Title: | Approximations and Surrogates for Computational Inverse Boundary Value Problems Approksimaatioita ja surrogaatteja laskennallisille käänteisreuna-arvo-ongelmille |
Author(s): | Mustonen, Lauri |
Date: | 2017 |
Language: | en |
Pages: | 43 + app. 119 |
Department: | Matematiikan ja systeemianalyysin laitos Department of Mathematics and Systems Analysis |
ISBN: | 978-952-60-7610-2 (electronic) 978-952-60-7611-9 (printed) |
Series: | Aalto University publication series DOCTORAL DISSERTATIONS, 174/2017 |
ISSN: | 1799-4942 (electronic) 1799-4934 (printed) 1799-4934 (ISSN-L) |
Supervising professor(s): | Hyvönen, Nuutti, Prof., Aalto University, Department of Mathematics and Systems Analysis, Finland |
Thesis advisor(s): | Hyvönen, Nuutti, Prof., Aalto University, Department of Mathematics and Systems Analysis, Finland |
Subject: | Mathematics |
Keywords: | inverse problems, uncertainty quantification, partial differential equations, nonlinear least squares, polynomial surrogate, electrical impedance tomography, complete electrode model, thermal tomography, inversio-ongelmat, epävarmuuden kvantifiointi, osittaisdifferentiaaliyhtälöt, epälineaarinen pienimmän neliösumman menetelmä, polynomisurrogaatti, impedanssitomografia, täydellinen elektrodimalli, lämpötomografia |
Archive | yes |
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Abstract:Käänteiset reuna-arvo-ongelmat liittyvät läheisesti kuvantamismenetelmiin, joissa kappaleen sisäisiä ominaisuuksia rekonstruoidaan pintamittausten perusteella. Väitöskirjassa esitellään parannettuja rekonstruktiomenetelmiä ja uusia laskennallisia lähestymistapoja elliptisille ja parabolisille käänteisreuna-arvo-ongelmille. Sovelluskohteina tarkastellaan impedanssitomografiaa eli EIT:tä sekä lämpötomografiaa. |
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Parts:[Publication 1]: L. Mustonen. Numerical study of a parametric parabolic equation and a related inverse boundary value problem. Inverse Problems, Vol. 32 (10), 105008 (20 p.), September 2016. DOI: 10.1088/0266-5611/32/10/105008 View at Publisher [Publication 2]: N. Hyvönen, V. Kaarnioja, L. Mustonen, S. Staboulis. Polynomial collocation for handling an inaccurately known measurement configuration in electrical impedance tomography. SIAM Journal on Applied Mathematics, Vol. 77 (1), 202–223, January 2017. DOI: 10.1137/16M1068888 View at Publisher [Publication 3]: N. Hyvönen and L. Mustonen. Thermal tomography with unknown boundary. Submitted, arXiv:1611.06862 (21 p.), November 2016.[Publication 4]: N. Hyvönen and L. Mustonen. Generalized linearization techniques in electrical impedance tomography. Submitted, arXiv:1705.10559 (18 p.), May 2017.[Publication 5]: N. Hyvönen and L. Mustonen. Smoothened complete electrode model. Accepted for publication in SIAM Journal on Applied Mathematics, arXiv:1703.08022 (23 p.), March 2017. |
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