modulus of rigidity

简明释义

剪切模数

英英释义

例句

1.The modulus of rigidity (刚性模量) is a critical property in determining how materials deform under shear stress.

刚性模量是确定材料在剪切应力下如何变形的关键属性。

2.In the automotive industry, the modulus of rigidity (刚性模量) of materials affects vehicle handling and performance.

在汽车工业中，材料的刚性模量影响车辆的操控性和性能。

3.Engineers often refer to the modulus of rigidity (刚性模量) when designing structures that require high stability.

工程师在设计需要高稳定性的结构时，常常提到刚性模量。

4.When comparing metals, the modulus of rigidity (刚性模量) can help predict which will perform better under load.

在比较金属时，刚性模量可以帮助预测哪些在负载下表现更好。

5.A higher modulus of rigidity (刚性模量) indicates that a material is less likely to deform under applied forces.

较高的刚性模量表明材料在施加力的情况下不易变形。

作文

The concept of the modulus of rigidity is fundamental in the field of materials science and engineering. It refers to a material's ability to resist deformation under shear stress. In simpler terms, it measures how much a material will deform when a force is applied parallel to its surface. This property is crucial for engineers and designers when selecting materials for various applications, from construction to manufacturing. Understanding the modulus of rigidity allows engineers to predict how a material will behave under different loading conditions. For instance, when designing buildings, engineers must consider how the walls and beams will respond to wind loads or earthquakes. A high modulus of rigidity indicates that a material is stiffer and will deform less under such stresses, making it suitable for structures that need to withstand significant forces. Conversely, materials with a low modulus of rigidity may be more flexible and can absorb energy, which might be desirable in applications like shock absorbers or springs.The modulus of rigidity is mathematically defined as the ratio of shear stress to the shear strain in a material. Shear stress is the force applied per unit area, while shear strain is the amount of deformation experienced by the material. The formula can be expressed as:Modulus of Rigidity (G) = Shear Stress (τ) / Shear Strain (γ)This relationship highlights the direct correlation between the applied stress and the resulting strain, allowing engineers to calculate the expected deformation of materials under various conditions. Different materials exhibit varying values of modulus of rigidity. For example, metals generally have a high modulus of rigidity, making them ideal for structural applications. In contrast, rubber has a low modulus of rigidity, which makes it excellent for applications requiring flexibility and cushioning. Understanding these differences is essential for selecting the right material for a specific application.Another important aspect of the modulus of rigidity is its temperature dependence. As temperatures increase, many materials experience a decrease in their modulus of rigidity, which can lead to increased deformation under load. This phenomenon is particularly relevant in industries where materials are exposed to fluctuating temperatures, such as aerospace or automotive applications. Engineers must account for these changes to ensure the safety and reliability of their designs.In conclusion, the modulus of rigidity is a critical property that influences the performance of materials in engineering applications. Its importance cannot be overstated, as it helps engineers make informed decisions about material selection and design. By understanding the modulus of rigidity, engineers can create safer, more efficient structures and products that meet the demands of modern society.

刚度模量的概念在材料科学和工程领域中是基础性的。它指的是材料在剪切应力下抵抗变形的能力。简单来说，它衡量了当施加平行于表面的力时，材料会变形多少。这一属性对于工程师和设计师在选择各种应用的材料时至关重要，从建筑到制造业都需要考虑。理解刚度模量使工程师能够预测材料在不同加载条件下的行为。例如，在设计建筑时，工程师必须考虑墙壁和梁如何响应风载或地震。高刚度模量表明材料更坚硬，在这些应力下变形较少，因此适合需要承受重大力量的结构。相反，刚度模量低的材料可能更灵活，可以吸收能量，这在如减震器或弹簧等应用中可能是理想的。刚度模量在数学上定义为材料中剪切应力与剪切应变的比率。剪切应力是施加的单位面积力，而剪切应变是材料经历的变形量。公式可以表示为：刚度模量 (G) = 剪切应力 (τ) / 剪切应变 (γ)这个关系突显了施加的应力与结果应变之间的直接相关性，使工程师能够计算材料在各种条件下的预期变形。不同材料表现出不同的刚度模量值。例如，金属通常具有高刚度模量，使其非常适合结构应用。相比之下，橡胶的刚度模量较低，这使其在需要灵活性和缓冲的应用中表现出色。理解这些差异对于选择特定应用的正确材料至关重要。刚度模量的另一个重要方面是其温度依赖性。随着温度的升高，许多材料的刚度模量会降低，这可能导致在负载下变形增加。这种现象在材料暴露于波动温度的行业中尤为相关，例如航空航天或汽车应用。工程师必须考虑这些变化，以确保设计的安全性和可靠性。总之，刚度模量是影响工程应用中材料性能的关键属性。它的重要性不容小觑，因为它帮助工程师就材料选择和设计做出明智的决策。通过理解刚度模量，工程师可以创造出更安全、更高效的结构和产品，以满足现代社会的需求。