Gunnar Härkegård
Om
Leseren henvises til den engelske versjonen av hjemmesiden.
The interested reader is kindly referred to the English version of my home page.
Kompetanseord
Publikasjoner
2023
-
Härkegård, Gunnar.
(2023)
Intrinsic-crack modelling of the notch fatigue limit of a solid with an elliptical-cylindrical or a spheroidal cavity.
Engineering Fracture Mechanics
Vitenskapelig artikkel
2021
-
Härkegård, Gunnar.
(2021)
Critical-distance fatigue analysis of limiting cases of ellipsoidal cavities.
Engineering Fracture Mechanics
Vitenskapelig artikkel
2017
-
Härkegård, Gunnar.
(2017)
Comparison between different methods for the prediction of the fatigue limit of a member with a small crack.
Procedia Structural Integrity
Vitenskapelig artikkel
-
Klungerbo, Kristine;
Härkegård, Gunnar.
(2017)
Finite element analysis of peak stress and stress gradient at an elliptical through-hole.
Journal of Strain Analysis for Engineering Design
Vitenskapelig artikkel
-
Qvale, Paul;
Härkegård, Gunnar.
(2017)
A simplified method for weakest-link fatigue assessment based on finite element analysis.
International Journal of Fatigue
Vitenskapelig artikkel
2016
-
Härkegård, Gunnar.
(2016)
Modelling the effect of a spherical cavity on the fatigue limit of a 12% Cr steel.
Theoretical and Applied Fracture Mechanics
Vitenskapelig artikkel
-
Bruun, Øyvind Aleksander;
Härkegård, Gunnar.
(2016)
Erratum: A comparative study of design code criteria for prediction of the fatigue limit under in-phase and out-of-phase tension-torsion cycles (International Journal of Fatigue (2015) 73 (1-16) DOI: 10.1016/j.ijfatigue.2014.10.015).
International Journal of Fatigue
Errata
-
Skallerud, Bjørn Helge;
Härkegård, Gunnar;
Lotsberg, Inge;
Wormsen, Anders.
(2016)
Preface to the special issue of International Journal of Fatigue on "fatigue at all scales".
International Journal of Fatigue
Leder
2015
-
Bruun, Øyvind Aleksander;
Härkegård, Gunnar.
(2015)
A comparative study of design code criteria for prediction of the fatigue limit under in-phase and out-of-phase tension-torsion cycles.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar.
(2015)
Short-crack modelling of the effect of corrosion pits on the fatigue limit of 12% Cr steel.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
2014
-
Crawford, B. R.;
Loader, C.;
Liu, Q.;
Harrison, T. J.;
Sharp, P. K.;
Härkegård, Gunnar.
(2014)
Experimental and modeling study of the effect of corrosion pitting on fatigue failure locations in aircraft components.
Advanced Materials Research
Vitenskapelig artikkel
-
Wormsen, Anders;
Härkegård, Gunnar.
(2014)
A novel probabilistic fatigue assessment tool and its application to an offshore riser joint.
Procedia Materials Science
Vitenskapelig artikkel
2013
-
Cetin, Ali;
Næss, Arvid;
Härkegård, Gunnar.
(2013)
A physically based extreme value characterization of material fatigue.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar;
Svensson, Thomas;
Zambrano, Habib.
(2013)
Round-robin prediction of the fatigue limit of a ring of spheroidal graphite cast iron.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Zambrano, Habib;
Härkegård, Gunnar.
(2013)
Self-arresting cracks at notches in ductile cast iron.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Cetin, Ali;
Härkegård, Gunnar;
Næss, Arvid.
(2013)
The fatigue limit: An analytical solution to a Monte Carlo problem.
International Journal of Fatigue
Vitenskapelig artikkel
2012
-
Härkegård, Gunnar;
Marquis, Gary.
(2012)
Special Issue 'Fatigue Design & Material Defects'.
International Journal of Fatigue
Leder
-
Härkegård, Gunnar.
(2012)
Dimensjonering av maskindeler.
Tapir Akademisk Forlag
Tapir Akademisk Forlag
Lærebok
-
Zambrano, Habib;
Härkegård, Gunnar;
Stärk, Klaus.
(2012)
Fracture toughness and growth of short and long fatigue cracks in ductile cast iron EN-GJS-400-18-LT.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Shirani, Mehdi;
Härkegård, Gunnar.
