maximum deflection
简明释义
最大偏转
英英释义
Maximum deflection refers to the greatest displacement or bending of a structural element, such as a beam or a bridge, under applied loads. | 最大挠度是指在施加荷载下,结构元素(如梁或桥)发生的最大位移或弯曲。 |
例句
1.To improve performance, we need to reduce the maximum deflection 最大挠度 of the floor joists.
为了提高性能,我们需要减少地板托梁的最大挠度 最大挠度。
2.In structural engineering, the maximum deflection 最大挠度 is a critical factor for safety.
在结构工程中,最大挠度 最大挠度 是安全的重要因素。
3.The engineer reported that the maximum deflection 最大挠度 of the cantilever was within the design limits.
工程师报告称,悬臂的最大挠度 最大挠度 在设计限制范围内。
4.The calculations showed that the maximum deflection 最大挠度 of the bridge would be within acceptable standards.
计算结果显示,桥梁的最大挠度 最大挠度 将在可接受标准之内。
5.The beam design must ensure that the maximum deflection 最大挠度 does not exceed the allowable limits.
梁的设计必须确保最大挠度 最大挠度 不超过允许的极限。
作文
In the field of engineering and physics, particularly in structural analysis, the term maximum deflection refers to the greatest displacement of a beam or structure from its original position under load. Understanding maximum deflection is crucial for ensuring that structures can withstand various forces without failing. For example, when designing bridges, engineers must calculate the maximum deflection to ensure that the bridge can support the weight of vehicles and pedestrians without sagging excessively. If the maximum deflection exceeds certain limits, it could lead to structural failure or discomfort for users. To illustrate, consider a simple cantilever beam fixed at one end and subjected to a load at the free end. As the load is applied, the beam bends, and its free end moves downward. The point at which the beam experiences the most significant downward movement is referred to as the maximum deflection. Engineers often use mathematical formulas derived from the principles of mechanics to predict this behavior. For instance, the maximum deflection can be calculated using the formula: δ = (PL^3) / (3EI), where P is the load, L is the length of the beam, E is the modulus of elasticity, and I is the moment of inertia. This equation highlights how different factors influence the maximum deflection, including material properties and geometric dimensions.In practical applications, controlling maximum deflection is essential not only for safety but also for functionality. In buildings, excessive deflection can cause doors and windows to misalign, making them difficult to open or close. In mechanical systems, such as cranes or lifts, too much deflection can lead to operational inefficiencies and potential hazards. Therefore, engineers must adhere to specific deflection limits established by building codes and standards, which vary depending on the type of structure and its intended use.Moreover, advancements in technology have allowed for more accurate predictions of maximum deflection. Finite element analysis (FEA) software enables engineers to simulate how structures will behave under various loads, providing insights into where reinforcement may be necessary to minimize deflection. This predictive capability is invaluable in the design process, allowing for safer and more efficient structures.In summary, the concept of maximum deflection is fundamental in engineering and architecture. It encompasses not only the physical response of materials to applied loads but also the implications for safety, functionality, and design. By understanding and calculating maximum deflection, engineers can create structures that are not only strong and durable but also comfortable and practical for everyday use. As we continue to innovate and improve our engineering practices, the importance of managing maximum deflection will only grow, ensuring that our built environment remains safe and effective for generations to come.
在工程和物理学领域,特别是在结构分析中,术语最大挠度指的是在载荷作用下,梁或结构从其原始位置的最大位移。理解最大挠度对于确保结构能够承受各种力而不发生失效至关重要。例如,在设计桥梁时,工程师必须计算最大挠度以确保桥梁能够支持车辆和行人的重量,而不会过度下垂。如果最大挠度超过某些限制,可能会导致结构失效或使用者的不适。为了说明这一点,考虑一个简单的悬臂梁,该梁一端固定,另一端承受载荷。当施加载荷时,梁会弯曲,其自由端向下移动。梁经历最大下移的点被称为最大挠度。工程师通常使用源自力学原理的数学公式来预测这种行为。例如,最大挠度可以通过以下公式计算:δ = (PL^3) / (3EI),其中P是载荷,L是梁的长度,E是弹性模量,I是惯性矩。这个方程突显了不同因素如何影响最大挠度,包括材料特性和几何尺寸。在实际应用中,控制最大挠度不仅对安全至关重要,而且对功能性也至关重要。在建筑物中,过度的挠度可能导致门窗错位,使其难以打开或关闭。在机械系统中,例如起重机或电梯,过多的挠度可能导致操作效率低下和潜在危险。因此,工程师必须遵守建筑规范和标准所规定的特定挠度限制,这些限制因结构类型和预期用途而异。此外,技术的进步使得对最大挠度的预测更加准确。有限元分析(FEA)软件使工程师能够模拟结构在各种载荷下的行为,从而提供有关在哪些地方需要加固以最小化挠度的见解。这种预测能力在设计过程中是无价的,使得结构更安全、更高效。总之,最大挠度的概念在工程和建筑中是基础性的。它不仅涵盖了材料对施加载荷的物理响应,还涉及安全、功能性和设计的影响。通过理解和计算最大挠度,工程师可以创建既强大又耐用的结构,同时也为日常使用提供舒适和实用。随着我们继续创新和改善工程实践,管理最大挠度的重要性只会增加,确保我们的建筑环境在未来几代人中保持安全和有效。
相关单词