2018
DOI: 10.1016/j.ast.2018.01.016
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On the influence of optimization algorithm and initial design on wing aerodynamic shape optimization

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Cited by 117 publications
(41 citation statements)
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“…EllipSys3D has been validated against experimental data for the MEXICO RWT (Bechmann et al, 2011) and the NREL Phase VI RWT (Sørensen et al, 2002;Sørensen and Schreck, 2014), and also in a blind comparison (Simms et al, 2001). In addition, the unsteady interaction between tower and blade has been simulated for the NREL Phase VI RWT with EllipSys3D using overset grid capabilities, and an overall good agreement was found with experimental data (Zahle et al, 2009). EllipSys3D has been used in various rotor applications to perform computations, such as aerodynamic power (Johansen et al, 2009) and fluid-structure interaction (Heinz et al, 2016).…”
Section: Ellipsys3dmentioning
confidence: 95%
“…EllipSys3D has been validated against experimental data for the MEXICO RWT (Bechmann et al, 2011) and the NREL Phase VI RWT (Sørensen et al, 2002;Sørensen and Schreck, 2014), and also in a blind comparison (Simms et al, 2001). In addition, the unsteady interaction between tower and blade has been simulated for the NREL Phase VI RWT with EllipSys3D using overset grid capabilities, and an overall good agreement was found with experimental data (Zahle et al, 2009). EllipSys3D has been used in various rotor applications to perform computations, such as aerodynamic power (Johansen et al, 2009) and fluid-structure interaction (Heinz et al, 2016).…”
Section: Ellipsys3dmentioning
confidence: 95%
“…The goal is to find the global optimal geometry of the airfoil as computed by the high-fidelity code ADflow. † ADflow has a Reynolds Averaged Navier-Stokes (RANS) multi-block flow solver developed in the MDO Lab (University of Michigan) that has been successfully applied to a variety of aerodynamic shape optimization problems [21][22][23][24].…”
Section: A Test Case Descriptionmentioning
confidence: 99%
“…Earlier CRM studies 32 suggested the possibility of multimodality in this problem, though more recent work 16,17,20 has concluded that the design space is unimodal. While we conclude that the problem permits multiple local optima, the design space appears heavily dominated by a single particular optimum.…”
Section: Crm Adodg Casementioning
confidence: 99%
“…This study is performed using the NASA common research model (CRM) wing-only geometry as the baseline. The viscous optimization of this geometry has been studied by numerous authors, including -but certainly not limited to -Koo and Zingg, 16 Yu et al, 17 Lee et al, 18 Shi-Dong et al, 19 and Lyu et al 20 Several of these studies 16,17,20 directly address the question of multimodality, generally in the context of the transonic, viscous optimization of twist and taper, the consensus being that multimodality under these conditions is minimal to nonexistent. On the other end of the spectrum, the existence of multimodality in the aerodynamic shape optimization of a wing in general is demonstrated in several previous works.…”
Section: Introductionmentioning
confidence: 99%