(2012)
Damage tolerant design of cast components based on defects detected by 3D X-ray computed tomography.
International Journal of Fatigue
Vitenskapelig artikkel
-
Karlén, Kristoffer;
Mårten, Olsson;
Ahmadi, Hamidreza;
Härkegård, Gunnar.
(2012)
On the effect of random defects on the fatigue notch factor at different stress ratios.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar;
Marquis, Gary.
(2012)
Guest Editorial, Special Issue ‘Fatigue Design & Material Defects’.
International Journal of Fatigue
Leder
2011
-
Shirani, Mehdi;
Harkegård, Gunnar.
(2011)
Large scale axial fatigue testing of ductile cast iron for heavy section wind turbine components.
Engineering Failure Analysis
Vitenskapelig artikkel
-
Shirani, Mehdi;
Harkegård, Gunnar.
(2011)
Fatigue life distribution and size effect in ductile cast iron for wind turbine components.
Engineering Failure Analysis
Vitenskapelig artikkel
-
Shirani, Mehdi;
Härkegård, Gunnar.
(2011)
Casting defects and fatigue behaviour of ductile cast iron for wind turbine components: A comprehensive study.
Materialwissenschaft und Werkstofftechnik
Vitenskapelig artikkel
-
Härkegård, Gunnar.
(2011)
International Symposium on Fatigue Design & Material Defects: Book of Abstracts.
IPM, NTNU
IPM, NTNU
Utstillingskatalog
2010
-
Zambrano, Habib;
Harkegård, Gunnar.
(2010)
Self Arresting Fatigue Cracks at Notches in Nodular Cast Iron.
Procedia Engineering
Vitenskapelig artikkel
-
Shirani, Mehdi;
Harkegård, Gunnar;
Morin, N..
(2010)
Fatigue Life Prediction of Components Made of Spheroidal Graphite Cast Iron.
Procedia Engineering
Vitenskapelig artikkel
-
Cetin, Ali;
Harkegård, Gunnar.
(2010)
Fatigue life prediction for large threaded components.
Procedia Engineering
Vitenskapelig artikkel
-
Harkegård, Gunnar;
Halleraker, G.
(2010)
Assessment of methods for prediction of notch and size effects at the fatigue limit based on test data by Bohm and Magin.
International Journal of Fatigue
Vitenskapelig artikkel
2009
-
Shirani, Mehdi;
Harkegård, Gunnar.
(2009)
Fatigue Crack Growth Simulation in Components with Random Defects.
Journal of ASTM International
Vitenskapelig artikkel
2008
-
Fjeldstad, Arne;
Wormsen, Anders;
Härkegård, Gunnar.
(2008)
Simulation of fatigue crack growth in components with random defects.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Fjeldstad, Arne;
Wormsen, Anders;
Härkegård, Gunnar.
(2008)
Approximate stress intensity factors for cracked V-notched specimens based on asymptotic solutions with application to T-joints.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Wormsen, Anders;
Fjeldstad, Arne;
Härkegård, Gunnar.
(2008)
A post-processor for fatigue crack growth analysis based on a finite element stress field.
Computer Methods in Applied Mechanics and Engineering
Vitenskapelig artikkel
2007
-
Mann, Torsten;
Härkegård, Gunnar;
Stärk, Klaus.
(2007)
Short fatigue crack growth in aluminium alloy 6082-T6.
International Journal of Fatigue
Vitenskapelig artikkel
-
Wormsen, Anders;
Sjodin, B;
Härkegård, Gunnar;
Fjeldstad, Arne.
(2007)
Non-local stress approach for fatigue assessment based on weakest-link theory and statistics of extremes.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Wormsen, Anders;
Sjödin, Björn;
Härkegård, Gunnar;
Fjeldstad, Arne.
(2007)
Non-local stress approach for fatigue assessment based on weakest-link theory and statistics of extremes.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Wormsen, Anders;
Fjeldstad, Arne;
Härkegård, Gunnar.
(2007)
A post-processor for fatigue crack growth analysis based on a finite element stress field.
Computer Methods in Applied Mechanics and Engineering
Vitenskapelig artikkel
2006
-
Tveiten, Bård Wathne;
Fjeldstad, Arne;
Härkegård, Gunnar;
Myhr, Ole Runar;
Bjørneklett, Børge.
