Harkegard, O. : rechercher sur Z-Library

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1

Casting defects and fatigue behaviour of ductile cast iron for wind turbine components: A comprehensive study

M. Shirani, G. Härkegård

Journal:

Materialwissenschaft und Werkstofftechnik

Année:

2011

Langue:

english

Fichier:

PDF, 5.41 MB

english, 2011

2

Dynamic Control Allocation Using Constrained Quadratic Programming

Härkegård, Ola

Journal:

Journal of Guidance Control and Dynamics

Année:

2004

Langue:

english

Fichier:

PDF, 266 KB

english, 2004

3

[IEEE IEEE Conference on Decision and Control - Las Vegas, NV, USA (10-13 Dec. 2002)] Proceedings of the 41st IEEE Conference on Decision and Control, 2002. - Efficient active set algorithms for solving constrained least squares problems in aircraft control allocation

Année:

2002

Langue:

english

Fichier:

PDF, 384 KB

english, 2002

4

A post-processor for fatigue crack growth analysis based on a finite element stress field

A. Wormsen, A. Fjeldstad, G. Härkegård

Journal:

Computer Methods in Applied Mechanics and Engineering

Année:

2008

Langue:

english

Fichier:

PDF, 456 KB

english, 2008

5

Fatigue life distribution and size effect in ductile cast iron for wind turbine components

M. Shirani, G. Härkegård

Journal:

Engineering Failure Analysis

Année:

2011

Langue:

english

Fichier:

PDF, 1.14 MB

english, 2011

6

Fatigue life assessment of aluminum alloys with casting defects

B. Skallerud, T. Iveland, G. Härkegård

Journal:

Engineering Fracture Mechanics

Année:

1993

Langue:

english

Fichier:

PDF, 1.25 MB

english, 1993

7

Fracture toughness and growth of short and long fatigue cracks in ductile cast iron EN-GJS-400-18-LT

H. R. ZAMBRANO, G. HÄRKEGÅRD, K. F. STÄRK

Journal:

Fatigue & Fracture of Engineering Materials & Structures

Année:

2012

Langue:

english

Fichier:

PDF, 2.06 MB

english, 2012

8

[American Institute of Aeronautics and Astronautics AIAA Guidance, Navigation, and Control Conference and Exhibit - Monterey, California ()] AIAA Guidance, Navigation, and Control Conference and Exhibit - Dynamic Control Allocation Using Constrained Quadratic Programming

Härkegård, Ola

Année:

2002

Langue:

english

Fichier:

PDF, 277 KB

english, 2002

9

Neuber prediction of elastic-plastic strain concentration in notched tensile specimens under large-scale yielding

Härkegård, G, Mann, T

Journal:

Journal of Strain Analysis for Engineering Design

Année:

2003

Langue:

english

Fichier:

PDF, 604 KB

english, 2003

10

Large scale axial fatigue testing of ductile cast iron for heavy section wind turbine components

M. Shirani, G. Härkegård

Journal:

Engineering Failure Analysis

Année:

2011

Langue:

english

Fichier:

PDF, 1.50 MB

english, 2011

11

The application of asymptotic solutions to a semi-elliptical crack at the root of a notch

A. Wormsen, A. Fjeldstad, G. Härkegård

Journal:

Engineering Fracture Mechanics

Année:

2006

Langue:

english

Fichier:

PDF, 686 KB

english, 2006

12

Simulation of fatigue crack growth in components with random defects

A. Fjeldstad, A. Wormsen, G. Härkegård

Journal:

Engineering Fracture Mechanics

Année:

2008

Langue:

english

Fichier:

PDF, 923 KB

english, 2008

13

Approximate stress intensity factors for cracked V-notched specimens based on asymptotic solutions with application to T-joints

A. Fjeldstad, A. Wormsen, G. Härkegård

Journal:

Engineering Fracture Mechanics

Année:

2008

Langue:

english

Fichier:

PDF, 761 KB

english, 2008

14

Growth of naturally initiated fatigue cracks in ferritic gas turbine rotor steels

Gunnar Härkegård, Josef Denk, Klaus Stärk

Journal:

International Journal of Fatigue

Année:

2005

Langue:

english

Fichier:

PDF, 335 KB

english, 2005

15

Resolving actuator redundancy—optimal control vs. control allocation

Ola Härkegård, S. Torkel Glad

Journal:

Année:

2005

Langue:

english

Fichier:

PDF, 245 KB

english, 2005

16

Fatigue life prediction of components made of spheroidal graphite cast iron

M. Shirani, G. Härkegård, N. Morin

Journal:

Procedia Engineering

Année:

2010

Langue:

english

Fichier:

PDF, 357 KB

english, 2010

17

Simulation of the growth of near-surface defects

D.N. Dai, D.A. Hills, G. Härkegard, J. Pross

Journal:

Engineering Fracture Mechanics

Année:

