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Audun Oppedal Pedersen's picture

Audun Oppedal Pedersen

Associate Professor, Acoustics, Ocean Technology

PHYS273 Marine acoustics (teacher)

PHYS114 Basic Measurement Science and Experimental Physics (contributor)

PHYS111 Mechanics 1 (lab excercises)

HTEK301 Selected Topics in Ocean Technology (contributor)

A. O. Pedersen, P. B. Nagy, F. Simonetti, and G. Instanes, "Tomographic monitoring of wall thickness," presented at Underwater Technology Conference, Bergen, 15 June 2022.

A.O. Pedersen, P. Lunde, R. J. Korneliussen, and F. E. Tichy, "Finite-amplitude sound propagation effects in fish abundance estimation," presented at 45th Scandinavian Symposium on Physical Acoustics, Online, 31 Jan-1 Feb 2022.

A. O. Pedersen, P. Lunde, F. E. Tichy, and R. J. Korneliussen, "Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation." Acta Acustica, 6, 14, 2022.

A. O. Pedersen and G. Instanes, “Method and apparatus for calculation of wall thickness variations,“ U.S. patent application 16,842,027, UK patent application 2005130.6, Norwegian patent application 20200425, 2020.

G. Instanes, A. O. Pedersen, and F. Simonetti, “Using Long-Range Microwaves to Detect Wet Insulation & Corrosion Residue to Mitigate CUI”, Presented at the 17th Middle East Corrosion Conference & Exhibition, Bahrain, 30 September–3 October 2018.

G. Instanes, A. O. Pedersen, and F. Simonetti, “Ultrasonic Computerized Tomography for Continuous Monitoring of Corrosion and Erosion Damage in Pipes”, Presented at the 17th Middle East Corrosion Conference & Exhibition, Bahrain, 30 September–3 October 2018.

F. Simonetti, G. Instanes, and A. O. Pedersen, “First field results of guided wave tomography for continuous monitoring of corrosion and erosion damage in pipelines”, In Proceedings of the 11th International Workshop on Structural Health Monitoring, September 12-14, Stanford CA, 2017.

A. O. Pedersen. Combatting corrosion. Oilfield Technology, January 2017. Available online: https://www.clampon.com/wp-content/uploads/2017/05/Combatting-Corrosion-...

G. Instanes, F. Simonetti, P. B. Nagy, and A. O. Pedersen, “Corrosion-Erosion Monitoring Systems for Managing Asset Integrity”, presented at 16th Middle East Corrosion Conference and Exhibition, Bahrain, 2016.

F. Simonetti, P. B. Nagy, G. Instanes, and A. O. Pedersen, “Ultrasonic Computerized Tomography for Continuous Monitoring of Corrosion and Erosion Damage in Pipelines”, presented at EuroCORR 2016, Montpellier, 11–15 September 2016.

F. Simonetti, P. B. Nagy, A. Brath, C. L. Willey, G. Instanes, and A. O. Pedersen, “Ultrasonic Computerized Tomography for Continuous Monitoring of Corrosion and Erosion Damage in Pipelines”, presented at NACE CORROSION 2015 Conference and EXPO, Houston TX, 2015.

P. Lunde and A. O. Pedersen, “Volume backscattering of finite-amplitude acoustic waves: Power flow, sampled volume, and scattering cross section”, presented at 38th Scandinavian Symposium on Physical Acoustics, Geilo, Norway, February 2015. Available online: http://www.norskfysikk.no/nfs/faggrupper/akustikk2015/program.html

G. Instanes, F. Simonetti, and A. O. Pedersen, “Can a Corrosion Monitoring System with Tomography Provide Minimum Wall Thickness Readings?”, presented at Deep Offshore Technology (DOT), Houston, TX, USA, 22–24 October, 2013.

P. Lunde, A. O. Pedersen, R. Korneliussen, F. E. Tichy, and H. Nes “Power-budget and echo-integrator equations for fish abundance estimation”, Fisken og havet no. 10/2013, Institute of Marine Research, Bergen, Norway, 39 p.Available online: https://www.hi.no/hi/nettrapporter/fisken-og-havet/2013/fh_10-2013_echo_...

P. Lunde and A. O. Pedersen, “Sonar and power budget equations for backscattering of finite amplitude sound waves, with implications in fishery acoustics for abundance estimation of marine resources”, presented at 35th Scandinavian Symposium on Physical Acoustics, Geilo, Norway, 29 January–1 February, 2012. Available online:https://www.ntnu.edu/documents/14687435/14716676/SSPA_2012_Lunde_Pederse...

M. Breen, B. Isaksen, E. Ona, A. O. Pedersen, G. Pedersen, J. Saltskår, B. Svardal, M. Tenningen, P. J. Thomas, B. Totland, and A. Vold, “A review of possible mitigation measures for reducing mortality caused by slipping from purse-seine fisheries", The International Council for the Exploration of the Seas (ICES) CM 100/2012.

R. J. Korneliussen and A. Pedersen, “Correction of historical multi-frequency data for nonlinear loss”, presented at the ICES Working Group on Fisheries Acoustic Science and Technology (WGFAST), Reykjavik, Iceland, 2011.

