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

Static Friction01:18

Static Friction

746
Static friction is a force that opposes the relative motion or tendency of motion between two surfaces in contact. It plays a crucial role in our daily lives, from walking on the ground to driving a car.
For example, consider a scenario where a truck is connected to a car by a rope, ready to tow it along a road. When no external force is applied by the truck, the car remains stationary and is said to be in static equilibrium. In this case, the forces acting on the car, such as gravity and the...
746
Static and Kinetic Frictional Force01:05

Static and Kinetic Frictional Force

15.7K
One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...
15.7K
Types of Friction Problems01:27

Types of Friction Problems

524
Friction is an essential concept in physics, engineering, and everyday life. It is the force that opposes the relative motion or tendency of such motion between two surfaces in contact. One of the most common types of friction encountered in various applications is dry friction. Dry friction problems can be broadly categorized into three types, each with unique characteristics and challenges.
The first type of dry friction problem involves situations where there is no apparent impending motion....
524
Frictional Force01:07

Frictional Force

7.9K
When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
7.9K
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

529
Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
529
Kinetic Friction01:26

Kinetic Friction

917
Consider a truck trying to pull a stationary car. As the truck exerts a force on the car, static friction is created at the point of contact between the two surfaces. This frictional force resists the car's movement and keeps it at rest. However, when the applied force by the truck surpasses the limiting static frictional force, an interesting phenomenon occurs. The frictional force at the interface reduces to a lower value, known as the kinetic frictional force. At this point, the car...
917

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

HYVE: Hybrid Vertex Encoder for Neural Distance Fields.

IEEE transactions on visualization and computer graphics·2026
Same author

Implicit Frictional Boundary Handling for SPH.

IEEE transactions on visualization and computer graphics·2020
Same author

Implicit Density Projection for Volume Conserving Liquids.

IEEE transactions on visualization and computer graphics·2019
Same author

Vastus lateralis and vastus medialis produce distinct mediolateral forces on the patella but similar forces on the tibia in the rat.

Journal of biomechanics·2018
Same author

Perception of Looming Motion in Virtual Reality Egocentric Interception Tasks.

IEEE transactions on visualization and computer graphics·2018
Same author

Turbulent Micropolar SPH Fluids with Foam.

IEEE transactions on visualization and computer graphics·2018
Same journal

MesoSplats: Texture Synthesis with Gaussian Splatting.

IEEE transactions on visualization and computer graphics·2026
Same journal

GLLA: A Unified Force-Directed Graph Layout Framework Supporting Local Adjustments.

IEEE transactions on visualization and computer graphics·2026
Same journal

Multi-Perception Crowd: Learning to combine entity and implicit perception for diverse crowd simulation.

IEEE transactions on visualization and computer graphics·2026
Same journal

Hiding in Plain Sight: Camouflaging Real-world Objects.

IEEE transactions on visualization and computer graphics·2026
Same journal

RTF2Mesh: Restricted Tangent Face Based Mesh Compression With Neural Displacement Fields.

IEEE transactions on visualization and computer graphics·2026
Same journal

Practical Occluder Generation for Mobile Games.

IEEE transactions on visualization and computer graphics·2026
查看所有相关文章

相关实验视频

Updated: Jun 18, 2025

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
07:40

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Published on: June 10, 2020

13.9K

隐含的摩擦动力学与软约束

Egor Larionov, Andreas Longva, Uri M Ascher

    IEEE transactions on visualization and computer graphics
    |August 2, 2024
    PubMed
    概括
    此摘要是机器生成的。

    在动力学模拟中的滞后摩擦模型可能在粘滑值附近不准确,这是由于力滞后而不是光滑. 这项研究评估了滞后与隐性摩擦,为准确的模拟提供了改进.

    更多相关视频

    Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers
    07:09

    Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

    Published on: August 17, 2018

    9.0K
    Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
    13:57

    Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

    Published on: December 24, 2014

    14.0K

    相关实验视频

    Last Updated: Jun 18, 2025

    Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
    07:40

    Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

    Published on: June 10, 2020

    13.9K
    Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers
    07:09

    Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

    Published on: August 17, 2018

    9.0K
    Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
    13:57

    Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

    Published on: December 24, 2014

    14.0K

    科学领域:

    • 计算物理学的计算物理.
    • 机械工程 机械工程 机械工程
    • 计算机图形 计算机图形

    背景情况:

    • 使用摩擦接触的动力学模拟对于诸如布模拟和对象操纵等应用至关重要.
    • 最近的方法利用光滑的滞后摩擦力来进行强大和可分化的弹性动力学模拟.
    • 然而,现有的滞后摩擦模型可能会表现出不准确性,并且无法汇聚到分析解决方案.

    研究的目的:

    • 与隐式摩擦接触系统相比,评估滞后摩擦模型的准确性.
    • 确定模拟摩擦行为的不准确性的主要原因,特别是在棒滑门附近.
    • 提出和展示精确和强大的动力学模拟与摩擦的改进.

    主要方法:

    • 对滞后摩擦模型与隐式摩擦接触系统进行比较分析.
    • 调查贴滑门附近的不准确情况.
    • 在隐式和滞后摩擦系统中应用高阶时间集成方法.
    • 使用前置模式自动分化来增强不准确的牛顿方法.

    主要成果:

    • 靠近stick-slip值的滞后摩擦模型中的重大不准确性源于力滞后,而不是从Coulomb摩擦曲线的平滑中产生的.
    • 展示了含蓄或滞后摩擦系统的正确使用与更高阶时间集成,解决先前方法的局限性.
    • 前进模式的自动差异化简化并可能提高不准确的牛顿方法的性能.
    • 复杂的现象,包括粘滑行为和压缩介质中的体积保存,可以有效地模拟.

    结论:

    • 滞后摩擦模型需要仔细实施,以避免不准确,特别是在像stick-slip这样的关键过渡附近.
    • 提出的方法提高了动力学模拟与摩擦的准确性和稳定性.
    • 该研究为各种科学和工程领域的更可靠和多功能摩擦接触模拟提供了基础.