Review of options for structural design sensitivity analysis. Part 1: Linear systems

F Van Keulen, RT Haftka, NH Kim - Computer methods in applied …, 2005 - Elsevier
The paper reviews options for structural design sensitivity analysis, including global finite
differences, continuum derivatives, discrete derivatives, and computational or automated …

The complex-step derivative approximation

JRRA Martins, P Sturdza, JJ Alonso - ACM Transactions on …, 2003 - dl.acm.org
The complex-step derivative approximation and its application to numerical algorithms are
presented. Improvements to the basic method are suggested that further increase its …

The development of hyper-dual numbers for exact second-derivative calculations

J Fike, J Alonso - 49th AIAA aerospace sciences meeting including the …, 2011 - arc.aiaa.org
49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace
Exposition : The Development of Hyper-Dual N Page 1 The Development of Hyper-Dual …

Future of airplane aeroelasticity

E Livne - Journal of Aircraft, 2003 - arc.aiaa.org
Aeroelasticity is still dynamic, challenging, and a key part of cutting-edge airplane
technology. Emerging trends, as well as challenges and needs in the eld of airplane …

The connection between the complex-step derivative approximation and algorithmic differentiation

J Martins, P Sturdza, J Alonso - 39th Aerospace Sciences Meeting and …, 2001 - arc.aiaa.org
This paper presents improvements to the complexstep derivative approximation method
which increase its accuracy and robustness. These improvements unveil the connection to …

Using an adjoint approach to eliminate mesh sensitivities in computational design

EJ Nielsen, MA Park - AIAA journal, 2006 - arc.aiaa.org
IN recent years a concerted effort has been made to bring higher fidelity, physics-based
computational fluid dynamics (CFD) simulations into the aircraft design process. Such tools …

[图书][B] A coupled-adjoint method for high-fidelity aero-structural optimization

JRRA Martins - 2003 - search.proquest.com
A new integrated aero-structural design method for aerospace vehicles is presented. The
approach combines an aero-structural analysis solver, a coupled aero-structural adjoint …

DNAD, a simple tool for automatic differentiation of Fortran codes using dual numbers

W Yu, M Blair - Computer Physics Communications, 2013 - Elsevier
DNAD (dual number automatic differentiation) is a simple, general-purpose tool to
automatically differentiate Fortran codes written in modern Fortran (F90/95/2003) or legacy …

[HTML][HTML] Extensions of the first and second complex-step derivative approximations

KL Lai, JL Crassidis - Journal of Computational and Applied Mathematics, 2008 - Elsevier
A general framework for the first and second complex-step derivative approximation to
compute numerical derivatives is presented. For first derivatives the complex-step approach …

Adjoint wall functions: A new concept for use in aerodynamic shape optimization

AS Zymaris, DI Papadimitriou, KC Giannakoglou… - Journal of …, 2010 - Elsevier
The continuous adjoint method for the computation of sensitivity derivatives in aerodynamic
optimization problems of steady incompressible flows, modeled through the k–ε turbulence …