Level-set topology optimization with aeroelastic constraints

Peter D. Dunning, Bret K. Stanford, H. Alicia Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

Level-set topology optimization is used to design a wing considering skin buckling under static aeroelastic trim loading, as well as dynamic aeroelastic stability (flutter). The level-set function is defined over the entire 3D volume of a transport aircraft wing box. Therefore, the approach is not limited by any predefined structure and can explore novel configurations. The Sequential Linear Programming (SLP) level-set method is used to solve the constrained optimization problems. The proposed method is demonstrated using three problems with mass, linear buckling and flutter objective and/or constraints. A constraint aggregation method is used to handle multiple buckling constraints in the wing skins. A continuous flutter constraint formulation is used to handle difficulties arising from discontinuities in the design space caused by a switching of the critical flutter mode.

Original languageEnglish
Title of host publication56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624103421
DOIs
Publication statusPublished - 2015
Event56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 2015 - Kissimmee, United States
Duration: 5 Jan 20159 Jan 2015

Conference

Conference56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 2015
CountryUnited States
CityKissimmee
Period5/01/159/01/15

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Mechanics of Materials
  • Building and Construction

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    Dunning, P. D., Stanford, B. K., & Alicia Kim, H. (2015). Level-set topology optimization with aeroelastic constraints. In 56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference American Institute of Aeronautics and Astronautics Inc.. https://doi.org/10.2514/6.2015-1128