(2006)
Fatigue life enhancement of aluminium joints through mechanical and thermal prestressing.
International Journal of Fatigue
Vitenskapelig artikkel
-
Mann, Torsten;
Tveiten, Bård Wathne;
Harkegård, Gunnar.
(2006)
Fatigue crack growth analysis of welded aluminium RHS T-joints with manipulated residual stress level.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Mann, Torsten;
Härkegård, Gunnar;
Tveiten, Bård.
(2006)
Fatigue assessment methods for welded structures and their application to an aluminium T-joint.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU, 1503-8181 (2006:129)
Doktorgradsavhandling
-
Nakajo, Arata;
Stiller, Christoph;
Harkegård, Gunnar;
Bolland, Olav.
(2006)
Modeling of thermal stresses and probability of survival of tubular SOFC.
Journal of Power Sources
Vitenskapelig artikkel
-
Wormsen, Anders;
Fjeldstad, Arne;
Härkegård, Gunnar.
(2006)
The application of asymptotic solutions to a semi-elliptical crack at the root of a notch.
Engineering Fracture Mechanics
Vitenskapelig artikkel
2005
-
Härkegård, Gunnar;
Wormsen, Anders.
(2005)
Non-linear analysis of shallow cracks in smooth and notched plates. Part 1: analytical evaluation.
Journal of Strain Analysis for Engineering Design
Vitenskapelig artikkel
-
Wormsen, Anders;
Härkegård, Gunnar.
(2005)
Non-linear analysis of shallow cracks in smooth and notched plates. Part 2: finite element validation.
Journal of Strain Analysis for Engineering Design
Vitenskapelig artikkel
-
Huth, Hans-Jörg;
Härkegård, Gunnar.
(2005)
Fatigue Design of Hydraulic Turbine Runners.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU, 1503-8181 (2005:19)
Doktorgradsavhandling
-
Harkegård, Gunnar;
Denk, Josef;
Stärk, Klaus.
(2005)
Growth of naturally initiated fatigue cracks in ferritic gas turbine rotor steels.
International Journal of Fatigue
Vitenskapelig artikkel
2004
-
Harkegård, Gunnar.
(2004)
Dimensjonering av maskindeler.
Tapir Akademisk Forlag
Tapir Akademisk Forlag
Lærebok
-
Härkegård, Gunnar.
(2004)
Evaluation of the Gas Turbine Centre.
The Swedish Energy Agency
The Swedish Energy Agency
Rapport
-
Huth, Hans-Jörg;
Härkegård, Gunnar.
(2004)
Experimental fatigue testing of standard and shape optimised Francis runner notches.
NTNU
NTNU
Rapport
Tidsskriftspublikasjoner
-
Härkegård, Gunnar.
(2023)
Intrinsic-crack modelling of the notch fatigue limit of a solid with an elliptical-cylindrical or a spheroidal cavity.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Härkegård, Gunnar.
(2021)
Critical-distance fatigue analysis of limiting cases of ellipsoidal cavities.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Härkegård, Gunnar.
(2017)
Comparison between different methods for the prediction of the fatigue limit of a member with a small crack.
Procedia Structural Integrity
Vitenskapelig artikkel
-
Klungerbo, Kristine;
Härkegård, Gunnar.
(2017)
Finite element analysis of peak stress and stress gradient at an elliptical through-hole.
Journal of Strain Analysis for Engineering Design
Vitenskapelig artikkel
-
Qvale, Paul;
Härkegård, Gunnar.
(2017)
A simplified method for weakest-link fatigue assessment based on finite element analysis.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar.
(2016)
Modelling the effect of a spherical cavity on the fatigue limit of a 12% Cr steel.
Theoretical and Applied Fracture Mechanics
Vitenskapelig artikkel
-
Bruun, Øyvind Aleksander;
Härkegård, Gunnar.
(2016)
Erratum: A comparative study of design code criteria for prediction of the fatigue limit under in-phase and out-of-phase tension-torsion cycles (International Journal of Fatigue (2015) 73 (1-16) DOI: 10.1016/j.ijfatigue.2014.10.015).
International Journal of Fatigue
Errata
-
Skallerud, Bjørn Helge;
Härkegård, Gunnar;
Lotsberg, Inge;
Wormsen, Anders.
(2016)
Preface to the special issue of International Journal of Fatigue on "fatigue at all scales".