1998

Langue:

english

Fichier:

PDF, 653 KB

english, 1998

18

Fatigue crack growth analysis of welded aluminium RHS T-joints with manipulated residual stress level

T. MANN, B. W. TVEITEN, G. HÄRKEGÅRD

Journal:

Fatigue & Fracture of Engineering Materials & Structures

Année:

2006

Langue:

english

Fichier:

PDF, 226 KB

english, 2006

19

Non-local stress approach for fatigue assessment based on weakest-link theory and statistics of extremes

A. WORMSEN, B. SJÖDIN, G. HÄRKEGÅRD, A. FJELDSTAD

Journal:

Fatigue & Fracture of Engineering Materials & Structures

Année:

2007

Langue:

english

Fichier:

PDF, 281 KB

english, 2007

20

Self-arresting cracks at notches in ductile cast iron

Zambrano, H.R., Härkegård, G.

Journal:

Engineering Fracture Mechanics

Année:

2013

Langue:

english

Fichier:

PDF, 869 KB

english, 2013

21

Round-robin prediction of the fatigue limit of a ring of spheroidal graphite cast iron

HÄRKEGÅRD, G., SVENSSON, T., ZAMBRANO, H. R.

Journal:

Fatigue & Fracture of Engineering Materials & Structures

Année:

2013

Langue:

english

Fichier:

PDF, 862 KB

english, 2013

22

Non-linear analysis of shallow cracks in smooth and notched plates. Part 1: analytical evaluation

Härkegård, G, Wormsen, A

Journal:

Journal of Strain Analysis for Engineering Design

Année:

2005

Langue:

english

Fichier:

PDF, 142 KB

english, 2005

23

Non-linear analysis of shallow cracks in smooth and notched plates. Part 2: finite element validation

Wormsen, A, Härkegård, G

Journal:

Journal of Strain Analysis for Engineering Design

Année:

2005

Langue:

english

Fichier:

PDF, 246 KB

english, 2005

24

Preface to the special issue of International Journal of Fatigue on “Fatigue at all scales”

Skallerud, Bjørn, Härkegård, Gunnar, Lotsberg, Inge, Wormsen, Anders

Journal:

International Journal of Fatigue

Année:

2016

Langue:

english

Fichier:

PDF, 173 KB

english, 2016

25

Short-crack modelling of the effect of corrosion pits on the fatigue limit of 12% Cr steel

Härkegård, G.

Journal:

Fatigue & Fracture of Engineering Materials & Structures

Année:

2015

Langue:

english

Fichier:

PDF, 993 KB

english, 2015

26

Command Governor Approach to Maneuver Limiting in Fighter Aircraft

Simon, Daniel, Härkegård, Ola, Löfberg, Johan

Journal:

Journal of Guidance Control and Dynamics

Année:

2016

Langue:

english

Fichier:

PDF, 784 KB

english, 2016

27

Finite element analysis of peak stress and stress gradient at an elliptical through-hole

Klungerbo, Kristine, Härkegård, Gunnar

Journal:

Journal of Strain Analysis for Engineering Design

Année:

2017

Langue:

english

Fichier:

PDF, 3.74 MB

english, 2017

28

Flight Control Design Using Backstepping

Härkegård, Ola, Glad, S. Torkel

Journal:

IFAC Proceedings Volumes

Année:

2001

Langue:

english

Fichier:

PDF, 616 KB

english, 2001

29

[IEEE 2003 European Control Conference (ECC) - Cambridge, UK (2003.9.1-2003.9.4)] 2003 European Control Conference (ECC) - Resolving actuator redundancy — Control allocation vs. linear quadratic control

Année:

2003

Langue:

english

Fichier:

PDF, 238 KB

english, 2003

30

[IEEE 2003 European Control Conference (ECC) - Cambridge, UK (2003.9.1-2003.9.4)] 2003 European Control Conference (ECC) - Resolving actuator redundancy — Control allocation vs. linear quadratic control

Année:

2003

Fichier:

PDF, 238 KB

2003

31

An experimental study of the influence of inclusions on the fatigue properties of steel

Gunnar Härkegård

Journal:

Engineering Fracture Mechanics

Année:

1974

Langue:

english

Fichier:

PDF, 1011 KB

english, 1974

32

On the finite element analysis of crack and inclusion problems in elastic-plastic materials

S.G. Larsson, G. Härkegård

Journal:

Computers & Structures

Année:

1974

Langue:

english

Fichier:

PDF, 733 KB

english, 1974

33

Fatigue life assessment of aluminium alloys with casting defects

B. Skallerud, T. Iveland, G. Harkegard

Journal:

International Journal of Fatigue

Année:

1994

Langue:

english

Fichier:

PDF, 188 KB

english, 1994

34

Fatigue life enhancement of aluminium joints through mechanical and thermal prestressing

