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

You might also read

Related Articles

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

Sort by

Same author

Overall survival according to time-of-day of immunochemotherapy for extensive-stage small cell lung cancer.

Cancer·2025

Same author

Synthetic applications of electro/photochemical halogen atom transfer (XAT)-driven carbon radical chemistry.

Chemical Society reviews·2025

Same author

Water-Induced Current Determines Heat Generation during Double Layer Charging.

Physical review letters·2025

Same author

NHWD-870 suppresses tumor proliferation via the BRD4/STRADA/CCND1 axis in small cell lung cancer.

Lung cancer (Amsterdam, Netherlands)·2025

Same author

Dynamic Behavior of the P<sub>7</sub><sup>3-</sup> Cluster and Its Derivatives with Main-Group and Transition Metal Fragments.

Inorganic chemistry·2025

Same author

CNPS.cycle: streamlining shotgun metagenomic data analysis for biogeochemical cycles.

mSystems·2025

Same journal

Ultrasonic characterization of functionally graded materials using a continuously graded model and spectral inversion.

Ultrasonics·2026

Same journal

Frequency-wavenumber domain inversion for arterial viscoelasticity.

Ultrasonics·2026

Same journal

Pressure- and frequency-dependent acoustic behavior of second-generation acoustic reporter genes-expressing bacteria for optimized ultrasound imaging.

Ultrasonics·2026

Same journal

Laser ultrasonic detection for strut defects in additively manufactured lattice structure using zero-group-velocity Lamb waves.

Ultrasonics·2026

Same journal

A hemispherical bubble induced by ultrasonic vibration observed by high-speed X-ray imaging.

Ultrasonics·2026

Same journal

Rayleigh damping for approximating Lamb wave attenuation in finite element simulations.

Ultrasonics·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 12, 2025

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

Blind zone defect imaging using multipath edge-reflected Lamb waves.

Nan Zhang¹, Caibin Xu¹, Liang Zeng²

¹College of Aerospace Engineering, Chongqing University, Chongqing 400044, China.

|September 24, 2024

Summary

This summary is machine-generated.

This study introduces a novel Lamb wave imaging technique using multipath edge reflections to detect crack-like defects in previously invisible blind zones. The method accurately images through-thickness cracks, overcoming limitations of conventional algorithms.

Keywords:

Blind zone Damage localization Lamb wave imaging Multipath reflection Structural health monitoring

More Related Videos

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

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

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

Published on: January 31, 2025

Related Experiment Videos

Last Updated: Jun 12, 2025

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

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

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

Published on: January 31, 2025

Area of Science:

Structural Health Monitoring
Non-Destructive Testing
Ultrasonic Wave Propagation

Background:

Conventional delay-and-sum algorithms struggle to detect defects in blind zones.
Lamb waves offer potential for detecting damage in structures.
Edge reflections are often disregarded or difficult to interpret in traditional methods.

Purpose of the Study:

To develop an advanced Lamb wave-based defect imaging method.
To enable detection of crack-like defects in blind zones.
To improve the accuracy and reliability of non-destructive testing.

Main Methods:

Utilizing multipath edge reflections of Lamb waves.
Introducing virtual transmitters and receivers via mirror points.
Establishing a damage index based on traced wave packet paths.
Employing a multiplication strategy to fuse multi-order wave packet images and reduce artifacts.

Main Results:

Successfully detected through-thickness cracks in blind zones.
Demonstrated effectiveness and feasibility through numerical and experimental validation.
Achieved a minimum relative error of 1.12% in crack localization.

Conclusions:

The proposed Lamb wave imaging method effectively detects defects in blind zones.
Multipath edge reflections significantly enhance defect detection capabilities.
The technique offers a promising advancement for structural health monitoring.