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2010
1270 Downloads (Pure)

Low Cost Wireless Sensor Network for Structural Health Monitoring

Chougule, P., Kirkegaard, P. H. & Nielsen, S. R. K., 2010. 4 p.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearch

Open Access
File
2012

Some Observations on the Subset Simulation Related to the Wind Turbine Mechanics

Sichani, M. T., Nielsen, S. R. K. & Thoft-Christensen, P., 2012, Reliability and Optimization of Structural Systems: Proceedings of the 16th working conference on the international federation of information processing (IFIP) working group 7.5 on reliability and optimization of structural systems. Der Kiureghian, A. & Hajian, A. (eds.). American University of Armenia Press, Yrevan, Armenia, p. 159-166 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Wind turbines
Mechanics
Reliability analysis
Random variables
Nonlinear systems
2016
2 Citations (Scopus)

Response and reliability analysis of nonlinear uncertain dynamical structures by the probability density evolution method

Nielsen, S. R. K., Peng, Y. & Sichani, M. T., 2016, In : International Journal of Dynamics and Control. 4, 2, p. 221-232 12.

Research output: Contribution to journalJournal articleResearchpeer-review

Reliability Analysis
Reliability analysis
Probability Density
Random variables
Random variable
2014
16 Citations (Scopus)

Overview and Design of self-acting pitch control mechanism for vertical axis wind turbine using multi body simulation approach

Chougule, P. & Nielsen, S. R. K., 2014, In : Journal of Physics: Conference Series (Online). 524, 1, 10 p., 012055.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
wind turbines
simulation
aerodynamic loads
blades
linkages
2011
22 Citations (Scopus)

Efficient Estimation of first Passage Probability of high-Dimensional Nonlinear Systems

Sichani, M. T., Nielsen, S. R. K. & Bucher, C., 2011, In : Probabilistic Engineering Mechanics. 26, 4, p. 539-549 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

nonlinear systems
Nonlinear systems
wind turbines
Wind turbines
nonlinearity
2013

Impact of spar-nacelle-blade coupling on the edgewise response of floating offshore wind turbines

Dinh, V-N., Basu, B. & Nielsen, S. R. K., 2013, In : Coupled Systems Mechanics. 2, 3, p. 231-253

Research output: Contribution to journalJournal articleResearchpeer-review

2011
666 Downloads (Pure)

Variance Reduction Monte Carlo Methods for Wind Turbines

Sichani, M. T., Nielsen, S. R. K. & Thoft-Christensen, P., 2011, Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP11). H. Faber, M., Kohler, J. & Nishijima, K. (eds.). CRC Press, 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
2013
2 Citations (Scopus)

Active Blade Pitch Control for Straight Bladed Darrieus Vertical Axis Wind Turbine of New Design

Chougule, P., Nielsen, S. R. K. & Basu, B., 2013, In : Key Engineering Materials. 569-570, p. 668-676 9 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Wind turbines
Airfoils
Turbomachine blades
Turbines
Rotors
2018
220 Downloads (Pure)

TENSOR CALCULUS with applications to Differential Theory of Surfaces and Dynamics

Nielsen, S. R. K., 2018, Aalborg: Department of Civil Engineering, Aalborg University. 63 p. (DCE Technical reports; No. 242).

Research output: Book/ReportReportResearch

Open Access
File
Calculus
Tensor
Shell Theory
Continuum Mechanics
Text
2015

Hydrodynamic Excitation Forces on Floating Structures with Finite Displacements

Andersen, M. T. & Nielsen, S. R. K., 2015, Proceedings of the Twenty-fifth (2015) International Ocean and Polar Engineering Conference. International Society of Offshore & Polar Engineers, p. 1572-1576 5 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Hydrodynamics
Wavelength
2010

