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Acoustic forward model for guided wave propagation and scattering in a pipe bendRasgado Moreno, Carlos Omar; Rist, Marek; Land, Raul; Ratassepp, MadisSensors2022 / art. 486 https://doi.org/10.3390/s22020486 https://www.scopus.com/sourceid/130124 https://www.scopus.com/record/display.uri?eid=2-s2.0-85122368343&origin=inward&txGid=96ee9f8db78386949345fe5c52db2e80 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SENSORS-BASEL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000747485000001
Application of Mindlin Theory to Describe the Scattering of Guided Waves From Notches in a PlateRasheed, Usman; Lints, Martin; Ratassepp, MadisASME 2022 49th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE2022)2022 https://event.asme.org/Events/media/library/resources/qnde/QNDE-2022-Final-Program.pdf https://qnde.secure-platform.com/a/solicitations/178/sessiongallery/11537/application/98050
Application of multidimensional laser measurement for Lamb wave testingRatassepp, MadisMeasuring by light 2014, a topical workshop on "Quality Control, Condition Monitoring and Predictive Maintenance Using Optical Measurement Techniques"2014
Application of orthogonality-relation for the separation of Lamb modes at a plate edge : numerical and experimental predictionsRatassepp, Madis; Klauson, Aleksander; Chati, FaridUltrasonics2015 / p. 90-95 : ill https://doi.org/10.1016/j.ultras.2014.10.022 https://www.scopus.com/sourceid/13516 https://www.scopus.com/record/display.uri?eid=2-s2.0-84927729900&origin=inward&txGid=f68fdd66bcec1489422124350f32a794 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ULTRASONICS&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000347654700012
Applying guided waves for the characterization of defects in isotropic platesRatassepp, Madis; Rihma, Joonas; Klauson, AleksanderOAS 2011 : International Conference on Optimization and Analysis of Structures, August 25-27, 2011, Tartu, Estonia : abstracts2011 / p. 38
Automatic detection of real and imaginary parts of electrical impedance with single synchronous demodulation channelAnnus, Paul; Priidel, Eiko; Land, Raul; Metshein, Margus; Krivošei, Andrei; Min, Mart; Ratassepp, Madis; Märtens, Olev8th European Medical and Biological Engineering Conference : Proceedings of the EMBEC 2020, November 29 - December 3, 2020 Portorož, Slovenia2021 / p. 151-157 https://doi.org/10.1007/978-3-030-64610-3_18 https://www.scopus.com/sourceid/19400157277 https://www.scopus.com/record/display.uri?eid=2-s2.0-85097608848&origin=inward&txGid=31a1802bad6804ac0a113e960a4986f5
Axial defect imaging in a pipe using synthetically focused guided wavesRatassepp, Madis; Fletcher, Sam; Klauson, AleksanderEstonian journal of engineering2011 / 1, p. 66-75 : ill
Curvature effects on wave propagation in an infinite pipeRatassepp, Madis; Klauson, AleksanderUltragarsas = Ultrasound2006 / 2(59), Proceedings of the International Conference "Non-Destructive Testing and Diagnostics - 2006" : 26-27 May 2006, Vilnius, p. 19-25 : ill https://www.ndt.net/article/ultragarsas/59-2006-vol.2_04-m.ratassepp.pdf
Damage detection in quasi-isotropic composite bends using ultrasonic feature guided wavesYu, Xudong; Ratassepp, Madis; Fan, ZhengComposites Science and Technology2017 / p. 120-129 : ill https://doi.org/10.1016/j.compscitech.2017.01.011
Detection of axial cracks in pipes using focused guided wavesFletcher, Sam; Lowe, Michael John Stewart; Ratassepp, Madis; Brett, ColinJournal of nondestructive evaluation2012 / p. 56-64 : ill https://www.researchgate.net/publication/234956324_Detection_of_Axial_Cracks_in_Pipes_Using_Focused_Guided_Waves
Developing guided wave tomography for a pipe bend = Ultrahelitomograaﬁa toru põlvede kontrollimiseksRasgado Moreno, Carlos Omar2025 https://www.ester.ee/record=b5736911*est https://digikogu.taltech.ee/et/Item/aac8515a-2964-40c0-9048-983c52f48f1d https://doi.org/10.23658/taltech.18/2025
