Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

111
Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
111
Manipulation and Analysis01:21

Manipulation and Analysis

18
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
18
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

382
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
382
Relation Between the Distributed Load and Shear01:23

Relation Between the Distributed Load and Shear

595
Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
595
Method of Superposition01:20

Method of Superposition

658
The method of superposition is a crucial technique in structural engineering, used to analyze the effect of multiple loads on beams. This approach involves calculating the deflection and slope for each load on a beam separately, and then summing these effects to determine the overall impact. It is applicable only when the beam material remains within its elastic limit, ensuring that deformations are linearly elastic.
When applying the method of superposition, each type of load—whether...
658
Three-Dimensional Analysis of Strain01:29

Three-Dimensional Analysis of Strain

201
Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
201

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Targeting CCR7-KMT2D enhances CAR-T cell efficacy by suppressing therapy-induced senescence in B-cell non-Hodgkin lymphoma.

BMC medicine·2026
Same author

Co-expression of CCR7 and H3K9me3 identifies aggressive B-cell lymphoma with bone marrow infiltration and poor prognosis.

European cytokine network·2026
Same author

BVIFormer: a binocular-vision-inspired transformer with binocular competitive fusion for single-image restoration.

Scientific reports·2026
Same author

Wearable Fabric Electrotactile System with Stimulation-Inhibition Electrode Units.

Cyborg and bionic systems (Washington, D.C.)·2026
Same author

Analysis of the current status and influencing factors of cognitive impairment in patients with different cancer types: a cross-sectional study.

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer·2026
Same author

Identification, evolutionary diversification, and stress response roles of SmLACSs in Salix matsudana.

BMC genomics·2026
Same journal

Analysis of strength degradation of coal and rock masses and stability of mined areas under long term immersion environment.

PloS one·2026
Same journal

Biogenic Silver-Selenium nanocomposite with anticancer activity and potent efficacy against vancomycin-resistant Staphylococcus aureus.

PloS one·2026
Same journal

Preparation and physicochemical characterization of a biodegradable chitosan/carboxymethyl cellulose hydrogel synthesized in NaOH/urea medium.

PloS one·2026
Same journal

Action-guilt, survivor-guilt, and depression in combat-related PTSD.

PloS one·2026
Same journal

Explainable machine learning for predicting activities of daily living at discharge in stroke patients: A retrospective study using SHAP interpretability.

PloS one·2026
Same journal

Deep learning based two-way feature depiction model for brain tumor detection.

PloS one·2026
查看所有相关文章

相关实验视频

Updated: May 29, 2025

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
06:55

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

Published on: August 5, 2016

8.2K

基于机器学习的分析地震引起的斜坡位移.

Jiyu Wang1, Niaz Muhammad Shahani1, Xigui Zheng1

  • 1School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu Province, China.

PloS one
|February 6, 2025
PubMed
概括
此摘要是机器生成的。

XGBoost的机器学习模型准确地预测了地震引起的斜率变化,其性能优于其他模型. 最大水平加速是影响位移的关键因素,有助于斜坡稳定性管理.

更多相关视频

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines
08:27

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines

Published on: January 5, 2024

954
Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

9.3K

相关实验视频

Last Updated: May 29, 2025

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
06:55

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

Published on: August 5, 2016

8.2K
Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines
08:27

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines

Published on: January 5, 2024

954
Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

9.3K

科学领域:

  • 地质技术工程 地质技术工程
  • 地震学 地震学
  • 机器学习 机器学习

背景情况:

  • 准确评估地震引起的斜坡位移对于地震斜坡设计至关重要.
  • 各种机器学习模型正在探索它们在这个领域的有效性.

研究的目的:

  • 评估和比较人工神经网络 (ANN),支持矢量机 (SVM),随机森林 (RF) 和极端梯度增强 (XGBoost) 模型的性能.
  • 确定最有效的机器学习模型来预测地震引起的斜坡移位.

主要方法:

  • 使用了45个样本的数据集,其中70%用于培训,30%用于测试.
  • 用重复的5倍交叉验证来提高模型的稳定性.
  • 用R2值和灵敏度分析来评估模型性能.

主要成果:

  • 在训练和测试数据上,XGBoost实现了0.99的优异R2值.
  • ANN,SVM和RF模型显示较低的R2值 (0.63-0.94用于训练,0.80-0.87用于测试).
  • 灵敏度分析显示最大水平加速 (kmax) 是影响斜坡位移的最重要因素.

结论:

  • XGBoost模型显示了地震引起的斜坡移位的高预测精度.
  • 开发的XGBoost模型为地震预警系统和斜坡稳定性管理提供了宝贵的见解.
  • 最大水平加速是预测地震事件期间斜坡移位的关键参数.