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

112
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...
112
Maximum Deflection01:13

Maximum Deflection

439
When analyzing beams under unsymmetrical loads, such as a train moving on a bridge, it is crucial to accurately determine the points of maximum stress and deflection. The process involves identifying the maximum deflection of the beam, which may not always occur at its midpoint due to the uneven distribution of the load.
The maximum deflection occurs at a specific point, known as point O, where the tangent to the deflection curve is horizontal. To find point O, the slope of the tangent at any...
439
Typical Model Studies01:30

Typical Model Studies

340
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
340
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

124
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
124
Deflection of a Beam01:19

Deflection of a Beam

234
Accurately determining beam deflection and slope under various loading conditions in structural engineering is crucial for ensuring safety and structural integrity. Singularity functions offer a streamlined approach to analyzing beams, especially when multiple loading functions complicate the bending moment equation.
Singularity functions, described in an earlier lesson, are powerful mathematical tools that represent discontinuities within a function commonly encountered in structural loading...
234
Elastic Curve from the Load Distribution01:16

Elastic Curve from the Load Distribution

155
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.
For all beams, the analysis of the beam's reaction to distributed loads begins by understanding the relationship between a beam's load and the resulting shear forces and bending moments.
155

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

Dataset for surface and subsurface characterization of removable urban pavements with a functionalized surface (RUP-FS) using multi-technique measurements.

Data in brief·2026
Same author

Time-resolved immune dynamics in rheumatoid arthritis under methotrexate therapy.

Annals of the rheumatic diseases·2026
Same author

Repair Bond Strength of Milled and 3D-Printed CAD/CAM Hybrid Materials Using Different Repair Protocols: An In Vitro Study.

Clinical and experimental dental research·2026
Same author

Mechanical and biological properties of two new commercial PEEK framework materials for fixed and removable dental prostheses compared to unfilled PEEK: An in vitro study.

Dental materials : official publication of the Academy of Dental Materials·2026
Same author

Accuracy and Fit of Three-Unit Dental Restorations Fabricated from 3D-Printed Resins and CAD/CAM Milling Materials: A Micro-CT Study.

Bioengineering (Basel, Switzerland)·2026
Same author

Digital Surveillance After Allogeneic Hematopoietic Stem Cell Transplantation Guides Therapeutic Interventions to Reduce Non-Relapse Mortality.

European journal of haematology·2026

相关实验视频

Updated: Jun 4, 2025

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall
12:21

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall

Published on: January 6, 2023

2.9K

在TSD下建模路面曲折行为的数值数据.

Abdelgader Abdelmuhsen1, Jean-Michel Simonin1, Franziska Schmidt2

  • 1Université Gustave Eiffel, MAST-LAMES, Nantes campus, F-44344 Bouguenais, France.

Data in brief
|December 17, 2024
PubMed
概括
此摘要是机器生成的。

这项研究通过使用交通速度反射仪 (TSD) 数据模拟了路面的机械行为. 这些发现提供了一种更有效的方法来通过机器学习来估计次级弹性模块 (MR),从而改善路面评估.

关键词:
艾丽泽-Lcpc 的数据数字建模 数字建模路面工程机械师 路面工程机械师道路基础设施评估 道路基础设施评估下级弹性模块的弹性模块是下级的交通速度偏向计的交通速度偏向计.

更多相关视频

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

8.7K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

1.6K

相关实验视频

Last Updated: Jun 4, 2025

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall
12:21

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall

Published on: January 6, 2023

2.9K
Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

8.7K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

1.6K

科学领域:

  • 土木工程 土木工程是指土木工程.
  • 地质技术工程 地质技术工程
  • 计算力学 计算力学 计算力学

背景情况:

  • 传统的路面评估方法,如落重量反射计 (FWD),有其局限性.
  • 准确估计下层弹性模块 (MR) 对于路面设计和维护至关重要.
  • 数字模拟为路面分析提供了一个有希望的替代方案.

研究的目的:

  • 提供一个数值数据集,模拟路面机械行为在交通速度偏移计 (TSD) 测量下.
  • 促进机器学习模型的开发,以加强路面评估.
  • 为MR估计提供了传统方法的计算效率高的替代方案.

主要方法:

  • 使用Alizé-LCPC软件进行路面结构的数值模拟.
  • 为各种路面和地下层条件生成模拟的屈曲斜率数据.
  • 使用模拟的TSD数据进行基于机器学习的MR估计.

主要成果:

  • 在TSD负载下模拟路面反应的综合数据集.
  • 展示机器学习从TSD数据中准确预测MR的潜力.
  • 与FWD相比,更高效的计算方法的验证.

结论:

  • 生成的数据集支持在路面工程中的高级数据分析.
  • 这种方法提高了路面评估的准确性和效率.
  • 对数据的开放访问促进了道路基础设施评估的研究合作和创新.