Zobrazeno 1 - 10 of 39 pro vyhledávání: '"Paul D. Ledger"'
1
Efficient computation of the magnetic polarizabiltiy tensor spectral signature using proper orthogonal decomposition
Autor: Paul D. Ledger, Ben A. Wilson
Publikováno v: International Journal for Numerical Methods in Engineering. 122:1940-1963
Our interest lies in the identification of hidden conducting permeable objects from measurements of the perturbed magnetic field in metal detection taken over range of low frequencies. The magnetic polarizability tensor (MPT) provides a characterisat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f94f3892056a69313e26ee9180b7544
https://doi.org/10.1002/nme.6606
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3
Identification of metallic objects using spectral magnetic polarizability tensor signatures: Object classification
Autor: Ben A. Wilson, Paul D. Ledger, William R. B. Lionheart
The early detection of terrorist threat objects, such as guns and knives, through improved metal detection, has the potential to reduce the number of attacks and improve public safety and security. To achieve this, there is considerable potential to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffabaeb91819192fb9ba77819b7a4b49
https://cronfa.swan.ac.uk/Record/cronfa59248/Download/59248__23760__f05bced97e6645cb97591aae9a7c766d.pdf
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4
Identification of metallic objects using spectral magnetic polarizability tensor signatures: Object characterisation and invariants
Autor: Paul D. Ledger, Alan A. S. Amad, William R. B. Lionheart, Ben A. Wilson
The early detection of terrorist threats, such as guns and knives, through improved metal detection, has the potential to reduce the number of attacks and improve public safety and security. To achieve this, there is considerable potential to use the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::886ddc0bd161160e60c742ed01706d9e
https://cronfa.swan.ac.uk/Record/cronfa60833/Download/60833__24937__6417fb6c6d8d419084357333182481dc.pdf
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5
A staggered high-dimensional Proper Generalised Decomposition for coupled magneto-mechanical problems with application to MRI scanners
Autor: Antonio Huerta, Antonio J. Gil, Guillem Barroso, M. Mallett, Paul D. Ledger, M. Seoane
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
© 2020 Elsevier. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ Manufacturing new Magnetic Resonance Imaging (MRI) scanners represents a computational challenge to indust
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b1c8f466bad53278db588677bf79cf8
https://hdl.handle.net/2117/335927
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6
A regularised-adaptive Proper Generalised Decomposition implementation for coupled magneto-mechanical problems with application to MRI scanners
Autor: Antonio Huerta, Guillem Barroso, Antonio J. Gil, M. Mallett, Paul D. Ledger
Publikováno v: Scipedia Open Access
Scipedia SL
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
© 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ Latest developments in high-strength Magnetic Resonance Imaging (MRI) scanners with in-built high resolution, have
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba80869c9bd0adcbfe640e7a8c93c009
https://www.scipedia.com/public/Barroso_et_al_2020a
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7
A combined reduced order‐full order methodology for the solution of 3D magneto‐mechanical problems with application to magnetic resonance imaging scanners
Autor: Antonio J. Gil, Sergio Zlotnik, M. Mallett, M. Seoane, Paul D. Ledger
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
This is the peer reviewed version of the following article: Seoane, M. [et al.]. A combined reduced order-full order methodology for the solution of 3D magneto-mechanical problems with application to magnetic resonance imaging scanners. "Internationa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db1686e7cbde6dbe280d6f499d1475b8
https://cronfa.swan.ac.uk/Record/cronfa53849/Download/53849__16890__4ee88ee8de4047db95e99cb25603638b.pdf
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8
Resolving the sign conflict problem for hp–hexahedral Nédélec elements with application to eddy current problems
Autor: R.M. Kynch, Paul D. Ledger
Publikováno v: Computers & Structures. 181:41-54
A procedure for addressing the sign conflict issue for conforming hexahedral meshes.An efficient implementation of hierarchic hp-Nedelec elements in deal.II.Solution of a series of challenging 3D eddy current benchmark problems.Description of the ext
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3162fc9d20be2b0b96a6a267744dddf
https://doi.org/10.1016/j.compstruc.2016.05.021
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10
The Spectral Properties of the Magnetic Polarizability Tensor for Metallic Object Characterisation
Autor: Paul D. Ledger, William R. B. Lionheart
Publikováno v: Lionheart, W & Ledger, P D 2019, ' The Spectral Properties of the Magnetic Polarizability Tensor for Metallic Object Characterisation ', Mathematical Methods in the Applied Sciences, vol. 43, no. 1, pp. 78-113 . https://doi.org/10.1002/mma.5830
The measurement of time‐harmonic perturbed field data, at a range of frequencies, is beneficial for practical metal detection, where the goal is to locate and identify hidden targets. In particular, these benefits are realised when frequency‐depe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ced55d265d887e4551f571723a2cb0ba
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