cross-sectional deformation
简明释义
横断面变形
英英释义
Cross-sectional deformation refers to the change in shape or size of a material's cross-section when subjected to external forces or stresses. | 横截面变形是指材料在受到外力或应力作用时,横截面的形状或大小发生的变化。 |
例句
1.In this study, we measured the cross-sectional deformation 横截面变形 of various materials when exposed to heat.
在这项研究中,我们测量了不同材料在热暴露下的cross-sectional deformation 横截面变形。
2.The research focused on the cross-sectional deformation 横截面变形 of metal rods under tensile stress.
该研究集中于金属杆在拉伸应力下的cross-sectional deformation 横截面变形。
3.To improve the design, we need to minimize the cross-sectional deformation 横截面变形 during the manufacturing process.
为了改善设计,我们需要在生产过程中尽量减少cross-sectional deformation 横截面变形。
4.The engineer analyzed the cross-sectional deformation 横截面变形 of the beam under load to ensure safety.
工程师分析了梁在负载下的cross-sectional deformation 横截面变形以确保安全。
5.The results showed significant cross-sectional deformation 横截面变形 in the plastic samples after testing.
结果显示,塑料样品在测试后出现显著的cross-sectional deformation 横截面变形。
作文
In the field of engineering and materials science, understanding the behavior of materials under various conditions is crucial. One important concept that engineers often encounter is cross-sectional deformation, which refers to the change in shape or size of a material's cross-section when subjected to external forces. This phenomenon can significantly affect the performance and durability of structures, making it essential for engineers to analyze and predict how materials will respond to stress and strain.When a material is loaded, it experiences internal forces that attempt to maintain equilibrium. However, these forces can lead to cross-sectional deformation, altering the geometry of the material. For instance, when a beam is subjected to bending, its cross-section changes due to the distribution of stresses throughout its length. The top fibers of the beam may experience compression, while the bottom fibers undergo tension, leading to a distortion of the original shape.Understanding cross-sectional deformation is particularly important in the design of structural components. Engineers must ensure that the materials used can withstand the expected loads without undergoing excessive deformation. If the deformation is too great, it can compromise the integrity of the structure, potentially leading to failure. Therefore, calculating the allowable limits of cross-sectional deformation is a critical aspect of the design process.Moreover, different materials exhibit varying degrees of cross-sectional deformation under similar loading conditions. For example, ductile materials such as steel can undergo significant deformation before failure, allowing them to absorb energy and redistribute stress. In contrast, brittle materials like concrete may fail suddenly with little warning after only minimal deformation. This difference in behavior underscores the importance of selecting the appropriate materials for specific applications based on their cross-sectional deformation characteristics.In practical applications, engineers often use finite element analysis (FEA) to simulate how materials will behave under load. This computational method allows for a detailed examination of cross-sectional deformation and helps identify potential weak points in a design. By visualizing how a structure deforms, engineers can make informed decisions about modifications needed to enhance performance and safety.In conclusion, cross-sectional deformation is a fundamental concept in engineering that describes how materials change shape under load. Its implications are vast, affecting everything from the design of bridges and buildings to the manufacturing of everyday products. By understanding and accounting for cross-sectional deformation, engineers can create safer and more efficient structures that meet the demands of modern society. As technology advances, the methods for analyzing and predicting cross-sectional deformation will continue to improve, further enhancing our ability to design resilient materials and structures.
在工程和材料科学领域,理解材料在各种条件下的行为至关重要。工程师经常遇到的一个重要概念是截面变形,它指的是材料的截面在受到外力作用时形状或尺寸的变化。这种现象会显著影响结构的性能和耐久性,因此工程师必须分析和预测材料在应力和应变下的反应。当材料受载时,它会经历内部力,试图维持平衡。然而,这些力可能导致截面变形,改变材料的几何形状。例如,当一根梁受到弯曲时,由于应力在其长度上的分布,其截面就会发生变化。梁的顶部纤维可能经历压缩,而底部纤维则承受拉伸,导致原始形状的扭曲。理解截面变形在结构组件设计中尤为重要。工程师必须确保所使用的材料能够承受预期的载荷而不会发生过度变形。如果变形过大,将会危及结构的完整性,可能导致失效。因此,计算截面变形的允许极限是设计过程中的一个关键方面。此外,不同材料在相似载荷条件下表现出不同程度的截面变形。例如,像钢这样的延展性材料可以在失效前经历显著的变形,使其能够吸收能量并重新分配应力。相比之下,像混凝土这样的脆性材料可能在仅有微小变形后突然失效,几乎没有警告。这种行为差异强调了根据材料的截面变形特性选择适当材料的重要性。在实际应用中,工程师通常使用有限元分析(FEA)来模拟材料在载荷下的行为。这种计算方法允许对截面变形进行详细检查,并帮助识别设计中的潜在薄弱点。通过可视化结构如何变形,工程师可以做出关于增强性能和安全性所需修改的明智决策。总之,截面变形是工程中的一个基本概念,描述了材料在载荷下如何改变形状。其影响范围广泛,涉及从桥梁和建筑的设计到日常产品的制造。通过理解和考虑截面变形,工程师可以创造出更安全、更高效的结构,以满足现代社会的需求。随着技术的进步,分析和预测截面变形的方法将继续改进,进一步增强我们设计韧性材料和结构的能力。
相关单词