Kim Lau Nielsen

Kim Lau Nielsen

Associate Professor

DTU MECHANICAL ENGINEERING
Department of Mechanical Engineering

Section of Solid Mechanics

Technical University of Denmark

Nils Koppels Allé

Building 404, room 118

2800 Kgs. Lyngby

Ph.
Mobile
Fax +45 45 25 19 61
E-mail kin@mek.dtu.dk
ORCID 0000-0002-0502-8008
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2020
 

Barriers for virtual assessment of structural robustness

Nerenst, Tim Brix ; Ebro, Martin ; Nielsen, Morten ; Eifler, Tobias ; Nielsen, Kim Lau
part of: Conference Proceedings - International Mechanical Engineering Congress & Exposition, 2020, American Society of Mechanical Engineers
Presented at:
ASME 2019 International Mechanical Engineering Congress and Exposition

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1115/imece2019-11251

2019
 

A finite strain FE-Implementation of the Fleck-Willis gradient theory: Rate-independent versus visco-plastic formulation

Nielsen, K. L. ; Niordson, C. F.
in: European Journal of Mechanics A - Solids, vol: 75, pages: 389-398

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.euromechsol.2019.02.010

 

An investigation of back stress formulations under cyclic loading

El-Naaman, S. A. ; Nielsen, K. L. ; Niordson, C. F.
in: Mechanics of Materials, vol: 130, pages: 76-87

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.mechmat.2019.01.005

 

A steady-state modeling framework incorporating the Kuroda–Tvergaard model: demonstrated on single crystal crack growth

Juul, K. J. ; El-Naaman, S. A. ; Nielsen, K. L. ; Niordson, C. F.
in: Archive of Applied Mechanics, vol: 89, issue: 10, pages: 2133–2145

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1007/s00419-019-01567-4

 

Effect of damage-related microstructural parameters on plate tearing at steady state

Tekog̃lu, C. ; Nielsen, K. L.
in: European Journal of Mechanics, A/Solids, vol: 77

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.euromechsol.2019.103818

  PDF

Experimental Investigation of Crack Propagation Mechanisms in Commercially Pure Aluminium Plates

Tekoǧlu, C. ; Çelik, Ş ; Duran, H. ; Efe, M. ; Nielsen, K. L.
in: Procedia Structural Integrity, vol: 21, pages: 2-11
Presented at:
1st International Workshop on Plasticity, Damage and Fracture of Engineering Materials

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.prostr.2019.12.080

 

Finite strain analysis of size effects in wedge indentation into a Face-Centered Cubic (FCC) single crystal

Lynggaard, J. ; Nielsen, K. L. ; Niordson, C. F.
in: European Journal of Mechanics A - Solids, vol: 76, pages: 193-207

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.euromechsol.2019.02.008

 

Grain-size affected mechanical response and deformation behavior in microscale reverse extrusion

Zhang, Bin ; Dodaran, Mohammad ; Ahmed, Shahrior ; Shao, Shuai ; Meng, W. J. ; Juul, K. J. ; Nielsen, K. L.
in: Materialia, vol: 6

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.mtla.2019.100272

 

Investigation of a gradient enriched Gurson-Tvergaard model for porous strain hardening materials

Holte, I. ; Niordson, C. F. ; Nielsen, K. L. ; Tvergaard, V.
in: European Journal of Mechanics A - Solids, vol: 75, pages: 472-484

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.euromechsol.2019.03.001

 

Micro-mechanics based cohesive zone modeling of full scale ductile plate tearing: From initiation to steady-state

Andersen, R.G. ; Felter, C. L. ; Nielsen, K. L.
in: International Journal of Solids and Structures, vol: 160, pages: 265–275

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.ijsolstr.2018.10.027

 

Parameter window for assisted crack tip flipping: Studied by a shear extended Gurson model

Nielsen, K. L. ; Felter, C. L.
in: International Journal of Solids and Structures, vol: 171, pages: 135-145

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.ijsolstr.2019.04.021

 

Void-by-void versus multiple void interaction under mode I-mode II or mode I-mode III loading conditions

Andersen, R. G. ; Nielsen, K. L. ; Legarth, B. N.
in: Engineering Fracture Mechanics, vol: 214, pages: 248-259

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.engfracmech.2019.02.031

2018
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A novel numerical framework for self-similarity in plasticity: Wedge indentation in single crystals

Juul, K. J. ; Niordson, C. F. ; Nielsen, K. L. ; Kysar, J. W.
in: Journal of the Mechanics and Physics of Solids, vol: 112, pages: 667-684

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.jmps.2017.09.011

  PDF

Cohesive traction-separation relations for plate tearing under mixed mode loading

