Multi-Fidelity Multidisciplinary Whole Engine Thermo-Mechanical Design Optimization

David J.J. Toal, Andy J. Keane, Diego Benito, Jeffery A. Dixon, Jingbin Yang, Matthew Price, Trevor Robinson, Alain Remouchamps, Norbert Kill

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)
853 Downloads (Pure)

Abstract

Traditionally, the optimization of a turbomachinery engine casing for tip clearance has involved either twodimensional transient thermomechanical simulations or three-dimensional mechanical simulations. This paper illustrates that three-dimensional transient whole-engine thermomechanical simulations can be used within tip clearance optimizations and that the efficiency of such optimizations can be improved when a multifidelity surrogate modeling approach is employed. These simulations are employed in conjunction with a rotor suboptimization using surrogate models of rotor-dynamics performance, stress, mass and transient displacements, and an engine parameterization.
Original languageEnglish
Pages (from-to)1654-1666
Number of pages13
JournalJournal of Propulsion and Power
Volume30
Issue number6
Early online date12 Sep 2014
DOIs
Publication statusPublished - Nov 2014

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