International Journal of Fatigue
Leder
-
Bruun, Øyvind Aleksander;
Härkegård, Gunnar.
(2015)
A comparative study of design code criteria for prediction of the fatigue limit under in-phase and out-of-phase tension-torsion cycles.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar.
(2015)
Short-crack modelling of the effect of corrosion pits on the fatigue limit of 12% Cr steel.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Crawford, B. R.;
Loader, C.;
Liu, Q.;
Harrison, T. J.;
Sharp, P. K.;
Härkegård, Gunnar.
(2014)
Experimental and modeling study of the effect of corrosion pitting on fatigue failure locations in aircraft components.
Advanced Materials Research
Vitenskapelig artikkel
-
Wormsen, Anders;
Härkegård, Gunnar.
(2014)
A novel probabilistic fatigue assessment tool and its application to an offshore riser joint.
Procedia Materials Science
Vitenskapelig artikkel
-
Cetin, Ali;
Næss, Arvid;
Härkegård, Gunnar.
(2013)
A physically based extreme value characterization of material fatigue.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar;
Svensson, Thomas;
Zambrano, Habib.
(2013)
Round-robin prediction of the fatigue limit of a ring of spheroidal graphite cast iron.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Zambrano, Habib;
Härkegård, Gunnar.
(2013)
Self-arresting cracks at notches in ductile cast iron.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Cetin, Ali;
Härkegård, Gunnar;
Næss, Arvid.
(2013)
The fatigue limit: An analytical solution to a Monte Carlo problem.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar;
Marquis, Gary.
(2012)
Special Issue 'Fatigue Design & Material Defects'.
International Journal of Fatigue
Leder
-
Zambrano, Habib;
Härkegård, Gunnar;
Stärk, Klaus.
(2012)
Fracture toughness and growth of short and long fatigue cracks in ductile cast iron EN-GJS-400-18-LT.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Shirani, Mehdi;
Härkegård, Gunnar.
(2012)
Damage tolerant design of cast components based on defects detected by 3D X-ray computed tomography.
International Journal of Fatigue
Vitenskapelig artikkel
-
Karlén, Kristoffer;
Mårten, Olsson;
Ahmadi, Hamidreza;
Härkegård, Gunnar.
(2012)
On the effect of random defects on the fatigue notch factor at different stress ratios.
International Journal of Fatigue
Vitenskapelig artikkel
-
Härkegård, Gunnar;
Marquis, Gary.
(2012)
Guest Editorial, Special Issue ‘Fatigue Design & Material Defects’.
International Journal of Fatigue
Leder
-
Shirani, Mehdi;
Harkegård, Gunnar.
(2011)
Large scale axial fatigue testing of ductile cast iron for heavy section wind turbine components.
Engineering Failure Analysis
Vitenskapelig artikkel
-
Shirani, Mehdi;
Harkegård, Gunnar.
(2011)
Fatigue life distribution and size effect in ductile cast iron for wind turbine components.
Engineering Failure Analysis
Vitenskapelig artikkel
-
Shirani, Mehdi;
Härkegård, Gunnar.
(2011)
Casting defects and fatigue behaviour of ductile cast iron for wind turbine components: A comprehensive study.
Materialwissenschaft und Werkstofftechnik
Vitenskapelig artikkel
-
Zambrano, Habib;
Harkegård, Gunnar.
(2010)
Self Arresting Fatigue Cracks at Notches in Nodular Cast Iron.
Procedia Engineering
Vitenskapelig artikkel
-
Shirani, Mehdi;
Harkegård, Gunnar;
Morin, N..
(2010)
Fatigue Life Prediction of Components Made of Spheroidal Graphite Cast Iron.
Procedia Engineering
Vitenskapelig artikkel
-
Cetin, Ali;
Harkegård, Gunnar.
(2010)
Fatigue life prediction for large threaded components.
Procedia Engineering
Vitenskapelig artikkel
-
Harkegård, Gunnar;
Halleraker, G.
(2010)
Assessment of methods for prediction of notch and size effects at the fatigue limit based on test data by Bohm and Magin.
International Journal of Fatigue
Vitenskapelig artikkel
-
Shirani, Mehdi;
Harkegård, Gunnar.
(2009)
Fatigue Crack Growth Simulation in Components with Random Defects.