Andersen, R. G. ; Woelke, P. B. ; Nielsen, K. L.
in: European Journal of Mechanics A - Solids, vol: 71, pages: 199-209

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.euromechsol.2018.03.016

  PDF

Hardening and strengthening behavior in rate-independent strain gradient crystal plasticity

Nellemann, C. ; Niordson, C. F. ; Nielsen, K.L.
in: European Journal of Mechanics A - Solids, vol: 67, pages: 157-168

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.euromechsol.2017.09.006

 

Void coalescence mechanism for combined tension and large amplitude cyclic shearing

Nielsen, K. L. ; Andersen, R. G. ; Tvergaard, V.
in: Engineering Fracture Mechanics, vol: 189, pages: 164–174

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.engfracmech.2017.10.035

2017
  PDF

An incremental flow theory for crystal plasticity incorporating strain gradient effects

Nellemann, Christopher ; Niordson, Christian Frithiof ; Nielsen, Kim Lau
in: International Journal of Solids and Structures, vol: 110-111, pages: 239–250

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.ijsolstr.2017.01.025

  PDF

A Numerical Framework for Self-Similar Problems in Plasticity: Indentation in Single Crystals

Juul, Kristian Jørgensen ; Niordson, Christian Frithiof ; Nielsen, Kim Lau ; Kysar, J. W.
Presented at:
XIV International Conference on Computational Plasticity. Fundamentals and Applications

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Assisted crack tip flipping under Mode I thin sheet tearing

Felter, Christian Lotz ; Nielsen, Kim Lau
in: European Journal of Mechanics A - Solids, vol: 64, pages: 58–68

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.euromechsol.2017.01.009

  PDF

Crack Tip Flipping: A New Phenomenon yet to be Resolved in Ductile Plate Tearing

Nielsen, Kim Lau
part of: Proceedings of the 30th Nordic Seminar on Computational Mechanics (NSCM-30), pages: 30-33, 2017
Presented at:
30th Nordic Seminar on Computational Mechanics (NSCM-30)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Crack Tip Flipping under Mode I Tearing: Investigated by X-Ray Tomography

Nielsen, Kim Lau ; Gundlach, Carsten
in: International Journal of Solids and Structures, vol: 118-119, pages: 119-127

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.ijsolstr.2017.04.014

  PDF

Fracture Surface Morphology Under Ductile Tearing of Metal Plates

Kacar, Muhammet F. ; Tekoglu, Cihan ; Nielsen, Kim Lau
part of: Proceedings of the 30th Nordic Seminar on Computational Mechanics (NSCM-30), pages: 193-106, 2017
Presented at:
30th Nordic Seminar on Computational Mechanics (NSCM-30)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Numerical Calibration of Cohesive Zone Energy for Plate Tearing Homogenization-Based Topology Optimization for High-Resolution Continuum, Frame and Truss Structures

Felter, C. L. ; RASMUSSEN, R.G. ; Nielsen, Kim Lau
part of: Proceedings of the 30th Nordic Seminar on Computational Mechanics (NSCM-30), pages: 61, 2017
Presented at:
30th Nordic Seminar on Computational Mechanics (NSCM-30)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Steady-state crack growth in single crystals under Mode I loading

Juul, Kristian Jørgensen ; Nielsen, Kim Lau ; Niordson, Christian Frithiof
in: Journal of the Mechanics and Physics of Solids, vol: 101, pages: 209-222

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.jmps.2017.01.012

  PDF

Steady-state, elastic-plastic growth of slanted cracks in symmetrically loaded plates

Nielsen, Kim Lau ; Hutchinson, J. W.
in: International Journal of Impact Engineering, vol: 108, pages: 286-294

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.ijimpeng.2017.03.015

  PDF

Steady-state numerical modeling of size effects in micron scale wire drawing

Juul, Kristian Jørgensen ; Nielsen, Kim Lau ; Niordson, Christian Frithiof
in: Journal of Manufacturing Processes, vol: 25, pages: 163-171

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.jmapro.2016.12.005

2016
  PDF

Attaining the rate-independent limit of a rate-dependent strain gradient plasticity theory

El-Naaman, Salim Abdallah ; Nielsen, Kim Lau ; Niordson, Christian Frithiof
in: Extreme Mechanics Letters, vol: 9, issue: Part 1, pages: 40-44

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.eml.2016.04.012

  PDF

Crack Tip Flipping Under Mode I/III Tearing

Felter, Christian Lotz ; Specht Jensen, Lasse ; Nielsen, Kim Lau
Presented at:
24th International Congress of Theoretical and Applied Mechanics

