viscoelasticity

简明释义

英[ˈvɪskəʊɪlæsˈtɪsɪti]美[ˈvɪskoʊɪlæsˈtɪsɪti]

n. [力] 粘弹性；黏弹性

英英释义

单词用法

同义词

反义词

例句

1.The energy dissipation of material is related to some factors such as the viscoelasticity and the homogeneity in interface.

材料的能量耗散与材料的粘弹性和界面的不均匀性等因素有关。

2.Objective To investigate the effect of vasal viscoelasticity on wall shear stress of pulsatile flow under the influence of Rolling Massage.

目的研究血管粘弹性对脉动血流在扌衮法推拿作用下切应力的影响。

3.A calculation method of contact problem of plastic gears based on three parameters model of viscoelasticity material is presented.

本文在粘弹性材料三参数模型的基础上建立了塑料齿轮接触问题的计算方法。

4.Viscoelasticity theory is of great importance in study on mechanic properties of wood composite material.

粘弹性理论在对木质复合材料力学性能的研究中起着特殊重要的作用。

5.Conclusion The semilunar plates is viscoelasticity body.

结论半月板为粘弹性体。

6.Decreasing interfacial tension or enhancing the viscoelasticity or displacement velocity is favorable to increasing the displacement efficiency of oil film.

降低界面张力、增强驱油剂的黏弹性、增加驱替速度，有利于提高驱替残余油膜的驱替效率。

7.Viscoelasticity was analyzed by the special three element standard linear solid model.

粘弹性分析采用特殊的三元素标准线性固体模型拟合实验数据。

8.Dynamic response of viscoelasticity structure is analyzed based on nearly incompressible finite element method.

采用近似不可压缩有限元方法，分析了粘弹性结构的动力响应。

9.Based on theories of viscoelasticity and heat transfer, the stress field of reflective crack under the temperature field is studied by finite element simulation.

考虑了沥青混合料的热粘弹特性，结合热传导理论，通过有限元数值模拟，研究在温度场作用下反射裂纹的应力场。

10.The rubber band demonstrates significant viscoelasticity 粘弹性 when stretched and released.

橡皮筋在被拉伸和释放时表现出显著的粘弹性。

11.In biomedical applications, understanding the viscoelasticity 粘弹性 of tissues is crucial for designing implants.

在生物医学应用中，理解组织的粘弹性对设计植入物至关重要。

12.The viscoelasticity 粘弹性 of asphalt affects the durability of road surfaces.

沥青的粘弹性影响道路表面的耐久性。

13.Polymer scientists study the viscoelasticity 粘弹性 of materials to improve their performance.

聚合物科学家研究材料的粘弹性以提高其性能。

14.The viscoelasticity 粘弹性 of biological fluids can influence drug delivery systems.

生物液体的粘弹性可能会影响药物输送系统。

作文

The term viscoelasticity refers to the property of materials that exhibit both viscous and elastic characteristics when undergoing deformation. This unique behavior is crucial in understanding how certain materials respond to stress and strain, making it an essential concept in fields such as materials science, engineering, and biology. In simple terms, materials that demonstrate viscoelasticity will deform like a viscous fluid under a constant load, but will return to their original shape like an elastic solid once the load is removed. To illustrate this concept, consider a rubber band. When you stretch a rubber band, it elongates significantly; this is where its elastic properties come into play. However, if you hold the rubber band stretched for an extended period, it will slowly begin to sag. This sagging is due to the viscous nature of the material, which allows it to flow over time under constant stress. Thus, the combination of these two behaviors—elastic recovery and viscous flow—defines the viscoelasticity of the rubber band. Understanding viscoelasticity is particularly important in the design of materials used in various applications. For instance, in the automotive industry, components such as tires and suspension systems must be designed to withstand dynamic loads while maintaining comfort and performance. The viscoelasticity of rubber compounds used in tires allows them to absorb shocks and provide a smooth ride, while also returning to their original shape after deformation. Similarly, in biomedical engineering, materials used in implants and prosthetics often need to mimic the viscoelasticity of human tissues to ensure compatibility and functionality within the body. Moreover, the study of viscoelasticity extends beyond solid materials. Fluids can also exhibit viscoelasticity, particularly in complex fluids like polymers and biological fluids. For example, the behavior of mucus in the human respiratory system can be described by its viscoelasticity. Mucus must be viscous enough to trap particles and pathogens, yet elastic enough to facilitate movement and clearance from the airways. Understanding the viscoelasticity of mucus is essential for developing treatments for respiratory diseases. In conclusion, viscoelasticity is a fundamental property that characterizes how materials behave under stress. It combines the features of viscosity and elasticity, allowing materials to deform and recover in unique ways. This property is vital across various industries, from automotive to biomedical engineering, influencing the design and functionality of countless products. As researchers continue to explore the implications of viscoelasticity, we gain deeper insights into material behavior, leading to innovations that enhance performance and improve quality of life. In summary, viscoelasticity (粘弹性) is not just a scientific term; it is a key principle that underlies many everyday materials and phenomena. By grasping the concept of viscoelasticity, we can better appreciate the complexity of the materials that surround us and the advanced technologies that rely on them.

术语viscoelasticity（粘弹性）指的是材料在变形时表现出粘性和弹性特征的属性。这种独特的行为对于理解某些材料在应力和应变下的反应至关重要，使其成为材料科学、工程学和生物学等领域的重要概念。简单来说，表现出viscoelasticity的材料在恒定负载下会像粘性流体一样变形，但在去除负载后又会像弹性固体一样恢复到原始形状。 为了说明这一概念，可以考虑橡皮筋。当你拉伸橡皮筋时，它会显著延长；这就是它的弹性特性发挥作用的地方。然而，如果你长时间保持橡皮筋被拉伸，它会慢慢开始下垂。这种下垂是由于材料的粘性特性，使其在恒定应力下随着时间的推移而流动。因此，这两种行为的结合——弹性恢复和粘性流动——定义了橡皮筋的viscoelasticity。 理解viscoelasticity在设计用于各种应用的材料中尤为重要。例如，在汽车工业中，轮胎和悬挂系统等组件必须设计得能够承受动态载荷，同时保持舒适性和性能。用于轮胎的橡胶化合物的viscoelasticity使其能够吸收冲击并提供平稳的驾驶体验，同时在变形后恢复到原始形状。同样，在生物医学工程中，植入物和假肢中使用的材料通常需要模拟人体组织的viscoelasticity，以确保与身体的兼容性和功能性。 此外，viscoelasticity的研究不仅限于固体材料。流体也可以表现出viscoelasticity，特别是在复杂流体如聚合物和生物液体中。例如，人类呼吸系统中粘液的行为可以用其viscoelasticity来描述。粘液必须具有足够的粘性来捕获颗粒和病原体，同时又必须具有足够的弹性以促进运动和清除气道。理解粘液的viscoelasticity对于开发呼吸系统疾病的治疗至关重要。 总之，viscoelasticity是一个基本特性，表征材料在应力作用下的行为。它结合了粘度和弹性的特征，使材料以独特的方式变形和恢复。这一特性在各个行业中至关重要，从汽车到生物医学工程，影响着无数产品的设计和功能。随着研究人员继续探索viscoelasticity的影响，我们对材料行为的深入了解将带来创新，提升性能，提高生活质量。 总之，viscoelasticity（粘弹性）不仅是一个科学术语；它是许多日常材料和现象背后的关键原则。通过掌握viscoelasticity的概念，我们可以更好地欣赏围绕我们的材料的复杂性以及依赖于这些材料的先进技术。