Imperial College London
Portrait Picture

Rafael Palacios

Faculty of Engineering, Department of Aeronautics

Professor in Computational Aeroelasticity
 
 
 
//

Contact

 

+44 (0)20 7594 5075r.palacios CV

 
 
//

Location

 

338City and Guilds BuildingSouth Kensington Campus

//

Summary

 

Publications

Citation

BibTex format

@article{Sanchez:2018:10.1002/nme.5700,
author = {Sanchez, R and Albring, T and Palacios, R and Gauger, NR and Economon, TD and Alonso, JJ},
doi = {10.1002/nme.5700},
journal = {International Journal for Numerical Methods in Engineering},
pages = {1081--1107},
title = {Coupled adjointbased sensitivities in largedisplacement fluidstructure interaction using algorithmic differentiation},
url = {http://dx.doi.org/10.1002/nme.5700},
volume = {113},
year = {2018}
}
Download

RIS format (EndNote, RefMan)

TY  - JOUR
AB  - A methodology for the calculation of gradients with respect to design parameters in general Fluid-Structure Interaction problems is presented. It is based on fixed-point iterations on the adjoint variables of the coupled system using Algorithmic Differentiation. This removes the need for the construction of the analytic Jacobian for the coupled physical problem, which is the usual limitation for the computation of adjoints in most realistic applications. The formulation is shown to be amenable to partitioned solution methods for the adjoint equations. It also poses no restrictions to the nonlinear physics in either the fluid or structural field, other than the existence of a converged solution to the primal problem from which to compute the adjoints. We demonstrate the applicability of this procedure and the accuracy of the computed gradients on coupled problems involving viscous flows with geometrical and material non-linearities in the structural domain.
AU  - Sanchez,R
AU  - Albring,T
AU  - Palacios,R
AU  - Gauger,NR
AU  - Economon,TD
AU  - Alonso,JJ
DO  - 10.1002/nme.5700
EP  - 1107
PY  - 2018///
SN  - 0029-5981
SP  - 1081
TI  - Coupled adjointbased sensitivities in largedisplacement fluidstructure interaction using algorithmic differentiation
T2  - International Journal for Numerical Methods in Engineering
UR  - http://dx.doi.org/10.1002/nme.5700
UR  - https://onlinelibrary.wiley.com/doi/abs/10.1002/nme.5700
UR  - http://hdl.handle.net/10044/1/51023
VL  - 113
ER  -
Download