Ivar Langen

Aeran, Ashish; Acosta, Ruth; Siriwardane , S.A. Sudath C.; Starke, Peter; Mikkelsen, Ove; Langen, Ivar; Walther, Frank

(2020)

International Journal of Fatigue.

ISSN 0142-1123.

Volum 135.

DOI: 10.1016/j.ijfatigue.2020.105568

Aeran, Ashish; Siriwardane , S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar

(2017)

Marine Structures.

ISSN 0951-8339.

Volum 56.

s.237-259.

DOI: 10.1016/j.marstruc.2017.08.002

Aeran, Ashish; Siriwardane , S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar

(2017)

International Journal of Fatigue.

ISSN 0142-1123.

Volum 103.

s.327-341.

DOI: 10.1016/j.ijfatigue.2017.06.017

Aeran, Ashish; Siriwardane , S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar

(2017)

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5765-6.

DOI: 10.1115/OMAE2017-62063

Aeran, Ashish; Siriwardane , S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar

(2017)

IOP Conference Series: Materials Science and Engineering.

ISSN 1757-8981.

Volum 276.

Hefte 1.

s.1-16.

DOI: 10.1088/1757-899X/276/1/012038

Marchenko, Aleksey; Langen, Ivar; Shestov, Aleksey

(2009)

Hydrological Characteristics of a Narrow and Shallow Part of Van Mijen Fjord on Spitsbergen. I: Proceedings of the Nineteenth (2009) International Offshore and Polar Engineering Conference.

International Society of Offshore & Polar Engineers.

ISBN 978-1-880653-53-1.

s.649-658.

Hellevik, Svein Gunnar; Langen, Ivar

(2000)

Optimal Design-Phase Inspection and Replacement Planning of Pipelines Subjected to Co2 Corrosion.

International Journal of Offshore and Polar Engineering.

ISSN 1053-5381.

Volum 10.

Hefte 2.

s.121-130.

Hellevik, Svein Gunnar; Langen, Ivar; Sørensen, John D

(1999)

Cost Optimal Reliability Based Inspection and Replacement Planning of Piping Subjected to CO2 Corrosion.

International Journal of Pressure Vessels and Piping.

ISSN 0308-0161.

Volum 76.

Hefte 8.

s.527-538.

Langen, Ivar; Skjåstad, Otto; Haver, Sverre

(1998)

Measured and predicted dynamic behaviour of an offshore gravity platform.

Applied Ocean Research.

ISSN 0141-1187.

Volum 20.

s.15-26.

Chung, Jim S.; Langen, Ivar; Kokkinis, Ted; Wang, Alan M.

(2013)

Proceedings of The 23rd International Ocean and Polar Engineering Conference (ISOPE 2013).

International Society of Offshore & Polar Engineers.

ISBN 978-1-880653-99-9.

Volum 4.

Hefte 1.

Chung, Jin S.; Langen, Ivar; Hong, Sa Young; Prinsenberg, Simon J.

(2012)

Proceedings of the Twenty-second (2012) International Offshore and Polar Engineering Conference.

International Society of Offshore & Polar Engineers.

ISBN 978-1-880653-94-4.

Hefte 1-4.

Hygen, Gunn Kari K.; Langen, Ivar; Schjølberg, Per; Mathisen, Håkon s.; Hansen, Ernst W.M.

(1999)

Fokus på produksjon, drift og vedlikehold offshore. Teknologiske utfordringer: ståsted og styrkeområder.

Marchenko, Aleksey; Langen, Ivar; Shestov, Aleksey

(2009)

Hydrological Characteristics of a Narrow and Shallow Part of Van Mijen Fjord on Spitsbergen.

19th International Offshore and Polar Engineering Conference - ISOPE 2009;

2009-06-21 - 2009-06-26.

Marchenko, Aleksey; Langen, Ivar; Shestov, Aleksey

(2008)

Hydrological Characteristics of the Strait Separating Braganzavågen from Sveabukta in Van Mijen Fjord.

Coastal Technology - Coast 2008 International Workshop Celebrating Professor Alf Tørum's 75th Birthday;

2008-05-29 - 2008-05-30.

Ersdal, Gerhard; Kübler, Oliver; Faber, Michael H; Sørensen, John Dalsgaard; Haver, Sverre; Langen, Ivar

(2004)

Economic Optimal Reserve Strength for a Jacket Structure.

ASRANet International Colloquium;

2004-07-05 - 2004-07-07.

Ersdal, Gerhard; Sørensen, John Dalsgaard; Langen, Ivar

(2003)

Updating of structural failure probability based on experienced wave loading.

The Thirteenth (2003) International Offshore and Polar Engineering Conference;

2003-05-25 - 2003-05-30.

Ersdal, Gerhard; Langen, Ivar

(2002)

On Assessment of Existing Offshore Structures.

The Twelfth (2002) International Offshore and Polar Engineering Conference;

2002-05-26 - 2002-05-31.

Than, Thuong Kim; Langen, Ivar; Birkeland, Oddvar

(2002)

Modelling and Simulation of Offshore Crane Operations on a Floating Production Vessel.

The Twelfth (2002) International Offshore and Polar Engineering Conference;

2002-05-26 - 2002-05-31.

Hellevik, Svein Gunnar; Langen, Ivar

(2000)

In-Service Inspection Planning of Flowlines Subjected to CO2 Corrosion.

The 10th (2000) International Offshore and Polar Engineering Conference;

Langen, Ivar; Than, Thuong Kim; Birkeland, Oddvar; Rølvåg, Terje

(2000)

Simulation of Dynamic Behaviour of a FPSO Crane.

The 5th North Sea Offshore Cranes Conference,;

Dalane, Jan Inge; Langen, Ivar; Schueller, G.I.; Shinozuka, M.; Yao, J.T.P.

(2000)

Probabilistic Inspection Planning for Offshore Structures Using Inspection Importance Measure.

ICOSSAR'93 - The 6th International Conference on Structural Safety and reliability;

Dalane, Jan Inge; Haver, Sverre; Langen, Ivar

(2000)

Variability in Load and Strength for a Jack-up Structure.

ISOPE'93 - The Third (1993)International Offshore and Polar Engineering Conference;

Hellevik, Svein Gunnar; Grundy, Paul; Koo, Jay; Langen, Ivar; Ueda, Yukio

(1999)

Optimal Design-Phase Inspection and Replacement Planning of Pipelines Subjected to CO2 Corrosion.

ISOPE-99 The Ninth International Offshore and Polar Engineering Conference;

Jakobsen, Rolf; Bai, Yong; Langen, Ivar

(1999)

Assessment of pipeline girth welds.

ISOPE'99 Moscow;

Gudmestad, Ove Tobias; Langen, Ivar

(1998)

On the importance of carrying out physical model tests.

OTRC-97 International Conference on Nonlinear Design Aspects of Physical Model Tests;

Hellevik, Svein Gunnar; Langen, Ivar; Sørensen, John D.; Kisisel, I.T.

(1998)

Cost Optimal Reliability Based Inspection and Replacement Planning of Piping.

The 1997 ASME Pressure Vessels and Piping Conference;

Langen, Ivar; Skjåstad, O.; Haver, S.; Vugts, J.H.

(1998)

Measured and Predicted Dynamic Behaviour of an Offshore Gravity Platform.

BOSS'97 Eighth International Conference on the Behaviour of Off shore Structures;