Edge resonance in semi-infinite thick pipe : theoretical predictions and measurementsRatassepp, Madis; Klauson, Aleksander; Chati, F.; Leon, Fernand; Maze, GerardJournal of Acoustical Society of America2008 / 2, p. 875-885 https://pubmed.ncbi.nlm.nih.gov/18681580/
Edge resonances in semi-infinite thick pipe : theoretical predictions and measurements [Electronic resource]Ratassepp, Madis; Klauson, Aleksander; Chati, Farid; Leon, Fernand; Maze, GerardSpecial issue of the Revista de Acustica : 19th international Congress on Acoustics, Madrid (Spain), 2-7 September 20072007 / [6] p. [CD-ROM] https://pubs.aip.org/asa/jasa/article/124/2/875/841531/Edge-resonance-in-semi-infinite-thick-pipe
Evaluation of elastic constants in composite laminates with guided wave tomography [Online resource]Ratassepp, Madis; Rao, Jing; Yu, X.; Fan, Zheng12th European Conference on Non-destructive Testing : proceedings2018 / 7 p. : ill http://cdn.ecndt2018.com/wp-content/uploads/2018/05/ecndt-0597-2018-File001.pdf http://www.ecndt2018.com/programme/list-of-authors/
Experimental challenges of guided wave tomography based on full waveform inversion for a pipe bendRasgado Moreno, Carlos Omar; Xu, Panpan; Ratassepp, MadisGuided Ultrasonic Waves: Emerging Methods (GUWEM): Linslerhof, Germany, 8-11 July 2024 : Abstracts2024 / p. 30 https://doi.org/10.5281/zenodo.12517188
Flexible data acquisition system with custom front-end for ultrasonic NDT researchPeng, Chengxiang; Ratassepp, Madis; Annus, Paul; Rist, Marek; Land, Raul; Märtens, Olev2024 19th Biennial Baltic Electronics Conference (BEC)2024 / 4 p https://doi.org/10.1109/BEC61458.2024.10737989 https://www.scopus.com/sourceid/21100228125 https://www.scopus.com/pages/publications/85210557980?inward https://www.webofscience.com/wos/woscc/full-record/WOS:001411745600035
Fractional Fourier transform-based signal separation for ultrasonic guided wave inspection of platesPeng, Chengxiang; Annus, Paul; Rist, Marek; Land, Raul; Ratassepp, MadisSensors2024 / art. 7564 https://doi.org/10.3390/s24237564
Geodesic equations for guided wave helical path separation for a pipe bendRasgado Moreno, Carlos Omar; Ratassepp, MadisMechanical systems and signal processing2023 / art. 110820 https://doi.org/10.1016/j.ymssp.2023.110820 https://www.scopus.com/sourceid/21080 https://www.scopus.com/record/display.uri?eid=2-s2.0-85173452364&origin=inward&txGid=62c59f8d6290e1ba59fc1022d2b8f4a3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MECH%20SYST%20SIGNAL%20PR&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001091793600001
Guided wave tomography of pipe bends based on full waveform inversionRasgado Moreno, Carlos Omar; Rist, Marek; Land, Raul; Ratassepp, MadisUltrasonics2025 / art. 107560 https://doi.org/10.1016/j.ultras.2024.107560
Implementation of focused guided waves to locate axial defects in pipesFletcher, Sam; Ratassepp, Madis; Brett, C.; Lowe, Michael John StewartThe 48th Annual British Conference on NDT : Blackpool, UK, 14-17 September, 20092009 / ? p
Implementation of focused guided waves to locate axial defects in pipesFletcher, Sam; Lowe, Michael John Stewart; Ratassepp, Madis; Brett, C.Review of progress in quantitative nondestructive evaluation. Volume 292010 / p. 223-230 https://doi.org/10.1063/1.3362398
Investigation of signal separation for ultrasonic nondestructive evaluationPeng, Chengxiang; Ratassepp, Madis; Annus, Paul2022 18th Biennial Baltic Electronics Conference (BEC)2022 / 6 l. https://doi.org/10.1109/BEC56180.2022.9935612
Investigation of the reconstruction accuracy of guided wave tomography using full waveform inversionRao, Jing; Ratassepp, Madis; Fan, ZhengJournal of sound and vibration2017 / p. 317-328 : ill https://doi.org/10.1016/j.jsv.2017.04.017
Lamb mode separation at the plate edge by applying the orthogonality relationRatassepp, Madis; Klauson, Aleksander11th European Conference on Non-Destructive Testing (ECNDT 2014), October 6-10, 2014, Prague, Czech Republic2014 / [8] p. : ill
