JOURNAL BROWSE
Search
Advanced SearchSearch Tips
Study on the Natural Frequency of Wind Turbine Tower Based on Soil Pile interaction to Evaluate Resonant Avoidance Frequency
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
Study on the Natural Frequency of Wind Turbine Tower Based on Soil Pile interaction to Evaluate Resonant Avoidance Frequency
Kim, Pyoung-Hwa; Kang, Sung-Yong; Lee, Yun-Woo; Kang, Young-jong;
  PDF(new window)
 Abstract
Global warming and the depletion of fossil fuels have been caused by decades of reckless development. Wind energy is one form of renewable energy and is considered a future energy source. The wind tower is designed with a fundamental frequency in the soft-stiff design between the 1P and 3P range to avoid resonance. Usually, to perform natural frequency analysis of a wind tower, the boundary condition is set to the Fixed-End, and soil-pile interaction is not considered. In this study, consideration of the effect of soil-pile interaction on the wind tower was included and the difference in the natural frequency was studied. The fixed boundary condition was not affected by the soil condition and depth of the pile and the coupled spring boundary condition was unaffected by the depth of pile but affected by the depth of the pile, and the Winkler spring boundary condition is affected by both the soil condition and the depth of the pile. Therefore, the coupled spring boundary condition should be used in shallow depth soil conditions because the soil condition does not take the shallow depth soil into consideration.
 Keywords
Finite Element Analysis;Natural Frequency;Resonance;Soil-Pile Interaction;Wind Turbine Tower;
 Language
Korean
 Cited by
 References
1.
GL Guideline, "Guideline for the Certification of Wind Turbines", 2010.

2.
P. Brian, P. Marty, C. Benjamin, G. David, D. Dwight, S. Charles, G. Benjamin, "Evaluate the Effect of Turbine Period of Vibration Requirments on Structural Design Parameters: Technical Report of Findings", Applied Physical Sciences/M10PC00066-8, 2010.

3.
K. S. Lee, J. T. Lee, C. Y. Son, "A Study of Natural Frequency on Offshore Wind Turbine Structural Change", Proceeding of the Korean Society for Noise and Vibration Engineering Conference, pp. 1008-1016, 2007.

4.
C. Chantharasenawong, P. Jongpradist, S. Laoharatchapruek, "Preliminary design of 1.5-MW Modular Wind Turbine Tower", The 2nd TSME International Conference on Mechanical Engineering, 2011.

5.
H. S. Jang, H. S. Kim, Y. M. Kwak, J. H. Park, "Analysis of Lateral Behavior of Offshore Wind Turbine Monopile Foundation in Sandy Soil", Journal of Korean Society of Steel Construction, Vol.25, No.4, pp.421-430, 2013. DOI: http://dx.doi.org/10.7781/kjoss.2013.25.4.421 crossref(new window)

6.
M. Novak, "Dynamic Stiffness and Damping of Piles", Faculty of Engineering Science, University of Western Ontario, 1974.

7.
H. Matlock, "Correlation for Design of Laterally Loaded Piles in soft Clays", Proceeding of the 2nd Annual OTC Dallas, Texas, 1970. DOI: http://dx.doi.org/10.4043/1204-ms crossref(new window)

8.
API, "Recommended Practice for Planning, Designing, and Constructing Fixed Offshore Platforms-Working Stress Design", Vol. 21 edition, API RP2A-WSD, American Petroleum Institute, WashingtonD.C., 2002.

9.
C. H. Choi, J. T. Han, S. D. Cho, Y. E. Jang, "The Effect of Flexibility for the Offshore Wind Turbine System", Journal of Korean Geo-Environmental Society, Vol. 14, No. 4, pp. 59-66, 2013.

10.
J. Jonkman, S. Butterfield, W. Musial, G. Scott, "Definition of a 5-MW Reference Wind Turbine for Offshore System Development", Technical Report NREL/TP-500-38060, 2009.

11.
J. B. Won, N. E. Kim, H. J. Eum, B. S. Kim, "A Study on Vibration Characteristics of 1.5 MW Wind Turbine under Earthquake", Journal of Korea Wind Energy Association, 2008.

12.
S. M. Juing, S. R. Kim, J. H. Lee, C. H. Le, "Effect of Foundation Flexibility of Offshore Wind Turbine on Force and Movement at Monopile Head", Journal of Korean Geosynthetics Society, Vol. 13, No. 4, pp. 21-3, 2014. DOI: http://dx.doi.org/10.12814/jkgss.2014.13.4.021 crossref(new window)

13.
N. Stromblad, "Modeling of Soil and Structure Interaction Subsea", Chalmers University of Computational Mechanics, Master's thesis in Applied Mechanics, 2014.

14.
R. Rubak, J. T. Petersen, "Monopile as Part of Aeroelastic Wind Turbine Simulation Code", Copenhagem Offshore Wind 2005 Conference and Expedition Proceedings, 2005.

15.
DNV, "Wellhead Fatigue Analysis Method", Report no/DNV Reg No.: 2011-0063/ 12Q5071-26, 2011.