Bård Wathne Tveiten, Arne Fjeldstad, Gunnar Härkegård, Ole Runar Myhr, Børge Bjørneklett

Journal:

International Journal of Fatigue

Année:

2006

Langue:

english

Fichier:

PDF, 450 KB

english, 2006

35

Short fatigue crack growth in aluminium alloy 6082-T6

T. Mann, G. Härkegård, K. Stärk

Journal:

International Journal of Fatigue

Année:

2007

Langue:

english

Fichier:

PDF, 360 KB

english, 2007

36

Assessment of methods for prediction of notch and size effects at the fatigue limit based on test data by Böhm and Magin

G. Härkegård, G. Halleraker

Journal:

International Journal of Fatigue

Année:

2010

Langue:

english

Fichier:

PDF, 499 KB

english, 2010

37

Modeling of thermal stresses and probability of survival of tubular SOFC

Arata Nakajo, Christoph Stiller, Gunnar Härkegård, Olav Bolland

Journal:

Journal of Power Sources

Année:

2006

Langue:

english

Fichier:

PDF, 615 KB

english, 2006

38

Self-arresting fatigue cracks at notches in nodular cast iron

H.R. Zambrano, G. Härkegård

Journal:

Procedia Engineering

Année:

2010

Langue:

english

Fichier:

PDF, 387 KB

english, 2010

39

A finite element analysis of elastic-plastic plates containing cavities and inclusions with reference to fatigue crack initiation

Journal:

International Journal of Fracture

Année:

1973

Langue:

english

Fichier:

PDF, 519 KB

english, 1973

40

Fatigue life prediction for large threaded components

Ali Cetin, Gunnar Härkegård

Journal:

Procedia Engineering

Année:

2010

Langue:

english

Fichier:

PDF, 627 KB

english, 2010

41

On the effect of random defects on the fatigue notch factor at different stress ratios

Kristoffer Karlén, Mårten Olsson, Hamidreza Ahmadi, Gunnar Härkegård

Journal:

International Journal of Fatigue

Année:

2012

Langue:

english

Fichier:

PDF, 511 KB

english, 2012

42

Damage tolerant design of cast components based on defects detected by 3D X-ray computed tomography

M. Shirani, G. Härkegård

Journal:

International Journal of Fatigue

Année:

2012

Langue:

english

Fichier:

PDF, 1.95 MB

english, 2012

43

Guest Editorial

Gunnar Härkegård, Gary Marquis

Journal:

International Journal of Fatigue

Année:

2012

Langue:

english

Fichier:

PDF, 107 KB

english, 2012

44

A physically based extreme value characterization of material fatigue

A. Cetin, A. Naess, G. Härkegård

Journal:

International Journal of Fatigue

Année:

2013

Langue:

english

Fichier:

PDF, 341 KB

english, 2013

45

[American Institute of Aeronautics and Astronautics AIAA Guidance, Navigation and Control Conference and Exhibit - Hilton Head, South Carolina ()] AIAA Guidance, Navigation and Control Conference and Exhibit - Vector Backstepping Design for Flight Control

Härkegård, Ola, Glad, Torkel

Année:

2007

Langue:

english

Fichier:

PDF, 438 KB

english, 2007

46

[American Institute of Aeronautics and Astronautics AIAA Guidance, Navigation, and Control Conference - Chicago, Illinois ()] AIAA Guidance, Navigation, and Control Conference - Modifying L1 Adaptive Control for Augmented Angle of Attack Control

Härkegård, Ola

Année:

2009

Langue:

english

Fichier:

PDF, 265 KB

english, 2009

47

The fatigue limit: An analytical solution to a Monte Carlo problem

Cetin, A., Härkegård, G., Naess, A.

Journal:

International Journal of Fatigue

Année:

2013

Langue:

english

Fichier:

PDF, 455 KB

english, 2013

48

A Novel Probabilistic Fatigue Assessment Tool and its Application to an Offshore Riser Joint

Wormsen, A., Härkegård, G.

Journal:

Procedia Materials Science

Année:

2014

Langue:

english

Fichier:

PDF, 836 KB

english, 2014

49

[IEEE 39th IEEE Conference on Decision and Control - Sydney, NSW, Australia (12-15 Dec. 2000)] Proceedings of the 39th IEEE Conference on Decision and Control (Cat. No.00CH37187) - A backstepping design for flight path angle control

Harkegard, O., Torkel Glad, S.

Année:

2000

Langue:

english

Fichier:

PDF, 506 KB

english, 2000

50

[IEEE IEEE Conference on Decision and Control - Las Vegas, NV, USA (10-13 Dec. 2002)] Proceedings of the 41st IEEE Conference on Decision and Control, 2002. - Backstepping control of a rigid body

Glad, S.T., Harkegard, O.

Année:

2002

Langue:

english

Fichier:

PDF, 122 KB

english, 2002