Model of the plugging detection in metallic pipes using ultrasonic guided waves [Electronic resource]Ratassepp, Madis; Metsaveer, Jaan; Klauson, AleksanderEleventh International Congress on Sound and Vibration : St.Petersburg, Russia, 5-8 July 20042004 / p. 1937-1942 [CD-ROM]
Modeling the effect of anisotropy in ultrasonic-guided wave tomographyRatassepp, Madis; Rao, Jing; Yu, Xudong; Fan, ZhengIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control2022 / p. 330-339 : ill https://doi.org/10.1109/TUFFC.2021.3114432 https://www.scopus.com/sourceid/12998 https://www.scopus.com/record/display.uri?eid=2-s2.0-85115727605&origin=inward&txGid=006124354c6ca9daeeeaa34831baa1d0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20ULTRASON%20FERR&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000736741000035
Multi-parameter reconstruction of velocity and density using ultrasonic tomography based on full waveform inversionRao, Jing; Yang, Jizhong; Ratassepp, Madis; Fan, ZhengUltrasonics2020 / art. 106004, 10 p. : ill https://doi.org/10.1016/j.ultras.2019.106004 https://www.scopus.com/sourceid/13516 https://www.scopus.com/record/display.uri?eid=2-s2.0-85072579815&origin=inward&txGid=dcf20f31aa0f1ed7e550729758bc09b3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ULTRASONICS&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000505022200008
Numerical Application of Guided Wave Tomography Based on Full Waveform Inversion for a Pipe BendRasgado Moreno, Carlos Omar; Ratassepp, MadisASME 2022 49th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE2022)2022 https://event.asme.org/Events/media/library/resources/qnde/QNDE-2022-Final-Program.pdf https://qnde.secure-platform.com/a/solicitations/178/sessiongallery/11537/application/97567
Numerical assessment of guided wave tomography in a pipe bend based on full waveform inversionRasgado Moreno, Carlos Omar; Ratassepp, Madise-Journal of Nondestructive Testing (eJNDT)2023 https://www.ndt.net/?id=28371
On-line corrosion monitoring of plate structures based on guided wave tomography using piezoelectric sensorsRao, Jing; Ratassepp, Madis; Lisevych, Danylo; Caffoor, Mahadhir Hamzah; Fan, ZhengSensors2017 / art. 2882, p. 1-14 : ill https://doi.org/10.3390/s17122882 https://www.scopus.com/sourceid/130124 https://www.scopus.com/record/display.uri?eid=2-s2.0-85038093076&origin=inward&txGid=33deaa88f1172941f3cea3ea2be066b1 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SENSORS-BASEL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000423285800182
Optimising full waveform inversion with inhomogeneous transducers : parameters and considerations for successful implementationRasgado Moreno, Carlos Omar; Xu, Panpan; Rist, Marek; Ratassepp, MadisSSRN2024 / 11 p https://doi.org/10.2139/ssrn.4848530
Optimising full waveform inversion with inhomogeneous transducers: Parameters and considerations for successful implementationRasgado Moreno, Carlos Omar; Xu, Panpan; Rist, Marek; Ratassepp, MadisNDT & E International
2025 / art. 103265 https://doi.org/10.1016/j.ndteint.2024.103265
Passenger ship source level determination in shallow water environmentMustonen, Mirko; Klauson, Aleksander; Laanearu, Janek; Ratassepp, Madis; Folegot, Thomas; Clorennec, DominiqueProceedings of Meetings on Acoustics2016 / art. 070015, p. 1-9 : ill http://dx.doi.org/10.1121/2.0000323
Quantification of thickness loss in a liquid-loaded plate using ultrasonic guided wave tomographyRao, Jing; Ratassepp, Madis; Fan, ZhengSmart materials and structures2017 / art. 125017, 10 p : ill http://dx.doi.org/10.1088/1361-665X/aa95e9
Quantification of thickness loss in liquid-loaded pipes based on guided wave tomographyRao, Jing; Ratassepp, Madis; Fan, ZhengThe 7th Asia-Pacific Workshop on Structural Health Monitoring, 2018 Nov, Hong Kong, China (APWSHM 2018)2019 / 9 p. : ill https://www.ndt.net/search/docs.php3?id=24103