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

  PDF

On modeling micro-structural evolution using a higher order strain gradient continuum theory

El-Naaman, S. A. ; Nielsen, K. L. ; Niordson, C. F.
in: International Journal of Plasticity, vol: 76, pages: 285-298

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.ijplas.2015.08.008

  PDF

Plate Tearing Under Mixed Mode Loading

Andersen, Rasmus Grau ; Nielsen, Kim Lau ; Felter, Christian Lotz
part of: Proceedings of the 29th Nordic Seminar on Computational Mechanics (NSCM-29), 2016
Presented at:
29th Nordic Seminar on Computational Mechanics

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

  PDF

Rolling at small scales

Nielsen, Kim L. ; Niordson, Christian F. ; Hutchinson, John W.
in: Journal of Manufacturing Science and Engineering, vol: 138, issue: 4

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1115/1.4031068

  PDF

Steady-State Crack Growth in Rate-Sensitive Single Crystals

Juul, Kristian Jørgensen ; Nielsen, Kim Lau ; Niordson, Christian Frithiof
part of: Proceedings of the 29th Nordic Seminar on Computational Mechanics (NSCM-29), 2016
Presented at:
29th Nordic Seminar on Computational Mechanics

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

 

Steady-State Numerical Modeling of Size Effects in Wire Drawing

Juul, Kristian Jørgensen ; Nielsen, Kim Lau ; Niordson, Christian Frithiof
part of: Proceedings of 24th International Congress of Theoretical and Applied Mechanics, 2016
Presented at:
24th International Congress of Theoretical and Applied Mechanics

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

2015
  PDF

Rolling induced size effects in elastic–viscoplastic sheet metals

Nielsen, Kim Lau
in: European Journal of Mechanics A - Solids, vol: 53, pages: 259-267

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.euromechsol.2015.05.006

  PDF

Strain gradient crystal plasticity: A continuum mechanics approach to modeling micro-structural evolution

El-Naaman, Salim Abdallah ; Nielsen, Kim Lau ; Niordson, Christian Frithiof
part of: Plastic Behavior of Conventional and Advanced Materials: Theory, Experiment, and Modeling, 2015, NEAT Press
Presented at:
21st International Symposium on Plasticity and its Current Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015

2014
 

A numerical basis for strain-gradient plasticity theory: Rate-independent and rate-dependent formulations

Nielsen, Kim Lau ; Niordson, Christian Frithiof
in: Journal of the Mechanics and Physics of Solids, vol: 63, pages: 113–127

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.jmps.2013.09.018

 

Strain gradient effects in periodic flat punch indenting at small scales

Nielsen, Kim Lau ; Niordson, Christian Frithiof ; Hutchinson, J. W.
in: International Journal of Solids and Structures, vol: 51, issue: 21-22, pages: 3549-3556

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.ijsolstr.2014.06.009

2013
 

A 2D finite element implementation of the Fleck–Willis strain-gradient flow theory

Nielsen, Kim Lau ; Niordson, Christian Frithiof
in: European Journal of Mechanics A - Solids, vol: 41, pages: 134-142

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.euromechsol.2013.03.002

 

Observations on Mode I ductile tearing in sheet metals

El-Naaman, Salim Abdallah ; Nielsen, Kim Lau
in: European Journal of Mechanics A - Solids, vol: 42, pages: 54-62

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.euromechsol.2013.04.007

2012
 

Cohesive traction–separation laws for tearing of ductile metal plates

Nielsen, Kim Lau ; Hutchinson, John W.
in: International Journal of Impact Engineering, vol: 48, pages: 15-23

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.ijimpeng.2011.02.009

  PDF

Cohesive Traction-Separation Laws for Tearing of Ductile Metal Plates

Nielsen, Kim Lau ; Hutchinson, J.W.
part of: Proceedings for 8th EUROMECH Solid Mechanics Conference (ESMC2012), 2012
Presented at:
8th EUROMECH Solid Mechanics Conference (ESMC2012)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

Collapse and coalescence of spherical voids subject to intense shearing: studied in full 3D

Nielsen, Kim Lau ; Dahl, Jonas ; Tvergaard, Viggo
in: International Journal of Fracture, vol: 177, issue: 2, pages: 97-108

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012

 

Effect of Contact Conditions on Void Coalescence at Low Stress Triaxiality Shearing

Dahl, Jonas ; Nielsen, Kim Lau ; Tvergaard, Viggo
in: Journal of Applied Mechanics, vol: 79, issue: 2, pages: 021003

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1115/1.4005565

 

Rate sensitivity of mixed mode interface toughness of dissimilar metallic materials: Studied at steady state

