Affiliation:
1. Department of Mechanics, Laboratory of Testing and Materials, School of Applied Mathematical and Physical Sciences, The National Technical University of Athens (NTUA), Athens, Greece
Abstract
In wind turbines, blades are critical design members because performance depends on blade material, shape, twist angle, etc. The problem of internal, mechanical design and material selection for a prototypical high-power horizontal axis wind turbine blade under static, flap-wise loading is investigated in this study. At first a materials selection methodology has been proposed. A very detailed computational analysis based on finite element modes is developed representing the load-carrying box girder of the blade with a given airfoil shape, size, and the type and position of the interior load-bearing longitudinal beams–shear webs. Results concerning displacements and stresses are generated using both plane and shell elements with linear and nonlinear analyses.
Subject
Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites
Cited by
12 articles.
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