Journal of ASTM International
Vitenskapelig artikkel
-
Fjeldstad, Arne;
Wormsen, Anders;
Härkegård, Gunnar.
(2008)
Simulation of fatigue crack growth in components with random defects.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Fjeldstad, Arne;
Wormsen, Anders;
Härkegård, Gunnar.
(2008)
Approximate stress intensity factors for cracked V-notched specimens based on asymptotic solutions with application to T-joints.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Wormsen, Anders;
Fjeldstad, Arne;
Härkegård, Gunnar.
(2008)
A post-processor for fatigue crack growth analysis based on a finite element stress field.
Computer Methods in Applied Mechanics and Engineering
Vitenskapelig artikkel
-
Mann, Torsten;
Härkegård, Gunnar;
Stärk, Klaus.
(2007)
Short fatigue crack growth in aluminium alloy 6082-T6.
International Journal of Fatigue
Vitenskapelig artikkel
-
Wormsen, Anders;
Sjodin, B;
Härkegård, Gunnar;
Fjeldstad, Arne.
(2007)
Non-local stress approach for fatigue assessment based on weakest-link theory and statistics of extremes.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Wormsen, Anders;
Sjödin, Björn;
Härkegård, Gunnar;
Fjeldstad, Arne.
(2007)
Non-local stress approach for fatigue assessment based on weakest-link theory and statistics of extremes.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Wormsen, Anders;
Fjeldstad, Arne;
Härkegård, Gunnar.
(2007)
A post-processor for fatigue crack growth analysis based on a finite element stress field.
Computer Methods in Applied Mechanics and Engineering
Vitenskapelig artikkel
-
Tveiten, Bård Wathne;
Fjeldstad, Arne;
Härkegård, Gunnar;
Myhr, Ole Runar;
Bjørneklett, Børge.
(2006)
Fatigue life enhancement of aluminium joints through mechanical and thermal prestressing.
International Journal of Fatigue
Vitenskapelig artikkel
-
Mann, Torsten;
Tveiten, Bård Wathne;
Harkegård, Gunnar.
(2006)
Fatigue crack growth analysis of welded aluminium RHS T-joints with manipulated residual stress level.
Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Vitenskapelig artikkel
-
Nakajo, Arata;
Stiller, Christoph;
Harkegård, Gunnar;
Bolland, Olav.
(2006)
Modeling of thermal stresses and probability of survival of tubular SOFC.
Journal of Power Sources
Vitenskapelig artikkel
-
Wormsen, Anders;
Fjeldstad, Arne;
Härkegård, Gunnar.
(2006)
The application of asymptotic solutions to a semi-elliptical crack at the root of a notch.
Engineering Fracture Mechanics
Vitenskapelig artikkel
-
Härkegård, Gunnar;
Wormsen, Anders.
(2005)
Non-linear analysis of shallow cracks in smooth and notched plates. Part 1: analytical evaluation.
Journal of Strain Analysis for Engineering Design
Vitenskapelig artikkel
-
Wormsen, Anders;
Härkegård, Gunnar.
(2005)
Non-linear analysis of shallow cracks in smooth and notched plates. Part 2: finite element validation.
Journal of Strain Analysis for Engineering Design
Vitenskapelig artikkel
-
Harkegård, Gunnar;
Denk, Josef;
Stärk, Klaus.
(2005)
Growth of naturally initiated fatigue cracks in ferritic gas turbine rotor steels.
International Journal of Fatigue
Vitenskapelig artikkel
Bøker
-
Härkegård, Gunnar.
(2012)
Dimensjonering av maskindeler.
Tapir Akademisk Forlag
Tapir Akademisk Forlag
Lærebok
-
Härkegård, Gunnar.
(2011)
International Symposium on Fatigue Design & Material Defects: Book of Abstracts.
IPM, NTNU
IPM, NTNU
Utstillingskatalog
-
Harkegård, Gunnar.
(2004)
Dimensjonering av maskindeler.
Tapir Akademisk Forlag
Tapir Akademisk Forlag
Lærebok
Rapport
-
Mann, Torsten;
Härkegård, Gunnar;
Tveiten, Bård.
(2006)
Fatigue assessment methods for welded structures and their application to an aluminium T-joint.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU, 1503-8181 (2006:129)
Doktorgradsavhandling
-
Huth, Hans-Jörg;
Härkegård, Gunnar.
