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2023
1 Bunaziv, Ivan; Diez, Anja; Johansen, Tonni Franke; Ren, Xiaobo.
What does the defect say? Acoustic emission (AE) for process monitoring and defect detection in laser welding. FME NorthWind Innovation Forum; 2023-12-06 - 2023-12-07
SINTEF Untitled
 
2 Diez, Anja; Johansen, Tonni Franke; Viggen, Erlend Magnus.
From 3D to 1D – effective numerical modelling of pulse-echo measurements in pipes. 46th Scandinavian Symposium on Physical Acoustics; 2023-01-29 - 2023-02-01
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3 Diez, Anja; Johansen, Tonni Franke; Viggen, Erlend Magnus.
From 3D to 1D: Effective numerical modelling of pulse-echo measurements in pipes. I: Proceedings of the 46th Scandinavian Symposium on Physical Acoustics. : Norsk Fysisk Selskap 2023 ISBN 978-82-8123-023-1. s. -
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4 Indimath, Shivanandan; Fiorentini, Stefano; Bøklepp, Bjarne Rosvoll; Avdal, Jørgen; Johansen, Tonni Franke; Måsøy, Svein-Erik.
Effect of bubble size on ultrasound backscatter from bubble clouds in the context of gas kick detection in boreholes. Scientific Reports 2023 ;Volum 13.(1) s. -
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5 Johansen, Tonni Franke; Buschmann, Philip Erik; Røsberg, Knut Marius; Diez, Anja; Viggen, Erlend Magnus.
Ultrasonic well integrity logging using phased array technology. I: ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering: Volume 9: Offshore Geotechnics; Petroleum Technology. The American Society of Mechanical Engineers (ASME) 2023 ISBN 978-0-7918-8691-5. s. -
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6 Rasmussen, Andreas Lund; Fjalestad, Kjetil; Yan, Ru; Viumdal, Håkon; Mylvaganam, Saba; Johansen, Tonni Franke.
Phase Fractions and Velocities in Multiphase Flow – Estimation using Sensor Data Fusion and Machine Learning. SIMS 2023; 2023-09-25 - 2023-09-28
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7 Wangensteen, Magnus; Johansen, Tonni Franke; Fatemi, Ali; Viggen, Erlend Magnus.
Ultrasonic Guided Waves and Machine Learning for Corrosion Monitoring in Steel Pipes. AMPP Annual Conference + Expo 2023; 2023-03-19 - 2023-03-23
NTNU Untitled
 
2022
8 Diez, Anja; Johansen, Tonni Franke; Larsen, Idar.
Ultrasonic Logging of Creeping Shale. Petrophysics 2022 ;Volum 63.(1) s. 61-81
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9 Diez, Anja; Johansen, Tonni Franke; Viggen, Erlend Magnus.
Cement bond logs: Current Pulse Echo processing algorithms. CIUS Fall Conference 2022; 2022-11-09 - 2022-11-10
SINTEF NTNU Untitled
 
2021
10 Diez, Anja; Johansen, Tonni Franke; Larsen, Idar.
Micro-Annulus PE &PC. SC møte på Shale Barrier Toolbox; 2021-03-24 - 2021-03-24
NTNU SINTEF Untitled
 
11 Diez, Anja; Johansen, Tonni Franke; Larsen, Idar.
PC Comsol modelling. SC møte på Shale Barrier Toolbox; 2021-08-25 - 2021-08-25
SINTEF NTNU Untitled
 
12 Diez, Anja; Johansen, Tonni Franke; Larsen, Idar.
Ultrasonic logging of creeping shale. 44th Scandinavian Symposium on Physical Acoustics; 2021-02-01 - 2021-02-02
SINTEF NTNU Untitled
 
13 Indimath, Shivanandan; Fiorentini, Stefano; Avdal, Jørgen; Torp, Hans; Johansen, Tonni Franke; Bøklepp, Bjarne Rosvoll; Måsøy, Svein-Erik.
Estimation of fluid velocity profile and crack geometry for influx/efflux while drilling oil and gas boreholes using Doppler ultrasound. ISNT NDE 2021; 2021-12-09 - 2021-12-11
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14 Johansen, Tonni Franke.
Norsk teknologi skal gjøre fiske mer bærekraftig. tu.no [Internett] 2021-08-04
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15 Larsen, Idar; Bakheim, Sigurd; Diez, Anja; Johansen, Tonni Franke.
Barrier evaluation. SC møte på Shale Barrier Toolbox; 2021-05-05 - 2021-05-05
NTNU SINTEF Untitled
 
2020
16 Andersen, Kenneth Kirkeng; Frijlink, Martijn Egbert; Johansen, Tonni Franke; Hoff, Lars.
A Dual-Frequency Coupled Resonator Transducer. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2020 ;Volum 67.(10) s. 2119-2129
SINTEF NTNU USN Untitled
 
