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相关概念视频

Elasticity01:12

Elasticity

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Elasticity is the ability of an object to withstand the effects of distortion and to return to its original size and shape once the forces causing deformation are removed. When an elastic material deforms under the action of an external force, it experiences internal resistance to the deformation. However, if no external force is applied, it returns to its original state.
The elasticity of an object can be described by a stress-strain curve, which represents the relationship between stress...
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The Availability Heuristic01:08

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A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):
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Elasticity in Concrete01:20

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Upon subjecting concrete to moderate or high uniaxial compressive or tensile stresses, the strain response is non-linear relative to the stress applied. As the stress is removed, the resulting stress-strain curve deviates from the original path traced during loading, creating a hysteresis loop, indicative of the concrete's non-linear and non-elastic properties. Typically, a material's modulus of elasticity, which is a measure of the material's stiffness, is inferred from the linear...
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Elastic Curve from the Load Distribution01:16

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The structural behavior of beams under distributed loads is critical for engineering analysis, which focuses on predicting how beams bend and react under such conditions. Different types of beams (e.g., cantilever, supported, or overhanging) behave differently under distributed load conditions.
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Elastic Strain Energy for Shearing Stresses01:20

Elastic Strain Energy for Shearing Stresses

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As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...
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Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
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Updated: Jun 5, 2025

Author Spotlight: Enhancing Cryo-Electron Microscopy by Automated Data Collection and Analysis Techniques
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边缘计算资源调度方法基于容器弹性缩放.

Huaijun Wang1, Erhao Deng1, Junhuai Li1

  • 1School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, Shaanxi, China.

PeerJ. Computer science
|December 9, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了边缘计算的弹性容器扩展策略,提高了资源利用率和响应时间. 趋势增强时间卷积网络 (TE-TCN) 准确预测容器负载,优化边缘资源调度.

关键词:
容器弹性缩放容器的弹性缩放.卷积神经网络是一种卷积神经网络.负载预测的预测.强化学习是一种强化学习.

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科学领域:

  • 计算机科学 计算机科学
  • 分布式系统 分布式系统
  • 人工智能的人工智能

背景情况:

  • 边缘计算需要高效的资源和带宽管理,以实时处理数据.
  • 传统的集装箱扩展策略受到缓慢的响应时间,资源利用率低下和不可预测的负载的影响.
  • 容器化是边缘计算的基础,因为它的性能好处.

研究的目的:

  • 提出一种基于弹性容器扩展的新型边缘计算资源调度方法.
  • 解决传统容器扩展的局限性,包括响应时间和资源利用.
  • 为了使边缘计算适应动态的应用负载模式和流量激增.

主要方法:

  • 开发了一种容器负载预测模型,即趋势增强时间卷积网络 (TE-TCN),使用带有双输入ResNet的编码器解码器结构.
  • 模拟容器弹性缩放作为使用马尔科夫决策过程 (MDP) 的多目标优化问题.
  • 设计了一个基于强化学习的预测容器扩展策略,利用TE-TCN预测和时间变化的动作空间.

主要成果:

  • TE-TCN模型在基准和现实数据集上展示了准确的容器负载变化预测.
  • 拟议的战略在爆发负载期间将平均响应时间减少了16.2%.
  • 在负载期间,CPU的平均利用率增加了44.6%.

结论:

  • 拟议的TE-TCN模型和基于强化学习的扩展策略有效优化边缘计算资源管理.
  • 该方法在动态边缘环境中提高了系统响应能力和资源效率.
  • 这种方法为处理边缘计算中不可预测的流量和负载变化提供了强大的解决方案.