performance.
在工程领域,特别是在机械和结构设计中,扭转刚度的概念在确保各种结构和组件的稳定性和性能方面发挥着至关重要的作用。扭转刚度是指物体在受到扭矩作用时抵抗扭曲或旋转变形的能力。这一特性对于承受扭转载荷的材料和结构至关重要,因为它直接影响到它们在应力下保持形状和完整性的能力。例如,考虑一辆汽车底盘的设计。底盘的扭转刚度会影响车辆如何处理转弯时的力。具有高扭转刚度的底盘在车辆转弯时将抵抗扭曲,从而导致更好的操控性和改善的乘坐质量。相反,具有低扭转刚度的底盘可能会弯曲和变形,导致操控特性差和驾驶体验不稳定。除了汽车应用,扭转刚度在桥梁和建筑物的设计中也至关重要。工程师必须考虑结构元素的扭转刚度,以确保它们能够承受风载、地震活动和其他可能导致扭转的力量。例如,高层建筑通常采用增强扭转刚度的材料和设计,使其在强风或地震期间保持直立和稳定。扭转刚度的计算涉及理解所讨论物体的几何形状和材料特性。通常,它以单位扭转角度的扭矩来表示,常用单位如牛顿米每弧度(Nm/rad)。扭转刚度的公式可能因横截面的形状和所用材料而有所不同,但通常涉及极惯性矩和物体长度等因素。此外,材料科学的进步导致开发出具有增强扭转刚度的复合材料和合金。这些材料使工程师能够创建更轻、更高效的设计,而不牺牲结构的完整性。例如,碳纤维复合材料以其高强度与重量比和优良的扭转刚度而闻名,非常适合航空航天和高性能汽车应用。总之,理解扭转刚度对于各个领域的工程师和设计师至关重要。它影响到承受扭转载荷的结构和组件的性能、安全性和耐久性。通过在设计中考虑扭转刚度,工程师可以创造出更坚固可靠的产品,以满足现代工程挑战的需求。随着技术的不断发展,扭转刚度的重要性只会增加,推动材料和结构设计的创新,以实现更大的效率和性能。
相关单词