modulus of rigidity

简明释义

抗剪模量

英英释义

例句

1.A higher modulus of rigidity means that the material is stiffer and more resistant to deformation.

更高的刚度模量意味着材料更坚硬，更能抵抗变形。

2.The modulus of rigidity is critical in applications like bridges and buildings where structural integrity is vital.

在桥梁和建筑等结构完整性至关重要的应用中，刚度模量是关键。

3.The engineer calculated the modulus of rigidity to determine how much the material would deform under stress.

工程师计算了刚度模量以确定材料在应力下的变形程度。

4.In the design phase, we must consider the modulus of rigidity of the components to ensure stability.

在设计阶段，我们必须考虑组件的刚度模量以确保稳定性。

5.Materials with low modulus of rigidity are often used in applications requiring flexibility.

低刚度模量的材料通常用于需要灵活性的应用中。

作文

The concept of modulus of rigidity is essential in the field of materials science and engineering. It refers to the measure of a material's ability to resist deformation under shear stress. In simpler terms, it quantifies how much a material will deform when subjected to forces that tend to twist or shear it. Understanding the modulus of rigidity is crucial for engineers and designers, as it helps them select the appropriate materials for various applications, ensuring safety and functionality in structures and products.When we talk about the modulus of rigidity, it is often expressed in terms of shear modulus (G), which is defined as the ratio of shear stress to shear strain within the elastic limit of a material. This ratio provides insights into how a material behaves when forces are applied parallel to its surface. For example, metals typically have a high modulus of rigidity, meaning they can withstand significant shear forces without deforming excessively. On the other hand, rubber has a low modulus of rigidity, making it more flexible and able to deform easily under similar conditions.In practical applications, the modulus of rigidity plays a vital role in various industries. In civil engineering, for instance, understanding the shear properties of materials like concrete and steel is necessary for designing safe and durable structures. If the modulus of rigidity of a material is too low, it may lead to excessive deformation, compromising the integrity of buildings, bridges, and other infrastructures.Moreover, the modulus of rigidity is not only important for static loads but also for dynamic situations where materials are subjected to fluctuating forces. For example, in automotive engineering, the suspension system must be designed considering the modulus of rigidity of different materials to ensure that vehicles can handle road irregularities while providing comfort to passengers.Furthermore, the modulus of rigidity is also significant in the field of biomechanics. Understanding how biological tissues respond to shear forces can help in designing better medical implants and prosthetics. For instance, the materials used in hip replacements must have an appropriate modulus of rigidity to mimic the natural movement of bones and joints, ensuring that they function effectively without causing discomfort or injury.In conclusion, the modulus of rigidity is a fundamental property that influences how materials behave under shear forces. Its implications stretch across various fields, from construction to automotive design and biomedical applications. By comprehensively understanding the modulus of rigidity, engineers and scientists can make informed decisions regarding material selection and application, ultimately leading to safer and more efficient designs. As technology advances, the importance of accurately measuring and applying the modulus of rigidity will only continue to grow, highlighting the need for ongoing research and innovation in material science.

“刚度模量”是材料科学和工程领域中的一个重要概念。它指的是材料在剪切应力下抵抗变形的能力的度量。简单来说，它量化了材料在受到扭转或剪切力时会变形多少。理解“刚度模量”对工程师和设计师至关重要，因为它帮助他们选择适合各种应用的材料，从而确保结构和产品的安全性和功能性。当我们谈论“刚度模量”时，通常用剪切模量（G）来表示，它被定义为材料在弹性极限内剪切应力与剪切应变的比率。这个比率提供了材料在施加平行于其表面的力时的行为的见解。例如，金属通常具有较高的“刚度模量”，这意味着它们能够承受显著的剪切力而不会过度变形。另一方面，橡胶的“刚度模量”较低，使其在类似条件下更具柔韧性，更容易变形。在实际应用中，“刚度模量”在各个行业中发挥着重要作用。在土木工程中，例如，了解混凝土和钢材等材料的剪切特性对于设计安全耐用的结构是必要的。如果材料的“刚度模量”过低，可能导致过度变形，从而危及建筑物、桥梁和其他基础设施的完整性。此外，“刚度模量”不仅对静态负载重要，在动态情况下材料受到波动力时也很重要。例如，在汽车工程中，悬挂系统的设计必须考虑不同材料的“刚度模量”，以确保车辆能够处理道路不规则性，同时为乘客提供舒适感。此外，“刚度模量”在生物力学领域也很重要。了解生物组织如何响应剪切力可以帮助设计更好的医疗植入物和假肢。例如，髋关节置换手术中使用的材料必须具有适当的“刚度模量”，以模拟骨骼和关节的自然运动，确保它们有效运作而不会引起不适或伤害。总之，“刚度模量”是影响材料在剪切力下行为的基本属性。它的影响跨越多个领域，从建筑到汽车设计以及生物医学应用。通过全面理解“刚度模量”，工程师和科学家可以在材料选择和应用上做出明智的决策，最终导致更安全和更高效的设计。随着技术的进步，准确测量和应用“刚度模量”的重要性只会继续增长，这突显了材料科学中持续研究和创新的必要性。