(2005)
Fatigue Design of Hydraulic Turbine Runners.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU, 1503-8181 (2005:19)
Doktorgradsavhandling
-
Härkegård, Gunnar.
(2004)
Evaluation of the Gas Turbine Centre.
The Swedish Energy Agency
The Swedish Energy Agency
Rapport
-
Huth, Hans-Jörg;
Härkegård, Gunnar.
(2004)
Experimental fatigue testing of standard and shape optimised Francis runner notches.
NTNU
NTNU
Rapport
Formidling
2017
-
Vitenskapelig foredragHärkegård, Gunnar. (2017) Comparison between different methods for the prediction of the fatigue limit of a member with a small crack. 3rd International Symposium on Fatigue Design and Material Defects , Lecco 19.09.2017 - 22.09.2017
-
Vitenskapelig foredragHärkegård, Gunnar. (2017) Short-crack modelling of the fatigue limit of plain and notched members with application to corrosion pits in a 12% Cr steel. Personal invitation by the Institute of Physics of Materials of the Academy of Sciences of the Czech Republic , Brno 14.11.2017 -
2014
-
Faglig foredragHärkegård, Gunnar. (2014) Fatigue analysis of notches, defects and cracks. The autumn meeting of the Swedish Fatigue Network , KTH, Stockholm 20.10.2014 - 21.10.2014
-
Faglig foredragWormsen, Anders; Härkegård, Gunnar. (2014) A novel probabilistic fatigue assessment tool and its application to an offshore riser joint. 20th European Conference of Fracture , Trondheim 30.06.2014 - 04.07.2014
-
Faglig foredragHärkegård, Gunnar. (2014) Short-crack modelling of the effect of corrosion pits on the fatigue limit of a 12% Cr steel. 2nd International Symposium on Fatigue Design & Material Defects , Paris 11.06.2014 - 13.06.2014
2013
-
Vitenskapelig foredragCetin, Ali; Härkegård, Gunnar; Næss, Arvid. (2013) The fatigue limit: An analytical solution to a Monte Carlo problem. ICEAF III: 3rd International Conference of Engineering Against Failure 26.06.2013 - 28.06.2013
-
Vitenskapelig foredragHärkegård, Gunnar. (2013) Fatigue crack growth threshold modelling of stress raisers with application to corrosion pits. Seminarieserie ved Hållfasthetslära, KTH , KTH, Stockholm 31.01.2013 -
2012
-
Vitenskapelig foredragHärkegård, Gunnar. (2012) Fatigue assessment of stress raisers with application to corrosion fatigue. EPRI Expert Workshop “Corrosion-Fatigue Damage and Life Prediction for Steam Turbine Blades” , Boston 18.07.2012 - 19.07.2012
2011
-
Vitenskapelig foredragKarlén, Kristoffer; Olsson, Mårten; Härkegård, Gunnar. (2011) Comparison between experimentally determined fatigue notch factors and defect-based estimates. International Symposium on Fatigue Design & Material Defects , Trondheim 23.05.2011 - 25.05.2011
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Vitenskapelig foredragShirani, Mehdi; Härkegård, Gunnar; Mathes, Michael. (2011) Damage tolerant design of cast components based on defects detected by 3D X-ray computed tomography. International Symposium on Fatigue Design & Material Defects , Trondheim 23.05.2011 - 25.05.2011
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PosterZambrano, Habib; Härkegård, Gunnar; Stärk, Klaus. (2011) Short fatigue crack growth in ductile cast iron. International Symposium on Fatigue Design & Material Defects , Trondheim 23.05.2011 - 25.05.2011
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Vitenskapelig foredragHärkegård, Gunnar. (2011) Novel Methodology for Fatigue Design of Wind Turbine Components of Ductile Cast Iron. Wind Power R&D seminar - Deep sea offshore wind power , Trondheim 20.01.2011 - 21.01.2011
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PosterHärkegård, Gunnar; Cetin, Ali; Shirani, Mehdi; Zambrano, Habib. (2011) A defect-based fatigue design methodology. International Symposium on Fatigue Design & Material Defects , Trondheim 23.05.2011 - 25.05.2011
2010
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Vitenskapelig foredragShirani, Mehdi; Harkegård, Gunnar. (2010) Fatigue Life Prediction of Components Made of Spheroidal Graphite Iron. 10th International Fatigue Congress , P 06.06.2010 - 11.06.2010
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Vitenskapelig foredragZambrano, Habib; Harkegård, Gunnar. (2010) Self-Arresting Fatigue Cracks at Notches in Nodular Cast Iron. 10th International Fatigue Congress , Praha 06.06.2010 - 11.06.2010
