Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Impact: Problem Solving

Impact: Problem Solving

In an experiment conducted during a Mars mission, a rover propels a projectile with an initial velocity, and the projectile rebounds after colliding with the Martian surface. To ascertain the maximum height attained by the projectile after this collision, the known restitution coefficient and acceleration due to gravity are employed.
By designating the launch point as the origin and utilizing kinematic equations, the vertical component of the projectile's velocity at the point of impact is...

Impact Loading

Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...

Impact Loading on a Cantilever Beam

Impact Loading on a Cantilever Beam

The analysis of a cantilever beam with a circular cross-section subjected to impact loading at its free end illustrates the conversion of potential energy from a dropped object into kinetic energy, which is then absorbed by the beam as strain energy. This process is crucial for understanding how materials behave under dynamic loads, which is important in fields such as construction and aerospace.
When an object is dropped onto the free end of a cantilever, its potential energy due to gravity is...

Elastic Collisions: Case Study

Elastic Collisions: Case Study

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...

Beams with Unsymmetric Loadings

Beams with Unsymmetric Loadings

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...

Deformation of a Beam under Transverse Loading

Deformation of a Beam under Transverse Loading

Understanding beam deflection, particularly for indeterminate beams with overhanging segments and multiple concentrated loads, is crucial for ensuring structural integrity and functionality. The process begins with constructing an accurate free-body diagram, which helps identify the forces and moments acting on the beam. This diagram is vital for visualizing how bending moments vary along the beam's length, influencing its curvature.
The insights from the bending moment diagram extend to...

You might also read

Related Articles

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

Sort by

Same author

Origami exoskeletons for enhanced soft robotic manipulation.

Science advances·2025

Same author

A Lamb wave time-reversal field reconstruction method for damage detection with automatic focusing determination.

Ultrasonics·2023

Same author

Multi-frequency time-reversal-based imaging for ultrasonic nondestructive evaluation using full matrix capture.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2014

Same author

A comparison between ultrasonic array beamforming and super resolution imaging algorithms for non-destructive evaluation.

Ultrasonics·2014

Same author

Phosphatase Wip1 negatively regulates neutrophil migration and inflammation.

Journal of immunology (Baltimore, Md. : 1950)·2014

Same author

Microgravity inhibits resting T cell immunity in an exposure time-dependent manner.

International journal of medical sciences·2014

Search research articles

Related Experiment Video

Updated: Sep 26, 2025

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

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

Published on: January 5, 2024

Hypervelocity Impact Detection and Location for Stiffened Structures Using a Probabilistic Hyperbola Method.

Sunquan Yu¹, Chengguang Fan¹, Yong Zhao¹

¹College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China.

Sensors (Basel, Switzerland)

|April 23, 2022

Summary

This study introduces a new method to detect and locate hyper-velocity impacts on spacecraft using Lamb waves. The technique achieves high accuracy, with errors less than 1 cm for a 1-square-meter plate.

Keywords:

acoustic emission impact detection passive sensing stiffened aluminum plate

More Related Videos

Blast Quantification Using Hopkinson Pressure Bars

Blast Quantification Using Hopkinson Pressure Bars

Published on: July 5, 2016

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

Related Experiment Videos

Last Updated: Sep 26, 2025

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

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

Published on: January 5, 2024

Blast Quantification Using Hopkinson Pressure Bars

Blast Quantification Using Hopkinson Pressure Bars

Published on: July 5, 2016

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

Area of Science:

Aerospace Engineering
Materials Science
Wave Propagation

Background:

Hyper-velocity impacts (HVIs) from orbital debris pose a significant threat to spacecraft safety.
Accurate detection and localization of these impacts are crucial for spacecraft structural integrity and mission success.

Purpose of the Study:

To develop and validate a probabilistic method for detecting and locating HVIs in stiffened aluminum plates using Lamb wave analysis.
To investigate the characteristics of acoustic emission and shock wave propagation generated by HVIs.

Main Methods:

A hybrid model combining finite element analysis (FEA) and smoothed particle hydrodynamics (SPH) was employed for numerical simulations.
Experimental validation was performed using a two-stage light gas gun to simulate HVI conditions.
Lamb wave propagation and signal analysis were utilized for impact detection and localization.

Main Results:

The hybrid FEA-SPH model accurately predicted HVI-induced acoustic emission and shock wave propagation, showing quantitative agreement with experimental data.
Shock waves rapidly transform into Lamb waves, with the S0 mode dominating the signal energy (frequencies below 500 kHz).
The proposed method achieved an average location error of less than 1 cm for a 1-square-meter plate using only four sensors.

Conclusions:

The probabilistic Lamb wave analysis method is effective for detecting and locating HVIs in stiffened aluminum plates.
The study validates the hybrid FEA-SPH model for simulating HVI phenomena.
The findings contribute to enhanced spacecraft impact detection and monitoring systems.