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Title of Journal: Struct Multidisc Optim

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Abbravation: Structural and Multidisciplinary Optimization

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Springer Berlin Heidelberg

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DOI

10.1002/path.2391

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ISSN

1615-1488

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Integrated layout and topology optimization design

Authors: JiHong Zhu WenJie Guo WeiHong Zhang Tao Liu
Publish Date: 2016/12/29
Volume: 56, Issue: 1, Pages: 21-45
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Abstract

The purpose of this paper is to present an extended integrated layout and topology optimization method dealing with the multiframe and multicomponent fuselage structure systems design Considering an aircraft or aerospace fuselage system including main structure numbers of frames and featured components located on the frames a simultaneous optimization procedure is proposed here including geometrical design variables of components and frames as well as topological design variables of main structure and frame structures The multipoint constraints MPC scheme is used to simulate the rivets or bolts connecting the components frames and structures The finite circle method FCM is implemented to avoid the overlaps among different components and frames Furthermore to deal with the difficulties of large numbers of nonoverlapping constraints a penalty method is used here to compose the global strain energy and nonoverlapping constraints into a single objective function To guarantee the fuselage system’s balance the constraint on the system centroid is also introduced into the optimization Different numerical examples are tested and the optimized solutions have demonstrated the validity and effectiveness of the proposed formulation

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  3. On symmetry and non-uniqueness in exact topology optimization
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  5. Topology optimization of composite structures with data-driven resin filling time manufacturing constraint
  6. A survey on handling computationally expensive multiobjective optimization problems using surrogates: non-nature inspired methods
  7. Minimum weight design of solid annular plates under an assigned limit ring load
  8. A sensitivity-based commonality strategy for family products of mild variation, with application to automotive body structures
  9. A new reliability analysis method based on the conjugate gradient direction
  10. Aircraft wing box optimization considering uncertainty in surrogate models
  11. Multidisciplinary dynamic optimization of horizontal axis wind turbine design
  12. Geometrical aspects of optimum truss like structures for three-force problem
  13. Advances in optimization of highrise building structures
  14. Topology optimization of fail-safe structures using a simplified local damage model
  15. Topology optimization of frame structures with flexible joints
  16. A concurrent subspace collaborative optimization architecture to structural synthetical optimization design
  17. Topology optimization of internal partitions in a flow-reversing chamber muffler for noise reduction
  18. Material interpolation schemes for unified topology and multi-material optimization
  19. Variational proof of optimality criteria for Michell structures with pre-existing members
  20. Drop test simulation and surrogate-based optimization of a dishwasher mechanical structure and its packaging module
  21. Resolving issues with member buckling in truss topology optimization using a mixed variable approach
  22. Adaptive infill sampling criterion for multi-fidelity optimization based on Gappy-POD
  23. A comparative study of uncertainty propagation methods for black-box-type problems
  24. Multiobjective optimization for crash safety design of vehicles using stepwise regression model
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  51. Metamodeling by symbolic regression and Pareto simulated annealing
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