Fatigue Life of Wind Turbine Blades

Thoft-Christensen, P., Pedersen, R. & Nielsen, S. R. K., 2010, Reliability and Optimization of Structural Systems: proceedings of reliability and optimization of structural systems, Tum, München, Germany, 7-10 april 2010. Straub, D. (ed.). London: CRC Press, p. 229-235 7 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Wind turbines
Towers
Turbomachine blades
Fatigue of materials
2012
12 Citations (Scopus)

Failure Probability Estimation of Wind Turbines by Enhanced Monte Carlo

Sichani, M. T., Nielsen, S. R. K. & Naess, A., 2012, In : Journal of Engineering Mechanics. 138, 4, p. 379-389 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Wind turbines
Controllers
Monte Carlo methods
Costs
Numerical models
2014
36 Citations (Scopus)

Dynamics and Control of Lateral Tower Vibrations in Offshore Wind Turbines by Means of Active Generator Torque

Zhang, Z., Nielsen, S. R. K., Blaabjerg, F. & Zhou, D., 2014, In : Energies. 7, 11, p. 7746-7772

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
2012
63 Citations (Scopus)

Dynamic Analysis of Wind Turbines Including Soil-Structure Interaction

Harte, M., Basu, B. & Nielsen, S. R. K., 2012, In : Engineering Structures. 45, December 2012, p. 509-518 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Soil structure interactions
Wind turbines
Dynamic analysis
Soils
Turbines
2013
5 Citations (Scopus)

First Passage Probability Estimation of Wind Turbines by Markov Chain Monte Carlo

Sichani, M. T. & Nielsen, S. R. K., 2013, In : Structure & Infrastructure Engineering. 9, 10, p. 1067-1079 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

wind turbine
Markov chain
Wind turbines
Markov processes
Set theory
2018

Active generator control of tower and spar vibrations of spar-type floating offshore wind turbines

Zhang, Z., Høeg, C. E., Basu, B. & Nielsen, S. R. K., 2018, Proceedings of the 7th World Conference on Structural Control and Monitoring: 7WCSCM. p. 1405-1412

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

2016
122 Downloads (Pure)

Real-time hybrid simulation technique for performance evaluation of full-scale sloshing dampers in wind turbines

Zhang, Z., Basu, B. & Nielsen, S. R. K., 2016, In : Journal of Physics: Conference Series. 753, 8, 10 p., 082021.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
liquid sloshing
wind turbines
dampers
evaluation
simulation
2019
5 Citations (Scopus)

Real-time hybrid aeroelastic simulation of wind turbines with various types of full-scale tuned liquid dampers

Zhang, Z., Basu, B. & Nielsen, S. R. K., 2019, In : Wind Energy. 22, 2, p. 239-256

Research output: Contribution to journalJournal articleResearchpeer-review

Wind turbines
Liquids
Damping
Water levels
Wind power
2016
25 Citations (Scopus)

Damping of edgewise vibration in wind turbine blades by means of circular liquid dampers

Basu, B., Zhang, Z. & Nielsen, S. R. K., 2016, In : Wind Energy. 19, 2, p. 213–226 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Wind turbines
Turbomachine blades
Vibrations (mechanical)
Damping
Liquids
2018
6 Citations (Scopus)

Enhancement of flutter stability in wind turbines with a new type of passive damper of torsional rotation of blades

Chen, B., Zhang, Z., Hua, X., Nielsen, S. R. K. & Basu, B., 2018, In : Journal of Wind Engineering & Industrial Aerodynamics. 173, p. 171-179

Research output: Contribution to journalJournal articleResearchpeer-review

Wind turbines
Turbomachine blades
Damping
2012

Design Of Rotor Blade For Vertical Axis Wind Turbine Using Double Aerofoil

Chougule, P., Ratkovich, N. R., Kirkegaard, P. H. & Nielsen, S. R. K., 22 Nov 2012. 8 p.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearchpeer-review

Airfoils
Wind turbines
Turbomachine blades
Rotors
Computational fluid dynamics
2014
1 Downloads (Pure)