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Vitenskapelig foredragCetin, Ali; Harkegård, Gunnar. (2010) Fatigue Life Prediction for Large Threaded Components. 10th International Fatigue Congress , Praha 06.06.2010 - 11.06.2010
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Vitenskapelig foredragHarkegård, Gunnar. (2010) Software for fatigue life assessment – Features and challenges. UTMIS Spring Meeting ‘Post-processing of FEA stresses for fatigue assessment’ , Örebro 25.05.2010 - 26.05.2010
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Vitenskapelig foredragHarkegård, Gunnar. (2010) A defect-based fatigue design methodology. Fred Nilsson Seminar , KTH, Stockholm 25.11.2010 -
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Vitenskapelig foredragHarkegård, Gunnar. (2010) A shift from empirical to mechanism-based fatigue design criteria. 10th International Fatigue Congress , Prague 06.06.2010 - 11.06.2010
2008
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Vitenskapelig foredragHärkegård, Gunnar. (2008) Fatigue assessment based on weakest-link theory. Seminarier i hållfasthetslära, KTH , KTH, Stockholm 11.03.2008 -
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Vitenskapelig foredragHärkegård, Gunnar. (2008) Fatigue at notches: HCF, LCF, da/dn. Internt symposium, Volvo Aero , Trollhättan 16.04.2008 -
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Vitenskapelig foredragHärkegård, Gunnar. (2008) A post-processor for fatigue-crack growth analysis based on a finite-element stress field and its application to components with random defects. Seminarier i hållfasthetslära, KTH , KTH, Stockholm 08.04.2008 -
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Vitenskapelig foredragHärkegård, Gunnar. (2008) Physically based fatigue life prediction vs. empirical fatigue design – Towards a paradigm shift?. Internt symposium, Scania , Södertälje 29.05.2008 -
2007
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Vitenskapelig foredragHärkegård, Gunnar. (2007) Utmattingsberegninger av støpte vindturbinkomponenter med hensyn til materialdefekter. Prosjektmøte , Brande 29.03.2007 - 29.03.2007
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Vitenskapelig foredragHärkegård, Gunnar. (2007) Probabilistiske utmattingsberegninger av komponenter med materialdefekter. Prosjektmøte , Trondheim 21.03.2007 - 22.03.2007
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Vitenskapelig foredragHärkegård, Gunnar. (2007) Utmatting og materialdefekter i komponenter av støpejern. FeVIND-møte , Trondheim 04.06.2007 -
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Vitenskapelig foredragHärkegård, Gunnar. (2007) Probabilistiske utmattingsberegninger. Invitert foredrag , Trondheim 16.02.2007 - 16.02.2007
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Vitenskapelig foredragHärkegård, Gunnar. (2007) Utmattingsanalyse av vindmøllekomponenter. Prosjektmøte , Trondheim 07.02.2007 - 07.02.2007
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Vitenskapelig foredragHärkegård, Gunnar. (2007) Spännings- och utmattningsanalys i skön förening. UTMIS nätverksmöte , Braås 30.01.2007 - 31.01.2007
2006
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Vitenskapelig foredragWelte, Thomas Michael; Wormsen, Anders; Härkegård, Gunnar. (2006) Influence of Different Operating Patterns on the Life of Francis Turbine Runners. HydroVision 2006 , Portland 31.07.2006 - 04.08.2006
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Vitenskapelig foredragMann, Torsten; Härkegård, Gunnar; Stärk, Klaus. (2006) Short fatigue crack growth in aluminium alloy 6082-T6. International Conference on Fatigue Damage of Structural Materials VI , Hyannis 17.09.2006 - 22.09.2006
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Vitenskapelig foredragFjeldstad, Arne; Härkegård, Gunnar; Wormsen, Anders. (2006) The influence of a stress gradient on the growth of a fatigue crack. 9th international fatigue congress , Atlanta 14.05.2006 - 19.05.2006
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Vitenskapelig foredragWormsen, Anders; Härkegård, Gunnar. (2006) Weibull fatigue analysis of notched components under constant and variable amplitude loading. 9th International Fatigue Congress , Atlanta 14.05.2006 - 19.05.2006