17 Andersen, Kenneth Kirkeng.
Therapeutic dual-frequency ultrasound transducers. Horten: Universitetet i Sørøst-Norge 2020 (ISBN 978-82-7860-427-4) 107 s.
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18 Sirevaag, Tore Lie; Johansen, Tonni Franke; Larsen, Idar; Holt, Rune Martin.
A study of the flexural attenuation technique through laboratory measurements and numerical simulations. Petrophysics 2020 ;Volum 61.(4) s. 334-351
SINTEF NTNU Untitled
 
19 Talberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik.
Ultrasonic Wave Propagation in Layered Media – Beamforming for target detection and flow measurements. Scandinavian Symposium on Physical Acoustics; 2020-01-26 - 2020-01-29
NTNU Untitled
 
2019
20 Johansen, Tonni Franke.
Lab scale ultrasonic logging through casing of shale barrier creation. P&A Seminar 2019; 2019-10-17 - 2019-10-17
NTNU Untitled
 
21 Mikalsen, Astri.
Sensitivity of Transducer for Medical Ultrasound. : Universitetet i Sørøst-Norge 2019 81 s.
USN NTNU Untitled
 
22 Talberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik.
Ultrasonic focusing through a steel layer. Scandinavian Symposium on Physical Acoustics 2019; 2019-01-27 - 2019-01-30
NTNU Untitled
 
2018
23 Bolstad, Per Kristian; Hoff, Lars; Torp, Hans; Johansen, Tonni Franke.
Design, Fabrication and Testing Highly Sensitive Single Element Doppler Transducers. Proceedings - IEEE Ultrasonics Symposium 2018 s. -
NTNU SINTEF USN Untitled
 
24 Sirevaag, Tore Lie; Johansen, Tonni Franke; Larsen, Idar; Holt, Rune Martin.
LABORATORY SETUP FOR IMPROVED LOGGING BEHIND CASING. SPWLA 59th Annual Symposium; 2018-06-02 - 2018-06-06
NTNU SINTEF Untitled
 
25 Talberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik.
Target detection through a steel plate using beamforming. Scandinavian Symposium on Physical Acoustics 2018; 2018-01-28 - 2018-01-31
NTNU Untitled
 
26 Talberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik; Brekke, Svein; Rommetveit, Tarjei.
Ultrasonic focusing through a steel layer for acoustic imaging. IEEE International Ultrasonics Symposium 2018; 2018-10-22 - 2018-10-25
NTNU Untitled
 
27 Talberg, Andreas Sørbrøden; Johansen, Tonni Franke; Måsøy, Svein-Erik; Rommetveit, Tarjei; Brekke, Svein; Dong, Hefeng.
Ultrasonic focusing through a steel layer for acoustic imaging. Proceedings - IEEE Ultrasonics Symposium 2018 ;Volum 2018.(October) s. -
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2017
28 Larsen, Idar; Johansen, Tonni Franke; Talberg, Andreas Sørbrøden.
Cement bond log interpretation in shale formations. SINTEF Petroleum Conference 2017; 2017-03-20 - 2017-03-21
NTNU SINTEF Untitled
 
29 Myhre, Ola Finneng; Johansen, Tonni Franke; Angelsen, Bjørn Atle J..
Analysis of acoustic impedance matching in dual-band ultrasound transducers. Journal of the Acoustical Society of America 2017 ;Volum 141.(2) s. 1170-1179
SINTEF STO NTNU Untitled
 
30 Talberg, Andreas Sørbrøden; Johansen, Tonni Franke.
Experimental evaluation of Lamb wave propagation in plates. Scandinavian Symposium on Physical Acoustics; 2017-01-29 - 2017-02-01
NTNU Untitled
 
31 Talberg, Andreas Sørbrøden; Johansen, Tonni Franke; Larsen, Idar.
Laboratory experiments on ultrasonic logging through casing for barrier integrity validation. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, Trondheim, Norway, June 25–30, 2017. The American Society of Mechanical Engineers (ASME) 2017 ISBN 978-0-7918-5776-2. s. -
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32 Viggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru.
Simulation and inversion of ultrasonic pitch-catch through-tubing well logging with an array of receivers. NDT & E international 2017 ;Volum 85. s. 72-75
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33 Viggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru.
Ultrasonic through-tubing well logging with an array of receivers. 40th Scandinavian Symposium on Physical Acoustics; 2017-01-29 - 2017-02-01
SINTEF Untitled
 
2016
34 Manh, Tung; Hoff, Lars; Eggen, Trym; Johansen, Tonni Franke; Lanteri, Frederic; Gelly, Jean-François.
Dual frequency hybrid ultrasonic transducers - Design and simulations. Proceedings - IEEE Ultrasonics Symposium 2016 ;Volum 2016-November. s. -
USN SINTEF Untitled
 