The influence of turbulence on the aero-elastic instability of wind turbines

Zhang, Z. & Nielsen, S. R. K., 2014, EURODYN 2014 - IX International Conference on Structural Dynamics: Proceedings. Cunha, A., Caetano, E., Ribeiro, P. & Müller, G. (eds.). Porto: European Association for Structural Dynamics (EASD), p. 3691-3697 8 p. (The International Conference on Structural Dynamics; No. 9).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Wind turbines
Turbulence
Turbomachine blades
Aeroelasticity
Turbine components
2012

Reduction of the Random Variables of the Turbulent Wind Field

Sichani, M. T. & Nielsen, S. R. K., 2012, Reliability and Optimization of Structural Systems: Proceedings of the 16th working conference on the international federation of information processing (IFIP) working group 7.5 on reliability and optimization of structural systems. Der Kiureghian, A. & Hajian, A. (eds.). American University of Armenia Press, Yrevan, Armenia, p. 151-158 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Probability Density
Random variable
Monte Carlo method
Integral domain
Subset
2011
3 Citations (Scopus)

Stochastic and Chaotic Sub- and Superharmonic Response of Shallow Cables due to Chord Elongations

Nielsen, S. R. K. & Sichani, M. T., 2011, In : Probabilistic Engineering Mechanics. 26, 1, p. 44-53 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

superharmonics
cables
elongation
Elongation
Cables
2014
8 Citations (Scopus)

Constrained Optimal Stochastic Control of Non-Linear Wave Energy Point Absorbers

Sichani, M. T., Chen, J-B., Kramer, M. & Nielsen, S. R. K., 2014, In : Applied Ocean Research. 47, August, p. 255–269 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Force control
Buoyancy
Electric generators
Feedback
Controllers
2013

Estimation of Extreme Response and Failure Probability of Wind Turbines under Normal Operation using Probability Density Evolution Method

Sichani, M. T., Nielsen, S. R. K., Liu, W. F., Chen, J. -B., Li, J. & Peng, Y. B., 2013, Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures: Proceedings of the 11th international conference on structural safety and reliability. Deodatis, G., Ellingwood, B. R. & Frangopol, D. M. (eds.). CRC Press, p. 943 1 p.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

2014
29 Citations (Scopus)

Mitigation of edgewise vibrations in wind turbine blades by means of roller dampers

Zhang, Z., Li, J., Nielsen, S. R. K. & Basu, B., 2014, In : Journal of Sound and Vibration. 333, 21, p. 5283–5298

Research output: Contribution to journalJournal articleResearchpeer-review

5 Citations (Scopus)

Simulation of flow over double-element airfoil and wind tunnel test for use in vertical axis wind turbine

Chougule, P. & Nielsen, S. R. K., 2014, In : Journal of Physics: Conference Series (Online). 524, 1, 10 p., 012009.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
wind tunnel tests
wind turbines
airfoils
tunnels
simulation
2013
41 Citations (Scopus)

Optimal Control Of Nonlinear Wave Energy Point Converters

Nielsen, S. R. K., Zhou, Q., Kramer, M., Basu, B. & Zhang, Z., 2013, In : Ocean Engineering. 72, November, p. 176-187 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Controllers
Feedback
1 Citation (Scopus)

Failure Analysis of Wind Turbines by Probability Density Evolution Method

Sichani, M. T., Nielsen, S. R. K., Liu, W. F., Chen, J. B., Li, J. & Peng, Y. B., 2013, Damage Assessment of Strucures X: 10th International Conference on Damage Assessment of Structures (DAMAS 2013), July 8-10, 2013, Dublin, Ireland. Basu, B. (ed.). Zurich-Durnten, Switzerland: Trans Tech Publications Ltd., Vol. 1. p. 579-586 8 p. (Key Engineering Materials, Vol. 569-570).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Wind turbines
Failure analysis
Probability density function
Reliability analysis
Probability distributions
2018
4 Citations (Scopus)

