Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

11.8K
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
11.8K
Impact01:30

Impact

116
Impact occurs when two bodies collide, leading to the application of impulsive forces between them. Analyzing impact mechanics involves considering two colliding particles moving along a line known as the line of impact, which passes through their centers and is perpendicular to the contact plane.
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...
116
Resultant of a General Distributed Loading01:13

Resultant of a General Distributed Loading

608
While designing structures exposed to non-uniform loads, it is crucial to consider the resultant force and its location. This resultant force is a single vector representing the net force applied due to the distributed load.
Examples such as load distribution due to wind and load distribution on a bridge illustrate how this concept is used to analyze and design safe, reliable structures under variable loading conditions. Most structures, such as residential buildings, bridges, and towers, are...
608
Elastic Collisions: Introduction01:00

Elastic Collisions: Introduction

10.9K
An elastic collision is one that conserves both internal kinetic energy and momentum. Internal kinetic energy is the sum of the kinetic energies of the objects in a system. Truly elastic collisions can only be achieved with subatomic particles, such as electrons striking nuclei. Macroscopic collisions can be very nearly, but not quite, elastic, as some kinetic energy is always converted into other forms of energy such as heat transfer due to friction and sound. An example of a nearly...
10.9K
System of Forces and Couples01:16

System of Forces and Couples

383
In the analysis of structural systems, it is common to encounter members subjected to various forces and couple moments. Simplifying these systems can make the analysis more manageable and easier to understand. One approach to achieve this simplification is by moving a force to a point O that does not lie on its line of action and adding a couple with a moment equal to the moment of the force about point O.
The principle of transmissibility plays a crucial role in this process. According to...
383
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

312
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
312

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Are We Truly Accurately Quantifying HO<sup>•</sup> Using Benzoic Acid Hydroxylation in Engineered HO<sup>•</sup>-Producing Systems?

Environmental science & technology·2026
Same author

Spatiotemporal Raman probing of molecular transport in sub-2-nm plasmonic quasi-2D nanochannels.

Science advances·2026
Same author

Drone-based needle trap device array coupled with portable mass spectrometry for onsite analysis of hazardous air pollutants.

Analytica chimica acta·2026
Same author

USP14 promotes epithelial-mesenchymal transition and functions as a multifaceted biomarker in lung adenocarcinoma.

Discover oncology·2026
Same author

Oscillatory Phase Transition and Rotation in the Liquid-Solid Binary-Phase Zone: In-Situ Visualization of Nanoscale Alloying Dynamics.

The journal of physical chemistry letters·2026
Same author

Life-History Plasticity of Cultured <i>Coreius guichenoti</i>: Energy Allocation Trade-Offs and Conservation Applications.

Animals : an open access journal from MDPI·2026
Same journal

A tri-axis optomechanical accelerometer with plasmonic MIM waveguide and structural direction-dependent optical signatures.

Scientific reports·2026
Same journal

Holographic leaky-wave antennas with independently controlled multiple counter-rotating vortex beams.

Scientific reports·2026
Same journal

Differential associations of longitudinal hearing and vision trajectories with dementia and mild cognitive impairment in older adults.

Scientific reports·2026
Same journal

Abdominal obesity and leisure-time sedentary behavior in relation to gastroesophageal reflux disease risk: a prospective cohort study from the UK Biobank.

Scientific reports·2026
Same journal

Effect of nitrogen-rich COF incorporation on the structure and separation performance of polyamide nanofiltration membranes.

Scientific reports·2026
Same journal

Withanolide A inhibits hIAPP aggregation: An In silico, biophysical, and drosophila-based In vivo validation.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: May 7, 2025

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
10:50

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

9.4K

Random impact force localisation enabled by the weighted reference database method.

Binbin Qiu1,2, Siqi Liu1, Weidong Li3

  • 1School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, China.

Scientific Reports
|December 31, 2024
PubMed
Summary
This summary is machine-generated.

Accurately locating random impact forces (RIF) on structures is challenging. The novel weighted reference database method (WRDM) improves RIF localization accuracy using interpolation and a weighted framework.

Keywords:
Bicubic interpolationImpact localisationReference database methodWeighted model

More Related Videos

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K
Fabrication and Implementation of a Reference-Free Traction Force Microscopy Platform
08:10

Fabrication and Implementation of a Reference-Free Traction Force Microscopy Platform

Published on: October 6, 2019

6.5K

Related Experiment Videos

Last Updated: May 7, 2025

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
10:50

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

9.4K
Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K
Fabrication and Implementation of a Reference-Free Traction Force Microscopy Platform
08:10

Fabrication and Implementation of a Reference-Free Traction Force Microscopy Platform

Published on: October 6, 2019

6.5K

Area of Science:

  • Structural Mechanics
  • Impact Dynamics
  • Engineering Safety

Background:

  • Random impact forces (RIF) significantly affect structural integrity and safety.
  • Accurate localization of RIF is a critical but challenging problem in structural health monitoring.

Purpose of the Study:

  • To introduce a novel method, the weighted reference database method (WRDM), for accurate RIF localization.
  • To enhance RIF localization accuracy by addressing limitations in existing methods.

Main Methods:

  • Utilizing bicubic interpolation to increase reference impact point density within a sparse database.
  • Developing a weighted random impact localization framework employing a cosine distance variant for improved accuracy.
  • Extending the boundary range of the WRDM to overcome interpolation region limitations.

Main Results:

  • Experimental validation on a suspended rectangular plate demonstrated the WRDM's effectiveness.
  • Achieved an average absolute localization error of 16.67 mm.
  • Outperformed previous methods, including PRMCSM (21.54 mm) and a hybrid method (20.80 mm).

Conclusions:

  • The WRDM offers a significant advancement in accurately localizing random impact forces on structures.
  • The method's innovative use of interpolation and weighted frameworks enhances localization precision.
  • WRDM provides a more reliable approach for ensuring structural integrity and safety under impact loads.