35 Manh, Tung; Hoff, Lars; Johansen, Tonni Franke; Eggen, Trym Haakon; Lanteri, Frederic; Gelly, Jean-François.
Dual Hybrid Ultrasound Transducers - Designs and Simulations. 13th Annual Ultrasonic Transducer Engineering Conference; 2016-05-16 - 2016-05-17
USN NTNU Untitled
 
36 Manh, Tung; Nguyen, Hoang-Vu; Le, Ahn Duy; Aasmundtveit, Knut Eilif; Hoff, Lars; Eggen, Trym; Johansen, Tonni Franke; Lanteri, Frederic; Gelly, Jean-François.
Au-Sn Solid-Liquid Interdiffusion (SLID) bonding for piezoelectric ultrasonic transducers. Proceedings - IEEE Ultrasonics Symposium 2016
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37 Manh, Tung; Nguyen, Hoang-Vu; Le, Duy; Aasmundtveit, Knut Eilif; Hoff, Lars; Eggen, Trym; Johansen, Tonni Franke; Gelly, Jean-François; Lanteri, Frederic.
Au-Sn Solid-Liquid Interdiffusion (SLID) bonding for piezoelectric ultrasonic transducers. 2016 IEEE International Ultrasonics Symposium Proceedings; 2016-09-18 - 2016-09-21
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38 Solheim, Ole; Johansen, Tonni Franke; Cappelen, Johan; Unsgård, Geirmund; Selbekk, Tormod.
Transsellar ultrasound in pituitary surgery with a designated probe: Early experiences. Operative Neurosurgery 2016 ;Volum 12.(2) s. 128-133
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39 Talberg, Andreas Sørbrøden; Johansen, Tonni Franke.
Acoustic measurements above a plate carrying Lamb waves. I: Proceedings of the 39th Scandinavian Symposium on Physical Acoustics. : Norsk Fysisk Selskap 2016 ISBN 978-82-8123-016-3. s. -
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40 Talberg, Andreas Sørbrøden; Johansen, Tonni Franke.
Acoustic measurements above a plate carrying Lamb waves. The 39th Scandinavian Symposium on Physical Acoustics; 2016-01-31 - 2016-02-03
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41 Talberg, Andreas Sørbrøden.
Experimental Evaluation of Broadband Wave Propagation in Plates. Norges teknisk-naturvitenskapelige universitet 2016 102 s.
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42 Tran, Thi Khanh Hoa; Manh, Tung; Johansen, Tonni Franke; Hoff, Lars.
Temperature effects on ultrasonic phase velocity and attenuation in Eccosorb and PMMA. Proceedings - IEEE Ultrasonics Symposium 2016 ;Volum 2016-November. s. -
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43 Viggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru.
Analysis of outer-casing echoes in simulations of ultrasonic pulse-echo through-tubing logging. Geophysics 2016 ;Volum 81.(6) s. D679-D685
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44 Viggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru.
Simulation and modeling of ultrasonic pitch-catch through-tubing logging. Geophysics 2016 ;Volum 81.(4) s. D383-D393
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2015
45 Viggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru.
Simulation and modelling of ultrasonic double-casing well logging. 38th Scandinavian Symposium on Physical Acoustics; 2015-02-03 - 2015-02-03
SINTEF Untitled
 
2014
46 Manh, Tung; Hoff, Lars; Johansen, Tonni Franke.
Design and prototyping of dual layer linear arrays. I: 2014 IEEE International Ultrasonics Symposium Proceedings (IUS), Chicago, Illinois USA, September 3-6, 2014. IEEE conference proceedings 2014 ISBN 978-1-4799-7049-0. s. 971-974
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47 Manh, Tung; Jensen, Geir Uri; Johansen, Tonni Franke; Hoff, Lars.
Modeling of micromachined silicon–polymer 2-2 composite matching layers for 15 MHz ultrasound transducers. Ultrasonics 2014 ;Volum 54.(4) s. 1088-1096
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48 Manh, Tung; Nguyen, Anh Tuan Thai; Johansen, Tonni Franke; Hoff, Lars.
Microfabrication of stacks of acoustic matching layers for 15 MHz ultrasonic transducers. Ultrasonics 2014 ;Volum 54.(2) s. 614-620
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2013
49 Afadzi, Mercy; Strand, Sabina P.; Nilssen, Esben A.; Måsøy, Svein-Erik; Johansen, Tonni Franke; Hansen, Rune; Angelsen, Bjørn Atle J.; Davies, Catharina De Lange.
Mechanisms of the Ultrasound-Mediated Intracellular Delivery of Liposomes and Dextrans. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2013 ;Volum 60.(1) s. 21-33
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50 Manh, Tung; Jensen, Geir Uri; Johansen, Tonni Franke; Hoff, Lars.
Microfabricated 1-3 composite acoustic matching layers for 15 MHz transducers. Ultrasonics 2013 ;Volum 53.(6) s. 1141-1149
USN SINTEF NTNU Untitled
 
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