Time dependent adjoint-based optimization for coupled fluid–structure problems

A Mishra, K Mani, D Mavriplis, J Sitaraman - Journal of Computational …, 2015 - Elsevier
A formulation for sensitivity analysis of fully coupled time-dependent aeroelastic problems is
given in this paper. Both forward sensitivity and adjoint sensitivity formulations are derived …

Time-dependent aeroelastic adjoint-based aerodynamic shape optimization of helicopter rotors in forward flight

A Mishra, D Mavriplis, J Sitaraman - AIAA Journal, 2016 - arc.aiaa.org
A formulation for sensitivity analysis of fully coupled time-dependent aeroelastic rotors in
forward flight with trim constraints is given in this paper. The formulation includes the effect of …

Consideration of structural constraints in passive rotor blade design for improved performance

JW Lim - The Aeronautical Journal, 2015 - cambridge.org
This design study applied parameterisation to rotor blade for improved performance. In the
design, parametric equations were used to represent blade planform changes over the …

Consideration of structural constraints in passive rotor blade design for improved performance

JW Lim - The Aeronautical Journal, 2016 - cambridge.org
This design study applied parameterisation to rotor blade for improved performance. In the
design, parametric equations were used to represent blade planform changes over the …

Coupled Adjoint-based Sensitivity Analysis using a FSI Method in Time Spectral Form

H Kim - 2019 - vtechworks.lib.vt.edu
A time spectral and coupled adjoint based sensitivity analysis of rotor blade is carried out in
this study. The time spectral method is an efficient technique to solve unsteady periodic …

Time Spectral Adjoint Based Design for Flutter and Limit Cycle Oscillation Suppression

R Prasad - 2020 - vtechworks.lib.vt.edu
When designing aircraft wings shapes, it is important to ensure that the flight envelope does
not overlap with regions of flutter or Limit Cycle Oscillation (LCO). A quick assessment of …

[PDF][PDF] To the University of Wyoming: The members of the Committee approve the dissertation of Enrico Fabiano presented on April 7, 2017.

J Naughton, J Sitaraman - 2017 - scientific-sims.com
Helicopter rotor optimization is a challenging task due to the multidisciplinary nature of
rotorcraft design, the complex and intrinsically unsteady operating environment of the rotor …