Search Results - "Rose, L. R. Francis"

Modal Decomposition of Acoustic Emissions from Pencil-Lead Breaks in an Isotropic Thin Plate by Yao, Xinyue, Vien, Benjamin Steven, Rajic, Nik, Rosalie, Cedric, Rose, L R Francis, Davies, Chris, Chiu, Wing Kong

“…Acoustic emission (AE) testing and Lamb wave inspection techniques have been widely used in non-destructive testing and structural health monitoring. For thin…”
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Mindlin plate theory for damage detection: Imaging of flexural inhomogeneities by Rose, L. R. Francis, Wang, Chun H.

“…The scattering of plate waves by localized damage or defects that can be modeled as flexural inhomogeneities is examined within the framework of Mindlin plate…”
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Time reversal invariance for a one-dimensional model of contact acoustic nonlinearity by Blanloeuil, Philippe, Francis Rose, L.R., Veidt, Martin, Wang, Chun H.

“…The interaction of a one-dimensional (1D) wave packet with a contact interface characterized by a unilateral contact law is investigated analytically and…”
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Increasing crack growth resistance for through-thickness matrix cracking and its role in suppressing ply cracking in thin-ply laminates by Chang, Wenkai, Francis Rose, L.R., Wu, Shuying, Kinloch, Anthony J., Wang, Chun H.

“…•A new analysis of through-thickness matrix cracking in thin-ply laminates is developed and verified.•Thickness dependence of crack growth behaviour is…”
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Strengthening and toughening epoxy polymer at cryogenic temperature using cupric oxide nanorods by Chang, Wenkai, Rose, L.R. Francis, Islam, Mohammad S., Wu, Shuying, Peng, Shuhua, Huang, Feng, Kinloch, Anthony J., Wang, Chun H.

“…At cryogenic temperatures thermoset polymers suffer from low fracture toughness. Herein, we present a strengthening and toughening technique for cryogenic…”
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Using reciprocity to derive the far field displacements due to buried sources and scatterers by Rose, L. R. Francis, Chiu, W. K., Nadarajah, N., Vien, B. S.

“…It is shown that elastodynamic reciprocity provides a simpler approach for deriving the far-field displacements due to buried (sub-surface) sources in a…”
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Analytical and numerical modelling of wave scattering by a linear and nonlinear contact interface by Blanloeuil, Philippe, Rose, L.R.Francis, Veidt, Martin, Wang, Chun H.

“…A new analytical approach is presented for describing plane-wave scattering at a plane interface that is characterised by a linear or nonlinear traction law…”
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An extended diffraction tomography method for quantifying structural damage using numerical Green’s functions by Chan, Eugene, Rose, L.R. Francis, Wang, Chun H.

“…•A near-field imaging method is derived for imaging damage in plate-like structures.•The imaging method employs numerically computed Green’s functions.•A…”
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Analytical and numerical modelling of non-collinear wave mixing at a contact interface by Rose, L.R. Francis, Blanloeuil, Philippe, Veidt, Martin, Wang, Chun H.

“…An analytical model is presented for wave mixing of two incident non-collinear plane waves at a plane contact interface characterised by a nonlinear traction…”
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Time reversal invariance for a nonlinear scatterer exhibiting contact acoustic nonlinearity by Blanloeuil, Philippe, Rose, L.R.Francis, Veidt, Martin, Wang, Chun H.

“…The time reversal invariance of an ultrasonic plane wave interacting with a contact interface characterized by a unilateral contact law is investigated…”
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Comparative evaluation of in situ stress monitoring with Rayleigh waves by Hughes, James Martin, Vidler, James, Ng, Ching-Tai, Khanna, Aditya, Mohabuth, Munawwar, Rose, LR Francis, Kotousov, Andrei

“…The in situ monitoring of stresses provides a crucial input for residual life prognosis and is an integral part of structural health monitoring systems. Stress…”
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Analytical solutions for crack-like scatterers and sources in isotropic elastic plates by Rose, L.R. Francis, Vien, Benjamin Steven, Chiu, Wing Kong

“…A common theoretical framework can be employed for modelling both active and passive approaches to structural health monitoring based on guided waves. The same…”
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Residual opening of hydraulic fractures created using the channel fracturing technique by Khanna, Aditya, Luong, Hao, Kotousov, Andrei, Nguyen, Giang D., Rose, L.R. Francis

“…The channel fracturing technique aims for discontinuous placement of proppant particles along the length of a hydraulic fracture in a way that a network of…”
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In situ wavenumber–frequency modal decomposition of acoustic emissions by Rajic, Nik, Rosalie, Cedric, Vien, Benjamin Steven, van der Velden, Stephen, Rose, LR Francis, Smithard, Joel, Chiu, Wing Kong

“…A new acoustic sensing capability, consisting of a flexible high-density linear piezoelectric sensor array coupled to a high-bandwidth interrogation device, is…”
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Inverse methods for quantitative assessment of delamination damage based on vibrational response by He, Shuai, Rose, LR Francis, Wang, Chun H

“…A novel two-step approach for quantifying laminar damages, such as delaminations in composites, is presented. This new approach first employs the gapped…”
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Multiscale modelling of nanoparticle toughening in epoxy: Effects of particle-matrix interface, particle size, and volume fraction by Chang, Wenkai, Rose, L.R. Francis, Sha, Zhao, Huang, Feng, Kinloch, Anthony J., Wang, Chun H.

“…Toughening matrix materials by incorporating rigid nanoparticles has received significant interest for mitigating matrix microcracking in fibre-reinforced…”
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Toughening epoxy by nano-structured block copolymer to mitigate matrix microcracking of carbon fibre composites at cryogenic temperatures by Wang, Jiawei, Chang, Wenkai, Islam, Mohammad S., Huang, Feng, Wu, Shuying, Rose, L.R. Francis, Zhang, Jin, Wang, Chun H.

“…The incorporation of rigid nanoparticles has proven to enhance microcracking resistance in carbon fibre reinforced polymer (CFRP) composites at cryogenic…”
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Mitigating cryogenic microcracking in carbon-fibre reinforced polymer composites using negative thermal-expansion nanoparticles functionalized by a polydopamine coating by Islam, Mohammad S., Chang, Wenkai, Sha, Zhao, Wang, Jiawei, Wu, Shuying, Rose, L.R. Francis, Kinloch, Anthony J., Wang, Chun H.

“…Herein, we report a new method of mitigating cryogenic microcracking in carbon-fibre reinforced-plastics (CFRPs) using a negative thermal-expansion…”
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A comparison and extensions of algorithms for quantitative imaging of laminar damage in plates. I. Point spread functions and near field imaging by Rose, L.R. Francis, Chan, Eugene, Wang, Chun H.

“…Real-time structural health monitoring (SHM) and safety prognostics require quantitative and continuously updated information on damage size and severity. A…”
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A comparison and extensions of algorithms for quantitative imaging of laminar damage in plates. II. Non-monopole scattering and noise tolerance by Chan, Eugene, Rose, L.R. Francis, Wang, Chun H.

“…A generalisation of diffraction tomography that is applicable for mixed-mode Lamb wave imaging is derived, subject to clearly stated simplifying assumptions…”
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