In this paper, we propose a technique for high-fidelity fluid–structure interaction (FSI) spatial interface reconstruction of a horizontal axis wind turbine (HAWT) rotor model composed of an elastic blade mounted on a rigid hub. The technique is aimed at enabling re-usage of existing blade finite element method (FEM) models, now with high-fidelity fluid subdomain methods relying on boundary-fitted mesh. The technique is based on the partition of unity (PU) method and it enables fluid subdomain FSI interface mesh of different components to be smoothly connected. In this paper, we use it to connect a beam FEM model to a rigid body, but the proposed technique is by no means restricted to any specific choice of numerical models for the structure components or methods of their surface recoveries. To stress-test robustness of the connection technique, we recover elastic blade surface from collinear mesh and remark on repercussions of such a choice. For the HAWT blade recovery method itself, we use generalized Hermite radial basis function interpolation (GHRBFI) which utilizes the interpolation of small rotations in addition to displacement data. Finally, for the composed structure we discuss consistent and conservative approaches to FSI spatial interface formulations.
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July 2015
Research-Article
Composed Fluid–Structure Interaction Interface for Horizontal Axis Wind Turbine Rotor
Dubravko Matijašević,
Dubravko Matijašević
1
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
e-mail: dubravko.matijasevic@fsb.hr
Faculty of Mechanical Engineering
and Naval Architecture,
University of Zagreb
,Ivana Lučića 5
,Zagreb 10000
, Croatia
e-mail: dubravko.matijasevic@fsb.hr
1Corresponding author.
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Zdravko Terze,
Zdravko Terze
Professor
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
e-mail: zdravko.terze@fsb.hr
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
University of Zagreb
,Ivana Lučića 5
,Zagreb 10000
, Croatia
e-mail: zdravko.terze@fsb.hr
Search for other works by this author on:
Milan Vrdoljak
Milan Vrdoljak
Associate Professor
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
e-mail: milan.vrdoljak@fsb.hr
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
University of Zagreb
,Ivana Lučića 5
,Zagreb 10000
, Croatia
e-mail: milan.vrdoljak@fsb.hr
Search for other works by this author on:
Dubravko Matijašević
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
e-mail: dubravko.matijasevic@fsb.hr
Faculty of Mechanical Engineering
and Naval Architecture,
University of Zagreb
,Ivana Lučića 5
,Zagreb 10000
, Croatia
e-mail: dubravko.matijasevic@fsb.hr
Zdravko Terze
Professor
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
e-mail: zdravko.terze@fsb.hr
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
University of Zagreb
,Ivana Lučića 5
,Zagreb 10000
, Croatia
e-mail: zdravko.terze@fsb.hr
Milan Vrdoljak
Associate Professor
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
e-mail: milan.vrdoljak@fsb.hr
Department of Aeronautical Engineering,
Faculty of Mechanical Engineering
and Naval Architecture,
University of Zagreb
,Ivana Lučića 5
,Zagreb 10000
, Croatia
e-mail: milan.vrdoljak@fsb.hr
1Corresponding author.
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received February 14, 2014; final manuscript received February 4, 2015; published online April 2, 2015. Assoc. Editor: Carlo L. Bottasso.
J. Comput. Nonlinear Dynam. Jul 2015, 10(4): 041009 (10 pages)
Published Online: July 1, 2015
Article history
Received:
February 14, 2014
Revision Received:
February 4, 2015
Online:
April 2, 2015
Citation
Matijašević, D., Terze, Z., and Vrdoljak, M. (July 1, 2015). "Composed Fluid–Structure Interaction Interface for Horizontal Axis Wind Turbine Rotor." ASME. J. Comput. Nonlinear Dynam. July 2015; 10(4): 041009. https://doi.org/10.1115/1.4029749
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