modulus of elasticity in shear

简明释义

剪切模数

英英释义

The modulus of elasticity in shear, also known as the shear modulus, is a measure of a material's ability to deform elastically (i.e., non-permanently) when subjected to shear stress. It quantifies the relationship between shear stress and shear strain in the linear elastic region of the material's behavior.

剪切弹性模量,也称为剪切模量,是衡量材料在施加剪切应力时弹性(即非永久性)变形能力的指标。它量化了材料在线性弹性区域内剪切应力与剪切应变之间的关系。

例句

1.Understanding the modulus of elasticity in shear 剪切弹性模量 helps engineers design safer structures.

理解modulus of elasticity in shear 剪切弹性模量有助于工程师设计更安全的结构。

2.The engineer calculated the modulus of elasticity in shear 剪切弹性模量 to determine how the material would behave under torsional loads.

工程师计算了modulus of elasticity in shear 剪切弹性模量以确定材料在扭转载荷下的行为。

3.In composite materials, the modulus of elasticity in shear 剪切弹性模量 is crucial for predicting performance under stress.

在复合材料中,modulus of elasticity in shear 剪切弹性模量对于预测应力下的性能至关重要。

4.During the testing phase, we measured the modulus of elasticity in shear 剪切弹性模量 to assess the strength of the new alloy.

在测试阶段,我们测量了modulus of elasticity in shear 剪切弹性模量以评估新合金的强度。

5.The modulus of elasticity in shear 剪切弹性模量 can vary significantly between different types of wood.

不同类型的木材之间,modulus of elasticity in shear 剪切弹性模量可能会有显著差异。

作文

The study of materials and their properties is crucial in various fields of engineering and architecture. One of the essential parameters that engineers consider when selecting materials is the modulus of elasticity in shear. This term refers to a measure of a material's ability to withstand shear stress without deforming. Understanding this property is vital for ensuring the structural integrity and performance of buildings, bridges, and other constructions.When a material is subjected to shear stress, it tends to deform in a way that causes layers of the material to slide past each other. The modulus of elasticity in shear quantifies how much a material will deform under such conditions. It is defined as the ratio of shear stress to the shear strain within the elastic limit of a material. This relationship allows engineers to predict how materials will behave when forces are applied parallel to their surfaces.For example, in the construction of a steel beam, the modulus of elasticity in shear plays a significant role in determining how the beam will perform under load. If the shear modulus is high, the beam will resist deformation effectively, maintaining its shape and structural integrity. Conversely, if the shear modulus is low, the beam may experience excessive deformation, leading to potential failure or collapse.Different materials exhibit different values of modulus of elasticity in shear. Metals, for instance, typically have a high shear modulus, making them suitable for applications where strength and rigidity are required. On the other hand, materials like rubber have a low shear modulus, allowing them to deform easily under shear stress. This property makes rubber ideal for applications such as shock absorbers, where flexibility and energy absorption are essential.In addition to its importance in material selection, the modulus of elasticity in shear is also critical in analyzing the behavior of composite materials. Engineers often use composite materials to achieve specific mechanical properties that cannot be obtained from traditional materials alone. By understanding the shear modulus of each component in a composite, engineers can predict the overall behavior of the material under shear forces, allowing for better design and optimization.Moreover, the modulus of elasticity in shear is not only relevant in static applications but also in dynamic situations where materials are subjected to fluctuating loads. For instance, in aerospace engineering, the materials used in aircraft must withstand not only static loads but also dynamic forces during flight. Therefore, knowing the shear modulus helps engineers ensure that these materials can endure the varying stress conditions without failing.In conclusion, the modulus of elasticity in shear is a fundamental property that influences the design and application of materials across various engineering disciplines. Its significance cannot be overstated, as it directly impacts the safety, reliability, and performance of structures and components. As technology advances and new materials are developed, understanding the shear modulus will continue to be essential for engineers striving to create innovative and robust designs.

材料及其性质的研究在各个工程和建筑领域中至关重要。工程师在选择材料时考虑的一个基本参数是剪切模量。这个术语指的是材料在不变形的情况下承受剪切应力的能力的度量。理解这一属性对于确保建筑、桥梁和其他结构的结构完整性和性能至关重要。当材料受到剪切应力时,它会以一种使材料的层相互滑动的方式发生变形。剪切模量量化了材料在这种条件下的变形程度。它被定义为材料在弹性极限内的剪切应力与剪切应变的比率。这种关系使工程师能够预测材料在施加平行于其表面的力量时的行为。例如,在钢梁的建造中,剪切模量在确定梁在负载下的表现方面起着重要作用。如果剪切模量高,梁将有效抵抗变形,保持其形状和结构完整性。相反,如果剪切模量低,梁可能会经历过度变形,从而导致潜在的失效或坍塌。不同材料表现出不同的剪切模量。例如,金属通常具有较高的剪切模量,使其适合于需要强度和刚度的应用。另一方面,像橡胶这样的材料具有较低的剪切模量,使其在剪切应力下容易变形。这一特性使得橡胶非常适用于诸如减震器等需要灵活性和能量吸收的应用。除了在材料选择中的重要性,剪切模量在分析复合材料的行为时也至关重要。工程师经常使用复合材料来实现无法从传统材料单独获得的特定机械性能。通过了解复合材料中每个组成部分的剪切模量,工程师可以预测材料在剪切力作用下的整体行为,从而更好地进行设计和优化。此外,剪切模量不仅在静态应用中相关,也在材料受到波动负载的动态情况下重要。例如,在航空航天工程中,飞机中使用的材料必须承受不仅是静态负载,还有飞行过程中动态力量。因此,了解剪切模量有助于工程师确保这些材料能够在不同的应力条件下承受而不失效。总之,剪切模量是影响各个工程学科材料设计和应用的基本属性。它的重要性不容小觑,因为它直接影响结构和组件的安全性、可靠性和性能。随着技术的发展和新材料的开发,理解剪切模量将继续是工程师努力创造创新和坚固设计的关键。

相关单词

modulus

modulus详解:怎么读、什么意思、用法