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

Modes of Standing Waves - I01:03

Modes of Standing Waves - I

3.1K
A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This...
3.1K
Travelling Waves01:04

Travelling Waves

5.7K
A wave is a disturbance that propagates from its source, repeating itself periodically, and is typically associated with simple harmonic motion. Mechanical waves are governed by Newton's laws and require a medium to travel. A medium is a substance in which a mechanical wave propagates, and the medium produces an elastic restoring force when it is deformed.
Water waves, sound waves, and seismic waves are some examples of mechanical waves. For water waves, the wave propagation medium is...
5.7K
Interference and Diffraction02:18

Interference and Diffraction

47.7K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
47.7K
Interference and Superposition of Waves01:07

Interference and Superposition of Waves

5.6K
When two waves of the same nature occur in the same region simultaneously, they result in interference. Interference of waves implies that the net effect of the waves is the sum of the individual waves' effects. However, it does not imply that the individual waves affect the propagation of other waves.
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
5.6K
Shock Waves01:16

Shock Waves

2.2K
While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high...
2.2K
Microcracking in Concrete01:20

Microcracking in Concrete

223
Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...
223

You might also read

Related Articles

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

Sort by
Same author

Machine Learning for Targeted Nano Medicine in Parkinson's Disease: A Data-Driven Approach for Diagnosis and Treatment.

Current topics in medicinal chemistry·2026
Same author

Design, Optimization and Pharmacokinetic Profiling of BCS Class II Drug Loaded Oral Self Nanoemulsifying System.

AAPS PharmSciTech·2026
Same author

Three-dimensional bioprinted hydrogels for the management of diabetic wounds: A review.

BioImpacts : BI·2026
Same author

Reconnoitering the Potential of the Pharmacogenomics Approach in the Management of Alzheimer's Disease: A Review.

CNS & neurological disorders drug targets·2026
Same author

Emblica officinalis Fraction Mitigates Depression via PI3K-AKT Pathway: A Pharmacological Study.

Chemistry & biodiversity·2026
Same author

Integrative Lifestyle Strategies for Osteoarthritis Management in Post-Menopausal Women: Insights on Exercise and Diet.

Current rheumatology reviews·2026

Related Experiment Video

Updated: Sep 26, 2025

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

11.7K

Wavelet-Based Transmissibility for Structural Damage Detection.

Kajetan Dziedziech1, Wiesław Jerzy Staszewski1, Krzysztof Mendrok1

  • 1Department of Robotics and Mechatronics, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland.

Materials (Basel, Switzerland)
|April 23, 2022
PubMed
Summary

Detecting structural damage from abrupt events like earthquakes is challenging with vibration data. This study introduces time-variant transmissibility using wavelet power spectra for improved structural monitoring and damage detection.

Keywords:
output-only analysistime-variant systemswavelet-based transmissibility and coherence

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

6.2K
Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

688

Related Experiment Videos

Last Updated: Sep 26, 2025

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

11.7K
Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.2K
Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

688

Area of Science:

  • Structural Engineering
  • Vibration Analysis
  • Signal Processing

Background:

  • Abrupt events (e.g., earthquakes, shock loadings) cause structural damage often undetectable by standard vibration measurements.
  • Output-only vibration monitoring presents limitations in identifying sudden structural changes.

Purpose of the Study:

  • To propose and validate a novel method for detecting abrupt structural damage using output-only vibration measurements.
  • To enhance structural health monitoring capabilities for time-variant dynamic changes.

Main Methods:

  • Development of time-variant transmissibility based on two-dimensional wavelet power spectra.
  • Application of time-frequency transmissibility and coherence functions for damage detection.
  • Validation through numerical simulations and experimental tests.

Main Results:

  • The proposed wavelet-based transmissibility effectively detects abrupt changes in structural dynamics.
  • Comparison with classical transmissibility and time-variant input-output wavelet methods demonstrates superior performance.
  • Successful identification of damage-related dynamic alterations using only output measurements.

Conclusions:

  • Wavelet-based time-variant transmissibility is a viable tool for structural damage detection after abrupt events.
  • Output-only measurements combined with this advanced technique enable effective structural health monitoring.
  • The method offers a promising approach for assessing structural integrity in real-world scenarios.