A coupled finite difference mooring dynamics model for floating offshore wind turbine analysis

Chen, L., Basu, B. & Nielsen, S. R. K., 2018, In : Ocean Engineering. 162, p. 304-315

Research output: Contribution to journalJournal articleResearchpeer-review

Offshore wind turbines
Mooring
Dynamic models
Cables
2012
75 Citations (Scopus)

Actuator Control of Edgewise Vibrations in Wind Turbine Blades

Staino, A., Basu, B. & Nielsen, S. R. K., 2012, In : Journal of Sound and Vibration. 331, 6, p. 1233-1256 24 p.

Research output: Contribution to journalJournal articleResearchpeer-review

turbine blades
wind turbines
blades
Wind turbines
Turbomachine blades
2013
64 Citations (Scopus)

Active Tuned Mass Dampers for Control of In-Plane Vibrations of Wind Turbine Blades

Fitzgerald, B., Basu, B. & Nielsen, S. R. K., 2013, In : Structural Control and Health Monitoring. 20, 12, p. 1377–1396 20 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Wind turbines
Turbomachine blades
Towers
Structural dynamics
Vibration control
2019
1 Citation (Scopus)

Nonlinear periodic response analysis of mooring cables using harmonic balance method

Chen, L., Basu, B. & Nielsen, S. R. K., 6 Jan 2019, In : Journal of Sound and Vibration. 438, p. 402-418 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Mooring cables
mooring
cables
harmonics
Cables
2011
24 Citations (Scopus)

Applications of Asymptotic Sampling on High Dimensional Structural Dynamic Problems

Sichani, M. T., Nielsen, S. R. K. & Bucher, C., Jul 2011, In : Structural Safety. 33, 4-5, p. 305–316 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Structural dynamics
Sampling
Random variables
Linear systems
Nonlinear systems
2013
1 Citation (Scopus)

Non-Linear Aeroelastic Stability of Wind Turbines

Zhang, Z., Sichani, M. T., Li, J., Chen, J. & Nielsen, S. R. K., 2013, Damage Assesment of Strucure X: 10th International Conference on Damage Assessment of Structures (DAMAS 2013), July 8-10, 2013, Dublin, Ireland. Basu, B. (ed.). Schweiz: Trans Tech Publications Ltd., Vol. 1. p. 531-538 8 p. (Key Engineering Materials, Vol. 569).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Wind turbines
Elasticity
Turbulence
Differential equations
Rotors
2015
13 Citations (Scopus)

Nonlinear modeling of tuned liquid dampers (TLDs) in rotating wind turbine blades for damping edgewise vibrations

Zhang, Z., Nielsen, S. R. K., Basu, B. & Li, J., 2015, In : Journal of Fluids and Structures. 59, November, p. 252-269 18 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Liquid sloshing
Wind turbines
Turbomachine blades
Vibrations (mechanical)
Damping
2 Citations (Scopus)

Experimental study of the effect of a slat angle on double-element airfoil and application in vertical axis wind turbine

Chougule, P., Rosendahl, L. & Nielsen, S. R. K., 2015, In : Ships and Offshore Structures. 10, 2, p. 176-182

Research output: Contribution to journalJournal articleResearchpeer-review

Airfoils
Wind turbines
Aerodynamics
Reynolds number
2019

Active vibration control of flutter instability of wind turbine blades

Chen, B., Zhang, Z., Hua, X. & Nielsen, S. R. K., 2019, (In preparation) In : Structural Control and Health Monitoring (Online). p. 1-30

Research output: Contribution to journalJournal articleResearchpeer-review

2017
1 Citation (Scopus)

Monitoring of wind turbine blades for flutter instability

Chen, B., Hua, X. G., Zhang, Z. L., Basu, B. & Nielsen, S. R. K., Sep 2017, In : STRUCTURAL MONITORING AND MAINTENANCE. 4, 2, p. 115-131 16 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Analytical Solution Strategy for Building Energy Dynamics With Stochastic Thermal Gains and External Temperature

Zhang, Z., Basu, B. & Nielsen, S. R. K., 2017, In : Journal of Risk and Uncertainty in Engineering Systems - Part B : Mechanical Engineering. 3, 4, p. 41005-1 RISK-16-1104.