O. Brix, G. Pedersen, A. O. Pedersen, J. Spilde, G. Lied, and E. O. Dahl, “Petroleum technology supports fisheries management”, Biophysics & Bioengineering Letters 4(1), 2011.Available online: https://ojs.uniroma1.it/index.php/CISB-BBL/article/view/9156/0

G. Instanes, A. Pedersen, M. Toppe, and P. B. Nagy, “Constant group velocity ultrasound guided wave inspection for corrosion and erosion monitoring in pipes”. AIP Conf. Proc., 1096, pp. 1386–1393, 2009.Available online: https://doi.org/10.1063/1.3114119

J. Dalen, J. M. Hovem, H. E. Karlsen, P. H. Kvadsheim, S. Løkkeborg, R. Mjelde, A. Pedersen, and A. B. Skiftesvik, “Kunnskapsstatus og forskningsbehov med hensyn til skremmeeffekter og skadevirkninger av seismiske lydbølger på fisk og sjøpattedyr” (Knowledge status and research needs regarding adverse effects of seismics sound waves on fish and marine mammals). Report to the Directorate of Fisheries, Norwegian Petroleum Directorate, and Norwegian Pollution Control Authority. Bergen, 2008. ISBN 82-7257-661-9.

G. Instanes and A. O. Pedersen, “Leaking subsea valves; identification, quantification, and monitoring by using ultrasonic systems”, presented at SPE Asia Pacific Oil and Gas Conference and Exhibition, Perth, Australia, 20–22 October 2008.

A. Pedersen, “Effects of nonlinear sound propagation in fisheries research”. Doctoral thesis, University of Bergen, Norway, 2007. ISBN 978-82-308-0345-5. Available in BORA: http://hdl.handle.net/1956/2158

A. Pedersen, M. Vestrheim, and P. Lunde, “Quantification of nonlinear sound propagation effects in fisheries research echo sounders”. In Proc. Underwater Acoustic Measurements: Technologies & Results, Heraklion, Greece, 28 June–1 July, 2005.

A. Pedersen, M. Vestrheim, and P. Lunde, ”Nonlinear sound propagation effects in fisheries research echo sounders – Measurements and simulations in fresh water”. In Proc. 28th Scandinavian Symposium on Physical Acoustics, Ustaoset, Norway, 23–26 January, 2005.

A. Pedersen, “Design og studier av lydkilde for SOBER-prosjektet". Cand. scient. thesis, University of Bergen, Norway, 2002. Available in BORA: http://hdl.handle.net/1956/1698

Academic article
  • Show author(s) (2022). Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation. Acta Acustica. 12 pages.
  • Show author(s) (2011). Petroleum technology supports fisheries management. Biophysics & Bioengeenering Letters. 7 pages.
Report
  • Show author(s) (2013). Power-budget and echo-integrator equations for fish abundance estimation. 10/2013. 10/2013. .
  • Show author(s) (2012). Instrumentering for trenging i not. Forstudie. .
Lecture
  • Show author(s) (2022). Tomographic monitoring of wall thickness.
Academic lecture
  • Show author(s) (2015). "Volume backscattering of finite-amplitude acoustic waves: Power flow, sampled volume, and scattering cross section".
  • Show author(s) (2012). Sonar and power budget equations for backscattering of finite amplitude sound waves, with implications in fishery acoustics for abundance estimation of marine resources.
  • Show author(s) (2009). "Nonlinear sound propagation fisheries research echo" sounders (abstract).
  • Show author(s) (2008). "Nonlinear sound propagation fisheries research echo sounders".
  • Show author(s) (2005). Consequences of non-linear sound propagation on target strength measurements - preliminary studies.
  • Show author(s) (2005). "Quantification of nonlinear sound propagation effects in fisheries research echo sounders".
  • Show author(s) (2005). "Nonlinear sound propagation effects in fisheries research echo sounders - Measurements and simulations in fresh water".
  • Show author(s) (2005). "Nonlinear effects in fisheries and research echo sounders and sonars".
  • Show author(s) (2005). "Nonlinear effects in a 200 kHz sound beam".
  • Show author(s) (2004). "Convergence and accuracy of the Bergen Code for investigating nonlinear effects in fishery echo sounders".
  • Show author(s) (2002). Simulations, design and measurements on a 1 MHz air-backed transducer.
Other product
  • Show author(s) (2022). Method And Apparatus For Calculation Of Wall Thickness Variations. Patent US 11466983 B2. Application filed 2020-04-07.
Thesis at a second degree level
  • Show author(s) (2002). Design og studier av lydkilde for SOBER-prosjektet.
Popular scientific article
  • Show author(s) (2017). Combatting Corrosion. Oilfield Technology.
Doctoral dissertation
  • Show author(s) (2007). Effects of nonlinear sound propagation in fisheries research.
Academic chapter/article/Conference paper
  • Show author(s) (2022). Finite-amplitude sound propagation effects in fish abundance estimation. 3 pages.
Poster
  • Show author(s) (2005). Ikkelineær lydforplantning ved bruk av ekkolodd i firskeriforvaltning.

More information in national current research information system (CRIStin)