elastic hysteresis

简明释义

弹性滞后

英英释义

Elastic hysteresis refers to the phenomenon where a material exhibits different stress-strain behavior during loading and unloading cycles, leading to energy dissipation in the form of heat.

弹性滞后是指材料在加载和卸载过程中表现出不同的应力-应变行为,从而导致能量以热的形式耗散。

例句

1.Understanding elastic hysteresis 弹性滞后 helps in improving the durability of materials used in construction.

理解弹性滞后有助于提高建筑材料的耐久性。

2.The concept of elastic hysteresis 弹性滞后 is often applied in the analysis of seismic responses in structures.

在结构的地震响应分析中,弹性滞后的概念常被应用。

3.The study of elastic hysteresis 弹性滞后 in rubber materials is crucial for understanding their energy loss during deformation.

对橡胶材料中弹性滞后的研究对于理解其在变形过程中的能量损失至关重要。

4.Engineers must consider elastic hysteresis 弹性滞后 when designing components that will undergo repetitive loading.

工程师在设计将经历重复加载的组件时,必须考虑弹性滞后

5.In biomechanics, elastic hysteresis 弹性滞后 can affect how tendons and ligaments behave under stress.

在生物力学中,弹性滞后可能影响肌腱和韧带在应力下的表现。

作文

In the realm of materials science and engineering, understanding the behavior of materials under stress is crucial. One phenomenon that often comes into play is elastic hysteresis. This term refers to the energy loss that occurs in a material when it is subjected to cyclic loading and unloading. To grasp this concept fully, we must first look at the definitions of elasticity and hysteresis separately. Elasticity describes a material's ability to return to its original shape after being deformed. Hysteresis, on the other hand, is the lag between input and output in a system, particularly evident during cyclic processes. When we combine these two ideas, we see that elastic hysteresis characterizes the behavior of materials that do not perfectly return to their original state after being deformed. This is particularly important in applications where materials are frequently loaded and unloaded, such as in rubber bands, springs, and even in biological tissues.The significance of elastic hysteresis can be observed in various real-world applications. For instance, in automotive engineering, the tires of vehicles experience repeated deformation as they roll over surfaces. The energy lost due to elastic hysteresis in the tire material contributes to fuel inefficiency and heat generation. Understanding this behavior allows engineers to design better tires that minimize energy loss, thereby improving overall vehicle performance.Another area where elastic hysteresis plays a vital role is in the design of earthquake-resistant structures. Buildings must be able to withstand the forces exerted by seismic activity without sustaining permanent damage. By selecting materials with favorable elastic hysteresis properties, engineers can ensure that a building can absorb and dissipate energy during an earthquake, reducing the likelihood of structural failure.Furthermore, elastic hysteresis is also significant in the field of biomechanics. Biological tissues exhibit elastic hysteresis when subjected to repetitive loading, such as muscles and tendons during physical activities. This behavior can influence how athletes train and recover, as understanding the energy loss in these tissues can help in preventing injuries and optimizing performance.Despite its importance, elastic hysteresis is sometimes overlooked in material selection and design processes. Engineers and designers must consider the implications of this phenomenon to create more efficient and durable products. By doing so, they can enhance performance and longevity in various applications, from everyday consumer goods to critical infrastructure.In conclusion, elastic hysteresis is a fundamental concept in materials science that encompasses the energy loss associated with cyclic loading and unloading. Its relevance spans multiple fields, including automotive engineering, structural design, and biomechanics. A deeper understanding of elastic hysteresis can lead to improved material choices and better designs, ultimately benefiting both manufacturers and consumers alike. As our understanding of materials continues to evolve, so too will the significance of elastic hysteresis in advancing technology and enhancing our daily lives.

在材料科学和工程领域,理解材料在应力下的行为至关重要。一个经常出现的现象是弹性滞后。这个术语指的是材料在经历循环加载和卸载时发生的能量损失。要充分理解这一概念,我们首先需要分别了解弹性和滞后这两个定义。弹性描述了材料在变形后恢复到原始形状的能力。而滞后则是指系统中输入和输出之间的滞后,尤其在循环过程中表现得尤为明显。当我们将这两个概念结合起来时,我们发现弹性滞后描述了那些在变形后并不完全恢复到其原始状态的材料的行为。这在频繁加载和卸载的应用中尤为重要,例如橡皮筋、弹簧甚至生物组织。弹性滞后的重要性可以在各种现实应用中观察到。例如,在汽车工程中,车辆的轮胎在滚动过表面时经历反复变形。由于轮胎材料中的弹性滞后而导致的能量损失会影响燃油效率并产生热量。理解这种行为使工程师能够设计出更好的轮胎,以最小化能量损失,从而提高整体车辆性能。另一个弹性滞后发挥重要作用的领域是抗震结构的设计。建筑物必须能够承受地震活动施加的力量,而不造成永久性损坏。通过选择具有良好弹性滞后特性的材料,工程师可以确保建筑物在地震期间能够吸收和耗散能量,从而降低结构失效的可能性。此外,弹性滞后在生物力学领域也具有重要意义。当生物组织如肌肉和肌腱在体育活动中受到重复加载时,它们会表现出弹性滞后的特性。这种行为可能会影响运动员的训练和恢复,因为理解这些组织中的能量损失可以帮助预防伤害并优化表现。尽管弹性滞后的重要性不容忽视,但在材料选择和设计过程中有时会被忽略。工程师和设计师必须考虑这一现象的影响,以创造出更高效和耐用的产品。通过这样做,他们可以提高各种应用中的性能和使用寿命,从日常消费品到关键基础设施。总之,弹性滞后是材料科学中的一个基本概念,涵盖了与循环加载和卸载相关的能量损失。它在多个领域具有相关性,包括汽车工程、结构设计和生物力学。对弹性滞后的深入理解可以导致更好的材料选择和设计,最终使制造商和消费者都受益。随着我们对材料理解的不断发展,弹性滞后在推动技术进步和改善我们日常生活中的重要性也将不断增强。

相关单词

elastic

elastic详解:怎么读、什么意思、用法

hysteresis

hysteresis详解:怎么读、什么意思、用法