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)
198 Downloads (Pure)

Coupled-Mode Flutter of Wind Turbines and its Suppression Using Torsional Viscous Damper

Zhang, Z., Chen, B. & Nielsen, S. R. K., 2017, In : Procedia Engineering. 199, p. 3254–3259

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
Wind turbines
Flaps
Turbomachine blades
Towers
Aerodynamics
2013

Dynamic Response of Offshore Wind Turbines subjected to Joint Wave and Wind Loads

Liu, W., Chen, J., Liu, W., Sichani, M. T., Li, J. & Nielsen, S. R. K., 2013, Proceedings of the 5th International Symposium onInternational Symposium on Innovation & Sustainability of Structures in Civil Engineering. Li, H., Li, J., Wu, Z. & Guo, A. (eds.). Harbin, China: Harbin Institute of Technology Press, Vol. 2. p. 872-878 7 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Offshore wind turbines
Dynamic response
Aerodynamic loads
Torque control
Reliability analysis
2014
5 Citations (Scopus)

Optimal Control of an Array of Non-Linear Wave Energy Point Converters

Nielsen, S. R. K., Zhou, Q., Basu, B., Sichani, M. T. & Kramer, M., 2014, In : Ocean Engineering. 88, p. 242–254

Research output: Contribution to journalJournal articleResearchpeer-review

4 Citations (Scopus)

Edgewise vibration control of wind turbine blades using roller and liquid dampers

Zhang, Z. & Nielsen, S. R. K., 2014, In : Journal of Physics: Conference Series (Online). 524, 1, 10 p., 012037.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
turbine blades
rollers
wind turbines
dampers
vibration
2015
3 Citations (Scopus)

Stability analysis of the Gyroscopic Power Take-Off wave energy point absorber

Nielsen, S. R. K., Zhang, Z., Kramer, M. M. & Olsen, J., 2015, In : Journal of Sound and Vibration. 355, 27 October, p. 418-433 16 p.

Research output: Contribution to journalJournal articleResearchpeer-review

takeoff
Takeoff
absorbers
floats
rings
2014
1 Citation (Scopus)

Discussion: Closure to “Applications of asymptotic sampling on high dimensional structural dynamic Problems” by M.T. Sichani, S.R.K. Nielsen and C. Bucher

Sichani, M. T., Nielsen, S. R. K. & Bucher, C., 2014, In : Structural Safety. 46, January 2014, p. 11-12 2 p.

Research output: Contribution to journalComment/debateResearchpeer-review

2012
13 Citations (Scopus)

Stochastic Analysis of the Influence of Tower Shadow on Fatigue Life of Wind Turbine Blade

Pedersen, R., Nielsen, S. R. K. & Thoft-Christensen, P., 2012, In : Structural Safety. 35, p. 63-71 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Wind turbines
Towers
Turbomachine blades
Fatigue of materials
Turbines
2016
20 Citations (Scopus)

Performance evaluation of full-scale tuned liquid dampers (TLDs) for vibration control of large wind turbines using real-time hybrid testing

Zhang, Z., Staino, A., Basu, B. & Nielsen, S. R. K., 2016, In : Engineering Structures. 126, 1 November, p. 417-431 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Vibration control
Wind turbines
Liquids
Testing
Towers
2011
7 Citations (Scopus)

A Multi-Modal Control Using a Hybrid Pole-Placement-Integral Resonant Controller (PPIR) with Experimental Investigations

Basu, B. & Nielsen, S. R. K., 2011, In : Structural Control and Health Monitoring. 18, 2, p. 191–206 18 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Poles
Controllers
Flexible structures
Vibration control
Actuators