Quantitative imaging of elongated thickness defects in pipelines using ultrasonic guided wave tomographyRasgado Moreno, Carlos Omar; Ratassepp, MadisASME 2023 International Mechanical Engineering Congress and Exposition (IMECE2023) : proceedings. Vol. 12023 / art. 112228 https://doi.org/10.1115/IMECE2023-112228
Quantitative imaging of Young's modulus in plates using guided wave tomographyRatassepp, Madis; Rao, Jing; Fan, ZhengNDT&E international2018 / p. 22-30 : ill https://doi.org/10.1016/j.ndteint.2017.09.016
Reflection of the fundamental torsional guided wave mode from axially aligned defects in pipesFletcher, Sam; Ratassepp, Madis; Lowe, Michael John Stewart; Brett, C.; Trelawny, J.Anglo-French Physical Acoustics Conference abstracts : Arcachon, France, 8-10 December 20082008 / p. 8
Scattering of the fundamental shear horizontal mode in a plate when incident at a through-crack aligned in the propagation direction of the modeRatassepp, Madis; Lowe, Michael John Stewart; Cawley, P.; Klauson, AleksanderJournal of Acoustical Society of America2008 / 5, p. 2873-2882 https://pubmed.ncbi.nlm.nih.gov/19045775/
Scattering of the fundamental torsional mode at an axial crack in a pipeRatassepp, Madis; Fletcher, Sam; Lowe, Michael John StewartThe journal of the Acoustical Society of America2010 / 2, p. 730-740 : ill https://pubs.aip.org/asa/jasa/article/127/2/730/917913/Scattering-of-the-fundamental-torsional-mode-at-an
Separation of Lamb modes at a plate edge by using orthogonality relationRatassepp, Madis; Klauson, Aleksander; Chati, Farid; Leon, Fernand; Maze, GerardEstonian journal of engineering2013 / p. 283-291 : ill https://artiklid.elnet.ee/record=b2654277*est https://doi.org/10.3176/eng.2013.4.03 https://www.scopus.com/record/display.uri?eid=2-s2.0-84890303579&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3176%2Feng.2013.4.03%29&sessionSearchId=08e7c58f88aea92900d731f06ee215ed
SH0 mode interaction with the propagation directional crack in a plateRatassepp, Madis; Lowe, Michael John StewartReview of Progress in Quantitative Nondestructive Evaluation. Vols. 28A and 28B2009 / p. 161-168 : ill
Synthesis of the echo-signal from a cylindrical shellRatassepp, Madis; Metsaveer, Jaan; Klauson, Aleksander; Decultot, Dominique; Maze, GerardTenth International Congress on Sound and Vibration : 7-10 July 2003, Stockholm, Sweden2003 / p. 2483-2490 : ill https://www.researchgate.net/publication/290165960_Synthesis_of_the_echo-signal_from_a_cylindrical_shell
Ultraheli reedab materjalide nähtamatud vigastusedRatassepp, Madis; Lints, MartinHorisont2022 / lk. 48-52 : fot https://www.ester.ee/record=b1072243*est
Ultrasonic imaging of irregularly shaped notches based on elastic reverse time migrationRao, Jing; Saini, Abhishek; Yang, Jizhong; Ratassepp, Madis; Fan, ZhengNDT&E international2019 / art. 102135, 5 p. : ill https://doi.org/10.1016/j.ndteint.2019.102135 https://www.scopus.com/sourceid/17852 https://www.scopus.com/record/display.uri?eid=2-s2.0-85068525486&origin=inward&txGid=09f785e10a2ca2cd4d0007076aac66e9 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NDT%26E%20INT&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000486359200009
Unsupervised fouling reconstruction in the pipe bendIablonskyi, Denys; Rasgado Moreno, Carlos Omar; Ratassepp, Madis; Klami, Arto; Hæggström, Edward; Salmi, Ari2023 IEEE International Ultrasonics Symposium (IUS)2023 / 3 p https://doi.org/10.1109/IUS51837.2023.10306373
Using orthogonality-relation for the separation of Lamb modes at a plate edgeRatassepp, Madis; Chati, Farid; Klauson, AleksanderProceedings of the 2nd International Conference Optimization and Analysis of Structures : Tartu, Estonia, August 25-27, 20132013 / p. 129-134 : ill
Wave scattering at discontinuities in plates and pipes = Lainete interaktsioon defektidega plaatides ja torudesRatassepp, Madis; Klauson, Aleksander; Lowe, Michael John Stewart2010 https://www.ester.ee/record=b2561121*est