Photo of Leif Otto Nielsen

Leif Otto Nielsen

  • Brovej, 118, 118

    2800 Kgs. Lyngby

    Denmark

19902013

Research output per year

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Research Output

  • 19 Article in proceedings
  • 5 Journal article
  • 4 Report
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Article in proceedings
2010

A mixed mode model for fracture in concrete

Nielsen, L. O., Mougaard, J. F., Jacobsen, J. S. & Poulsen, P. N., 2010, Fracture Mechanics of Concrete and Concrete Structures: Recent Advances in Fracture Mechanics of Concrete. Seoul: Korea Concrete Institute, Vol. 1. p. 231-237

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Limit Analysis of 3D Reinforced Concrete Frames

Larsen, K. P., Poulsen, P. N. & Nielsen, L. O., 2010, Computational Modelling of Concrete Structures.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Modelling Cohesive Crack Growth applying XFEM with Crack Geometry Parameters

Mougaard, J. F., Poulsen, P. N. & Nielsen, L. O., 2010, Computational Modelling of Concrete Structures.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Modelling concrete structures applying XFEM with a mixed mode constitutive model

Mougaard, J. F., Poulsen, P. N. & Nielsen, L. O., 2010, Fracture Mechanics of Concrete and Concrete Structures: Recent Advances in Fracture Mechanics of Concrete. Seoul: Korea Concrete Institute, Vol. 1. p. 614-619

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Structural behaviour of 5000 kN damper

Mualla, I. H., Jakupsson, E. & Nielsen, L. O., 2010, Proceedings of European Conference on Earthquake Engineering.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2009

A Consistent Partly and Fully Cracked XFEM Element for Modelling Fracture in Concrete Structures

Mougaard, J. F., Poulsen, P. N. & Nielsen, L. O., 2009, Computational Technologies in Concrete Structures.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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2008

Seismic isolation systems based on friction-fractional viscoelastic dampers

Nielsen, L. O., Mualla, I. H., Iwai, Y. & Nagase, T., 2008, 14th World Conference on Earthquake Engineering. Beijing: 14 WCEE

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2007

An Enhanced Cohesive Crack Element for XFEM using a Double Enriched Displacement Field

Mougaard, J. F., Poulsen, P. N. & Nielsen, L. O., 2007, New Trends in Fracture Mechanics of Concrete. Vol. 1. p. 139-146

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2006

Modeling of Crack Propagation in Concrete Applying the XFEM

Asferg, J. L., Poulsen, P. N. & Nielsen, L. O., 2006, Proceedings of EURO-C 2006 Computational Modelling of Concrete Strustures.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Partly Cracked XFEM Interface

Asferg, J. L., Belytschko, T., Poulsen, P. N. & Nielsen, L. O., 2006, Proceedings of the 16 European Conference on Fracture.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2005

Cohesive Crack Tip Element for XFEM

Asferg, J. L., Poulsen, P. N. & Nielsen, L. O., 2005, Proceedings of the 11th International Conference on Fracture, March 20-25, 2005, Turin Italy..

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Seismic isolation with a new friction damping system for asymmetric structures

Nielsen, L. O. & Mualla, I. H., 2005, Fourth European Workshop on the Seismic Behaviour of Irregular and Complex Structures. Thessaloniki: EAEE Task Group/Aristotle University of Thessaloniki, 15 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2004

A simplified XFEM formulation for cohesive crak modeling

Asferg, J. L., Poulsen, P. N. & Nielsen, L. O., 2004, NSCM-17: Proceedings of the 17th Nordic Seminar on Computational Mechanics. Stockholm, Sweden, p. 35-38

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Modeling of Cohesive Crack Applying XFEM

Asferg, J. L., Poulsen, P. N. & Nielsen, L. O., 2004, 5th International PhD Symposium in Civil Engineering. London, UK: CRC Press/Balkema, Vol. Vol. 2. p. 1261-1269

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Seismic isolation with a new friction damping system: Part 2, Testing and applications

Mualla, I. H., Nielsen, L. O. & Iwai, Y., 2004, JSSI 10th Anniversary Symposium. Yokohama: Japan Society of Seismic Isolation, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Seismic isolation with a new friction damping system: Part 1, Theory

Nielsen, L. O., Mualla, I. H. & Iwai, Y., 2004, JSSI 10th Anniversary Symposium. Yokohama: Japan Society of Seismic Isolation, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Seismic Isolation with a new Friction-Viscoelastic Damping System

Nielsen, L. O., Mualla, I. H. & Iwai, Y., 2004, 13th World Conference on Earthquake Engineering. Vancouver: 13 WCEE, Vol. Paper No. 249. 13 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2003

Seismic Isolation with a new Friction Damping System

Nielsen, L. O., Mualla, I. H. & Iwai, Y., 2003, JSSI 10th Anniversary Symposium on Performance of Response Controlled Buildings.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1996

Modelling of granular flow in a silo

Olsen, J. F. & Nielsen, L. O., 1996, Ninth nordic seminar on computational mechanics. Lyngby: Department of Structural Engineering and Materials, Technical University of Denmark, p. 189-191

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review