Nielsen, Kim Lau ; Niordson, Christian Frithiof
in: International Journal of Solids and Structures, vol: 49, issue: 3-4, pages: 576-583

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.ijsolstr.2011.11.001

  PDF

Steady State Crack Propagation in Layered Material Systems Displaying Visco-plastic Behaviour

Nielsen, Kim Lau
part of: Proceedings for 23rd International Congress of Theoretical and Applied Mechanics (ICTAM 2012), 2012
Presented at:
23rd International Congress of Theoretical and Applied Mechanics

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

Strain gradient effects on steady state crack growth in rate-sensitive materials

Nielsen, Kim Lau ; Niordson, Christian Frithiof ; Hutchinson, John W.
in: Engineering Fracture Mechanics, vol: 96, pages: 61-71

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.engfracmech.2012.06.022

 

The effect of post-welding conditions in friction stir welds: From weld simulation to Ductile Failure

Hattel, Jesper Henri ; Nielsen, Kim Lau ; Tutum, Cem Celal
in: European Journal of Mechanics A - Solids, vol: 33, pages: 67-74

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.euromechsol.2011.10.004

2011
 

Failure by void coalescence in metallic materials containing primary and secondary voids subject to intense shearing

Nielsen, Kim Lau ; Tvergaard, Viggo
in: International Journal of Solids and Structures, vol: 48, issue: 9, pages: 1255-1267

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.ijsolstr.2011.01.008

2010
  PDF

Modelling of damage development and ductile failure in welded joints

Nielsen, Kim Lau

Type: Ph.D. thesis

Status: Published     |    Year: 2010

 

Ductile shear failure or plug failure of spot welds modelled by modified Gurson model

Nielsen, Kim Lau ; Tvergaard, Viggo
in: Engineering Fracture Mechanics, vol: 77, pages: 1031-1047

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.engfracmech.2010.02.031

 

Micro-mechanical modelling of ductile failure in 6005A aluminium using a physics based strain hardening larw including stage IV

Simar, Aude ; Nielsen, Kim Lau ; de Meester, Bruno ; Tvergaard, Viggo ; Pardoen, Thomas
in: Engineering Fracture Mechanics, vol: 77, issue: 13, pages: 2491-2503

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.engfracmech.2010.06.008

 

Modelling of plastic flow localization and damage development in friction stir welded 6005A aluminium alloy using physics based strain hardening law

Nielsen, Kim Lau ; Pardoen, Thomas ; Tvergaard, Viggo ; de Meester, Bruno ; Simar, Aude
in: International Journal of Solids and Structures, vol: 47, issue: 18-19, pages: 2359-2370

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.ijsolstr.2010.03.019

 

Predicting failure response of spot welded joints using recent extensions to the Gurson model

Nielsen, Kim Lau
in: Computational Materials Science, vol: 48, issue: 1, pages: 71-82

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.commatsci.2009.12.004

 

Relations between a micro-mechanical model and a damage model for ductile failure in shear

Tvergaard, Viggo ; Nielsen, Kim Lau
in: Journal of the Mechanics and Physics of Solids, vol: 58, pages: 1243-1252

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.jmps.2010.06.006

 

Strain hardening and damage in 6xxx series aluminum alloy friction stir welds

Simar, Aude ; Nielsen, Kim Lau ; de Meester, Bruno ; Pardoen, Thomas ; Tvergaard, Viggo
in: Materials Science Forum, vol: 638-642, pages: 333-338

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.4028/www.scientific.net/MSF.638-642.333

2009
 

Effect of a shear modified Gurson model on damage development in a FSW tensile specimen

Nielsen, Kim Lau ; Tvergaard, Viggo
in: International Journal of Solids and Structures, vol: 46, issue: 3-4, pages: 587-601

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1016/j.ijsolstr.2008.09.011

2008
 

3D modelling of plug failure in resistance spot welded shear-lab specimens (DP600-steel)

Nielsen, Kim Lau
in: International Journal of Fracture, vol: 153, issue: 2, pages: 125-139

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1007/s10704-008-9305-4

 

Ductile damage development in friction stir welded aluminum (AA2024) joints

Nielsen, Kim Lau
in: Engineering Fracture Mechanics, vol: 75, issue: 10, pages: 2795-2811

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1016/j.engfracmech.2008.01.012

 

Numerical studies of shear damped composite beams using a constrained damping layer

Kristensen, R.F. ; Nielsen, Kim Lau ; Mikkelsen, Lars Pilgaard
in: Composite Structures, vol: 83, issue: 3, pages: 304-311

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1016/j.compstruct.2007.04.025