Adjoint differentiation of a structural dynamics solver
Tadjouddine, M., Forth, S.A. and Keane, A.J. (2006) Adjoint differentiation of a structural dynamics solver. In, Bücker, M., Corliss, G., Hovland, P., Naumann, U. and Norris, B. (eds.) Automatic Differentiation: Applications, Theory, and Implementations. AD2004: The 4th International Conference on Automatic Differentiation , Springer, 309-319. (Lecture Notes in Computational Science & Engineering, 50).
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Description/Abstract
The design of a satellite boom using passive vibration control by Keane [J. of Sound and Vibration, 1995, 185(3),441-453] has previously been carried out using an energy function of the design geometry aimed at minimising mechanical noise and vibrations. To minimise this cost function, a Genetic Algorithm (GA) was used, enabling modification of the initial geometry for a better design. To improve efficiency, it is proposed to couple the GA with a local search method involving the gradient of the cost function. In this paper, we detail the generation of an adjoint solver by automatic differentiation via ADIFOR. This has resulted in a gradient code that runs in 7.4 times the time of the function evaluation. This should reduce the rather time-consuming process (over 10 CPU days by using parallel processing) of the GA optimiser for this problem.
| Item Type: | Book Section |
|---|---|
| ISBNs: | 3540284036 (hardback) |
| Related URLs: | |
| Subjects: | T Technology |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences |
| Item ID: | 23888 |
| Date Deposited: | 17 Mar 2006 |
| Last Modified: | 28 Jun 2012 10:02 |
| Contributors: | Tadjouddine, M. (Author) Forth, S.A. (Author) Keane, A.J. (Author) Bücker, M. (Editor) Corliss, G. (Editor) Hovland, P. (Editor) Naumann, U. (Editor) Norris, B. (Editor) |
| Date: | 2006 |
| Status: | Published |
| Publisher: | Springer |
| URI: | http://eprints.soton.ac.uk/id/eprint/23888 |
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