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Results: 63
Nonlinear imaging method using second order phase symmetry analysis and inverse filtering
This paper presents a nonlinear imaging method based on nonlinear elastic guided waves, for the damage detection and localisation in a composite laminate. The proposed technique relies on the study of the structural nonlinear...
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SHM of Single Lap Adhesive Joints using Subharmonic Frequencies
The increased usage of adhesive bonding as a joining method in modern aerospace components has led to developing reliable ultrasonic health monitoring systems for detection of regions of poor adhesion. Nonlinear...
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Nonlinear elastic wave tomography for the imaging of corrosion damage

This paper presents a nonlinear elastic wave tomography method, based on ultrasonic guided waves, for the image of nonlinear signatures in the dynamic response of a damaged isotropic structure. The proposed technique relies...

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On the generation of nonlinear damage resonance intermodulation for elastic wave spectroscopy
Recent nonlinear elastic wave spectroscopy experiments have shown that the nonlinear ultrasonic response of damaged composite materials can be enhanced by higher vibrations at the local damage resonance. In this paper, the...
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Nonlinear imaging of damage in composite structures using sparse ultrasonic sensor arrays

In different engineering fields, there is a strong demand for diagnostic methods able to provide detailed information on material defects. Low velocity impact damage can considerably degrade the integrity of structural...

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Nonlinear imaging method using second order phase symmetry analysis and inverse filtering
This paper presents a nonlinear imaging method based on nonlinear elastic guided waves, for the damage detection and localisation in a composite laminate. The proposed technique relies on the study of the structural nonlinear...
Published by:
Nonlinear elastic wave tomography for the imaging of corrosion damage

This paper presents a nonlinear elastic wave tomography method, based on ultrasonic guided waves, for the image of nonlinear signatures in the dynamic response of a damaged isotropic structure. The proposed technique relies...

Published by:
On the generation of nonlinear damage resonance intermodulation for elastic wave spectroscopy
Recent nonlinear elastic wave spectroscopy experiments have shown that the nonlinear ultrasonic response of damaged composite materials can be enhanced by higher vibrations at the local damage resonance. In this paper, the...
Published by:
Non-linear methods based on ultrasonic waves to analyse disbonds in single lap joints
Adhesive bonded lap joints are widely used in the aerospace field and non-destructive testing (NDT) techniques are critical in evaluating the quality of adhesion before and during use. Two types of bonded samples have been...
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Modelling of Thermal Wave Propagation in Damaged Composites with Internal Source
SMArt Thermography exploits the electrothermal properties of multifunctional smart structures, which are created by embedding shape memory alloy (SMA) wires in traditional carbon fibre reinforced composite laminates (known as...
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Modelling of Thermal Wave Propagation in Damaged Composites with Internal Source
SMArt Thermography exploits the electrothermal properties of multifunctional smart structures, which are created by embedding shape memory alloy (SMA) wires in traditional carbon fibre reinforced composite laminates (known as...
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A novel bistable energy harvesting concept
Bistable energy harvesting has become a major field of research due to some unique features for converting mechanical energy into electrical power. When properly loaded, bistable structures snap-through from one stable...
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SHM of Single Lap Adhesive Joints using Subharmonic Frequencies
The increased usage of adhesive bonding as a joining method in modern aerospace components has led to developing reliable ultrasonic health monitoring systems for detection of regions of poor adhesion. Nonlinear...
Published by:
Non-linear methods based on ultrasonic waves to analyse disbonds in single lap joints
Adhesive bonded lap joints are widely used in the aerospace field and non-destructive testing (NDT) techniques are critical in evaluating the quality of adhesion before and during use. Two types of bonded samples have been...
Published by:
A novel bistable energy harvesting concept
Bistable energy harvesting has become a major field of research due to some unique features for converting mechanical energy into electrical power. When properly loaded, bistable structures snap-through from one stable...
Published by:
Rotavirus NSP1 Inhibits Type I and Type III Interferon Induction.
Type I interferons (IFNs) are produced by most cells in response to virus infection and stimulate a program of anti-viral gene expression in neighboring cells to suppress virus replication. Type III IFNs have similar properties...
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Nonlinear imaging of damage in composite structures using sparse ultrasonic sensor arrays

In different engineering fields, there is a strong demand for diagnostic methods able to provide detailed information on material defects. Low velocity impact damage can considerably degrade the integrity of structural...

Published by:
Rotavirus NSP1 Inhibits Type I and Type III Interferon Induction
Type I interferons (IFNs) are produced by most cells in response to virus infection and stimulate a program of anti-viral gene expression in neighboring cells to suppress virus replication. Type III IFNs have similar properties...
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