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Vitenskapelig foredragWormsen, Anders; Härkegård, Gunnar; Huth, Hans-Jörg. (2006) Probabilistic fatigue assessment of a hydro-turbine blade model. 9th International Fatigue Congress , Atlanta 14.05.2006 - 19.05.2006
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Vitenskapelig foredragHärkegård, Gunnar. (2006) Nye perspektiver i levetidsberegninger av sveiste og usveiste konstruksjoner – Probabilistiske metoder. Materialdagen 2006 , Stavanger 25.10.2006 - 25.10.2006
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Vitenskapelig foredragHärkegård, Gunnar. (2006) Prosessbasert utmattingsdimensjonering av stykkstøpte lettmetallkomponenter. Prosjektmøte , Trondheim 28.03.2006 - 28.03.2006
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Vitenskapelig foredragWormsen, Anders; Härkegård, Gunnar; Fjeldstad, Arne. (2006) P•FAT - the finite-element post-processor. Prosjektmøte , Kjeller 15.06.2006 - 15.06.2006
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Vitenskapelig foredragHärkegård, Gunnar. (2006) Durable light-alloy car components. Invitert foredrag , München 09.05.2006 - 09.05.2006
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Vitenskapelig foredragHärkegård, Gunnar. (2006) Fatigue-life prediction through post-processing of FEA stress fields. Invitert foredrag , Baden 18.08.2006 - 18.08.2006
2005
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Vitenskapelig foredragWormsen, Anders; Härkegård, Gunnar. (2005) A non-local procedure for the assessment of multiaxial high cycle fatigue failure: computer implementation. Foredrag , Trondheim 20.01.2005 - 20.01.2005
2004
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Vitenskapelig foredragHärkegård, Gunnar. (2004) Utmattingsdimensionering - några personliga reflexioner. UTMIS vårmöte , SIEMENS Industrial Turbines, Finspång 24.05.2004 - 25.05.2004
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Vitenskapelig foredragHärkegård, Gunnar. (2004) Modellering av kast i aksler. Arbeidsgruppe "Maskinering av aksler" , Kongsberg 11.02.2004 - 11.02.2004
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Vitenskapelig foredragWormsen, Anders; Harkegård, Gunnar. (2004) Incorporating Finite Element Analysis into Component Fatigue Strength, Life and Reliability - Part 1. Probabilistic fatigue design of hydraulic turbine runners , Kjeller 26.08.2004 - 26.08.2004
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Vitenskapelig foredragMann, Torsten; Tveiten, Bård Wathne; Harkegård, Gunnar. (2004) Fatigue of Welded Aluminium T-joints. The 15th European Conference of Fracture , Stockholm 11.08.2004 - 13.08.2004
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Vitenskapelig foredragWormsen, Anders; Harkegård, Gunnar. (2004) A Statistical Investigation of Fatigue Behaviour According To Weibull's Weakest-Link Theory. The 15th European Conference of Fracture - Advanced Fracture Mechanics for Life and Safety Assessments , Stockholm 11.08.2004 - 13.08.2004
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Vitenskapelig foredragWormsen, Anders; Harkegård, Gunnar. (2004) Incorporating Finite Element Analysis into Component Fatigue Strength, Life and Reliability - Part 2. Turbinseminar , Trondheim 18.11.2004 - 19.11.2004
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Vitenskapelig foredragWormsen, Anders; Harkegård, Gunnar. (2004) Probabilistic Fatigue Assessment. Probabilistic fatigue design of hydraulic turbine runners , Kjeller 10.03.2004 - 10.03.2004
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Vitenskapelig foredragWormsen, Anders; Harkegård, Gunnar. (2004) A Local Approach for Cracks in Smooth and Notched Components. The 15th European Conference of Fracture - Advanced Fracture Mechanics for Life and Safety Assessment , Stockholm 11.08.2004 - 13.08.2004
2000
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Vitenskapelig foredragHärkegård, Gunnar; Huth, Hans-Jörg; Faanes, Steinar. (2000) FEA-based fatigue assessment methodology for hydraulic turbine runners. Parsons 2000 - Advanced Materials for 21st Century Tubines and Power Plants , Cambridge 03.07.2000 - 07.07.2000