flexural stiffness

简明释义

抗挠刚度

英英释义

例句

1.Engineers often calculate the flexural stiffness 挠曲刚度 to ensure structural integrity.

工程师常常计算flexural stiffness 挠曲刚度以确保结构的完整性。

2.Materials with high flexural stiffness 挠曲刚度 are preferred in construction for their strength.

在建筑中，优先选择具有高flexural stiffness 挠曲刚度的材料，以确保其强度。

3.Increasing the height of the beam can enhance its flexural stiffness 挠曲刚度 significantly.

增加梁的高度可以显著增强其flexural stiffness 挠曲刚度。

4.The flexural stiffness 挠曲刚度 of composite materials can be adjusted during manufacturing.

复合材料的flexural stiffness 挠曲刚度可以在制造过程中进行调整。

5.The beam's flexural stiffness 挠曲刚度 determines how much it will bend under a load.

梁的flexural stiffness 挠曲刚度 决定了在负载下它会弯曲多少。

作文

In the field of engineering and materials science, understanding the mechanical properties of materials is crucial for designing structures that can withstand various loads and stresses. One such important property is flexural stiffness, which refers to a material's resistance to bending when subjected to an external load. This property is particularly significant in applications where structural integrity is paramount, such as in bridges, buildings, and various mechanical components.The concept of flexural stiffness is defined mathematically as the ratio of the applied moment to the curvature of the beam. It is influenced by several factors, including the geometry of the beam, the material properties, and the boundary conditions under which the beam is supported. For instance, a beam with a larger moment of inertia will exhibit greater flexural stiffness, making it less prone to bending under load. Similarly, materials with higher modulus of elasticity will also contribute to increased flexural stiffness, ensuring that the structure remains stable and secure.When engineers design structures, they must consider how the flexural stiffness of the materials used will affect the overall performance of the system. For example, in the construction of a bridge, the beams must possess sufficient flexural stiffness to support the weight of vehicles and pedestrians without excessive deflection. If the flexural stiffness is inadequate, the bridge may experience sagging or even structural failure, posing serious safety risks.Furthermore, the choice of materials plays a significant role in achieving the desired flexural stiffness. Common materials used in construction, such as steel and concrete, are chosen not only for their strength but also for their ability to provide the necessary flexural stiffness. Engineers often perform calculations and simulations to predict how different materials and designs will behave under load, ensuring that the final structure meets safety and performance standards.In addition to traditional construction, flexural stiffness is also a critical consideration in the design of composite materials and advanced structures, such as those found in aerospace applications. In these cases, engineers must carefully balance weight and strength, as materials with high flexural stiffness can sometimes be heavier, which is undesirable in flight applications. Therefore, innovative materials and design techniques are often employed to optimize flexural stiffness while minimizing weight.In conclusion, flexural stiffness is a fundamental property that significantly influences the design and performance of structures in various engineering fields. Understanding this concept allows engineers to create safer, more efficient, and more reliable structures. As technology advances and new materials are developed, the importance of flexural stiffness will continue to be a key focus in engineering research and applications, ensuring that our built environment remains resilient and capable of supporting the demands of modern society.

在工程和材料科学领域，理解材料的机械性能对于设计能够承受各种载荷和应力的结构至关重要。其中一个重要的性能是弯曲刚度，它指的是材料在受到外部载荷时抵抗弯曲的能力。这个特性在结构完整性至关重要的应用中尤其重要，例如在桥梁、建筑物和各种机械组件中。弯曲刚度的概念在数学上定义为施加的弯矩与梁的曲率之间的比率。它受多个因素的影响，包括梁的几何形状、材料属性以及梁的支撑边界条件。例如，具有较大惯性矩的梁将表现出更大的弯曲刚度，使其在载荷下不易弯曲。同样，具有较高弹性模量的材料也将有助于增加弯曲刚度，确保结构保持稳定和安全。当工程师设计结构时，必须考虑所用材料的弯曲刚度如何影响系统的整体性能。例如，在桥梁的建造中，梁必须具备足够的弯曲刚度以支持车辆和行人的重量，而不会出现过度的挠曲。如果弯曲刚度不足，桥梁可能会出现下沉甚至结构失效，造成严重的安全隐患。此外，材料的选择在实现所需的弯曲刚度方面也起着重要作用。常用的建筑材料，如钢铁和混凝土，不仅因其强度而被选择，还因其能够提供必要的弯曲刚度。工程师通常会进行计算和模拟，以预测不同材料和设计在载荷下的行为，确保最终结构符合安全和性能标准。除了传统建筑外，弯曲刚度在复合材料和先进结构的设计中也是一个关键考虑因素，例如航空航天应用中的结构。在这些情况下，工程师必须仔细平衡重量和强度，因为具有高弯曲刚度的材料有时可能更重，这在飞行应用中是不可取的。因此，通常采用创新材料和设计技术来优化弯曲刚度的同时最小化重量。总之，弯曲刚度是一个基本特性，对各个工程领域的结构设计和性能有显著影响。理解这一概念使工程师能够创建更安全、更高效和更可靠的结构。随着技术的进步和新材料的发展，弯曲刚度的重要性将继续成为工程研究和应用的关键焦点，确保我们所建环境的韧性，能够支持现代社会的需求。