deflections

简明释义

英[dɪˈflɛkʃənz]美[dɪˈflɛkʃənz]

n. 变形量；歪斜（deflection 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.This paper presents precise stiffness matrices for space trusses with large deflections, such as tall towers, guyed masts, and latticed columns, .

本文推导了高耸塔架、拉绳塔和缀条柱等空间桁架在大位移下的精确刚度矩阵。

2.The results show that: the model constants and the measured deflections under the changing load are very close to the model theoretical values.

结果表明：模型常数以及在变载作用下的实测挠度值和模型的理论值有较高的拟合度。

3.And on the right, you notice that there are many of those sharp deflections.

在右侧，大家看到，有很多明显的变位。

4.This permits the roller set to align freely in the outer-ring raceway, thus compensating for misalignments and shaft deflections (see Figure 1.43).

这允许设置为自由对齐辊在外圈滚道，从而为失调和轴挠度进行补偿(见图1.43)。

5.Where the Green function is obtained by the sum of the half-plane solution for surface displacement and beam theory deflections.

其中格林函数是由半平面的位移解，梁的挠度理论求得。

6.This paper presents a new perturbation method of analysis to solve large deflections problems of plates and shells-Free-Parameter perturbation method (FPPM).

本文的主要目的是介绍一种求解轴对称板壳大挠度问题的新的正则摄动方法——自由参数摄动法。

7.A set of linear ordinary differential equations in the case of sm all deflections is determined by application of the Galerkin's method.

在小变形情况下，运用伽辽金方法，可将偏微分方程转换为线性常微分方程组进行求解。

8.The engineer measured the deflections of the bridge under various loads to ensure its safety.

工程师测量了桥在不同荷载下的偏移以确保其安全。

9.In the physics lab, we observed the deflections of light when it passed through a prism.

在物理实验室，我们观察到光通过棱镜时的偏折。

10.The report highlighted the deflections in the data that could indicate potential errors.

报告强调了数据中的偏差，这可能表明潜在的错误。

11.During the experiment, the deflections of the beam were recorded at different angles.

在实验过程中，记录了梁在不同角度下的偏移。

12.The architect designed the structure to minimize deflections caused by wind forces.

建筑师设计结构以最小化风力造成的偏移。

作文

In the world of physics and engineering, the concept of deflections (偏移) plays a crucial role in understanding how structures respond to various forces. When we think about bridges, buildings, or even simple beams, we often overlook the impact of weight and external loads on these structures. However, deflections are an essential consideration that engineers must account for when designing safe and efficient structures. Deflection refers to the displacement of a structural element under load. For instance, when a beam is subjected to a force, it bends or deflects. The amount of this bending is what we call deflection. It can be caused by a variety of factors, including the material properties of the beam, its geometry, and the magnitude of the applied load. Understanding deflections is vital because excessive deflection can lead to structural failure or serviceability issues, such as cracks in walls or misaligned doors. One common example of deflections can be seen in the construction of long-span bridges. Engineers must carefully calculate the expected deflections that will occur due to the weight of vehicles traveling across the bridge. If the deflections are too great, it can compromise the integrity of the bridge, potentially leading to dangerous situations. To mitigate these risks, engineers use materials with high tensile strength and design the bridge with appropriate support systems to limit deflections. Moreover, deflections are not only significant in large structures but also in everyday items. Consider a simple bookshelf. When books are placed on a shelf, the weight causes the shelf to bend slightly. This bending is a form of deflection. If the shelf is made of weak material or if too many heavy books are placed on it, the deflections could exceed what the shelf can handle, resulting in a collapse. The study of deflections extends beyond just physical structures; it also applies to various fields such as aerospace, automotive, and even biomechanics. In aerospace engineering, for example, the wings of an aircraft experience deflections during flight due to aerodynamic forces. Engineers must ensure that these deflections do not exceed safe limits to maintain the aircraft's performance and safety. In conclusion, deflections (偏移) are a fundamental aspect of structural engineering that cannot be ignored. They influence the design and safety of structures, from bridges to bookshelves. By understanding how deflections work and how to manage them, engineers can create safer, more reliable structures that withstand the forces they encounter. As we continue to innovate and build, the importance of considering deflections will remain a key factor in engineering design.

在物理和工程的世界中，deflections（偏移）的概念在理解结构如何响应各种力量方面起着至关重要的作用。当我们想到桥梁、建筑物或甚至简单的梁时，我们常常忽视了重量和外部负荷对这些结构的影响。然而，deflections 是工程师在设计安全和高效结构时必须考虑的重要因素。 偏移是指结构元素在负载下的位移。例如，当一根梁受到力的作用时，它会弯曲或偏移。这个弯曲的量就是我们所称的deflection。它可以由多种因素引起，包括梁的材料特性、几何形状和施加负载的大小。理解deflections至关重要，因为过度的偏移可能导致结构失效或服务性问题，例如墙壁开裂或门对不齐。 一个常见的deflections例子可以在长跨度桥梁的建设中看到。工程师必须仔细计算由于车辆在桥上行驶而发生的预期deflections。如果deflections过大，可能会危及桥梁的完整性，从而导致危险情况。为了减轻这些风险，工程师使用高抗拉强度的材料，并设计适当的支撑系统以限制deflections。 此外，deflections不仅在大型结构中重要，在日常物品中也同样适用。考虑一个简单的书架。当书籍放在书架上时，重量会导致书架稍微弯曲。这种弯曲是一种deflection。如果书架由弱材料制成，或者放置了过多的重书，deflections可能会超过书架能够承受的范围，导致倒塌。 对deflections的研究不仅限于物理结构；它还适用于航空航天、汽车甚至生物力学等多个领域。在航空航天工程中，例如，飞机的机翼在飞行中由于气动力的作用会经历deflections。工程师必须确保这些deflections不会超过安全极限，以保持飞机的性能和安全性。 总之，deflections（偏移）是结构工程中的一个基本方面，不能被忽视。它们影响着从桥梁到书架的结构设计和安全性。通过理解deflections的工作原理以及如何管理它们，工程师可以创造出更安全、更可靠的结构，能够承受它们所遇到的力量。随着我们继续创新和建设，考虑deflections的重要性将始终是工程设计中的关键因素。