Abstract
An extensively automated optimization procedure is presented for a horizontal axis wind turbine (HAWT) blade based on ultimate limit state analysis. Two composite materials named glass fiber reinforced plastic (GFRP) and carbon fiber reinforced plastic (CFRP) are applied with a multi-objective of blade cost and total mass. Laminate layer thickness, material type and orientation angle are tailored for the structural performance and subjected to three design constraints which are derived from analysis of ultimate strength, fatigue failure and critical deflection, respectively. Combining FEM analysis and an evolutionary algorithm, the proposed optimization process has dramatically reduced design cost and improved blade performance.
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This paper was recommended for publication in revised form by Associate Editor Jeonghoon Yoo
Weifei Hu received his B.S. degree in Mechanical Engineering from Zhejiang University, China, in 2008. He then went on to receive his M.S. from Hanyang University, Korea, in 2010. He is currently a Ph.D candidate and research assistant at the University of Iowa. Mr. Hu’s research interests are in the area of aerodynamic and structural optimization of wind turbine blade, and reliability-based design optimization.
Insik Han received B.S. and M.S. degrees in Mechanical Engineering from Hanyang University, Korea, in 2006 and 2009, respectively. He is currently working for Production Engineering Research Institute at LG Electronics Inc., Korea. Mr. Han’s research interests are in the area of product designs using practical optimization techniques such as DOE, Meta-Modeling, RA, RBDO, etc.
Sang-Chul Park received B.S degress in Mechanical Engineering from Suwon University, Korea, in 2008. He is currently working as technical enginner of ableMAX Inc., which is a CAE software distributor and CAE engineering company. He is charging with strucutural and dynamic analysis of wind turbine and automotive field.
Dong-Hoon Choi received a B.S. degree in Mechanical Engineering from Seoul National University in 1975. He then went on to receive his M.S. from KAIST, Korea, in 1977 and Ph.D degree from University of Wisconsin-Madison in 1986, respectively. Dr. Choi is currently a Professor at the School of Mechanical Engineering at Hanyang University in Seoul, Korea. He is currently the director of iDOT (the center of innovative design optimization technology). Prof. Choi’s research interests are in the area of optimization techniques: developing MDO methodology, developing optimization techniques to ensure a reliability of optimum solution, and developing approximation optimization technique, etc.
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Hu, W., Han, I., Park, SC. et al. Multi-objective structural optimization of a HAWT composite blade based on ultimate limit state analysis. J Mech Sci Technol 26, 129–135 (2012). https://doi.org/10.1007/s12206-011-1018-3
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DOI: https://doi.org/10.1007/s12206-011-1018-3