Integrated Design of an Active Flow Control System Using a Time-Dependent Adjoint Method

E.J. Nielsen; W.T. Jones

Mathematical Modelling of Natural Phenomena (2011)

  • Volume: 6, Issue: 3, page 141-165
  • ISSN: 0973-5348

Abstract

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An exploratory study is performed to investigate the use of a time-dependent discrete adjoint methodology for design optimization of a high-lift wing configuration augmented with an active flow control system. The location and blowing parameters associated with a series of jet actuation orifices are used as design variables. In addition, a geometric parameterization scheme is developed to provide a compact set of design variables describing the wing shape. The scaling of the implementation is studied using several thousand processors and it is found that asynchronous file operations can greatly improve the overall performance of the approach in such massively parallel environments. Three design examples are presented which seek to maximize the mean value of the lift coefficient for the coupled system, and results demonstrate improvements as high as 27% relative to the lift obtained with non-optimized actuation. This lift gain is more than three times the incremental lift provided by the non-optimized actuation.

How to cite

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Nielsen, E.J., and Jones, W.T.. "Integrated Design of an Active Flow Control System Using a Time-Dependent Adjoint Method." Mathematical Modelling of Natural Phenomena 6.3 (2011): 141-165. <http://eudml.org/doc/222318>.

@article{Nielsen2011,
abstract = {An exploratory study is performed to investigate the use of a time-dependent discrete adjoint methodology for design optimization of a high-lift wing configuration augmented with an active flow control system. The location and blowing parameters associated with a series of jet actuation orifices are used as design variables. In addition, a geometric parameterization scheme is developed to provide a compact set of design variables describing the wing shape. The scaling of the implementation is studied using several thousand processors and it is found that asynchronous file operations can greatly improve the overall performance of the approach in such massively parallel environments. Three design examples are presented which seek to maximize the mean value of the lift coefficient for the coupled system, and results demonstrate improvements as high as 27% relative to the lift obtained with non-optimized actuation. This lift gain is more than three times the incremental lift provided by the non-optimized actuation. },
author = {Nielsen, E.J., Jones, W.T.},
journal = {Mathematical Modelling of Natural Phenomena},
keywords = {design; flow control; unsteady; adjoint; unstructured; Navier-Stokes; Navier-stokes},
language = {eng},
month = {5},
number = {3},
pages = {141-165},
publisher = {EDP Sciences},
title = {Integrated Design of an Active Flow Control System Using a Time-Dependent Adjoint Method},
url = {http://eudml.org/doc/222318},
volume = {6},
year = {2011},
}

TY - JOUR
AU - Nielsen, E.J.
AU - Jones, W.T.
TI - Integrated Design of an Active Flow Control System Using a Time-Dependent Adjoint Method
JO - Mathematical Modelling of Natural Phenomena
DA - 2011/5//
PB - EDP Sciences
VL - 6
IS - 3
SP - 141
EP - 165
AB - An exploratory study is performed to investigate the use of a time-dependent discrete adjoint methodology for design optimization of a high-lift wing configuration augmented with an active flow control system. The location and blowing parameters associated with a series of jet actuation orifices are used as design variables. In addition, a geometric parameterization scheme is developed to provide a compact set of design variables describing the wing shape. The scaling of the implementation is studied using several thousand processors and it is found that asynchronous file operations can greatly improve the overall performance of the approach in such massively parallel environments. Three design examples are presented which seek to maximize the mean value of the lift coefficient for the coupled system, and results demonstrate improvements as high as 27% relative to the lift obtained with non-optimized actuation. This lift gain is more than three times the incremental lift provided by the non-optimized actuation.
LA - eng
KW - design; flow control; unsteady; adjoint; unstructured; Navier-Stokes; Navier-stokes
UR - http://eudml.org/doc/222318
ER -

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