Article (Scientific journals)
Simultaneous design of structural layout and discrete fiber orientation using bi-value coding parameterization and volume constraint
TONG, Gao; ZHANG, Weihong; Duysinx, Pierre
2013In Structural and Multidisciplinary Optimization, 48 (6), p. 1075-1088
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Keywords :
Laminated Composite; Discerete Fiber orentation; Structural Optimization; Bi-value Conding Parameterization
Abstract :
[en] The so-called bi-value coding parameterization (BCP) method is developed for the simultaneous optimization of layout design and discrete fiber orientations of laminated structures related to the compliance minimization and natural frequency maximization. Both kinds of problems are transformed into a discrete material selection problem that is then solved as a continuous topology optimization problem with multiphase materials. A new form of the volume constraint is introduced in accordance with the BCP to control the material usage and material removal in the corresponding problem formulation. The BCP scheme assigning the integer value of +1 or -1 to each design variable for the unique “coding” is efficiently used to interpolate discrete fiber orientations and to identify the presence and removal of materials. Meanwhile, a general set-up strategy is proposed by assigning “uniform” weight values in BCP to ensure the feasibility of the initial starting point. Numerical tests illustrate that the BCP is efficient in dealing with both kinds of design problems including the volume constraint.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
TONG, Gao;  North Western Polytechnic University
ZHANG, Weihong;  North Western Polytechnic University
Duysinx, Pierre  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Language :
English
Title :
Simultaneous design of structural layout and discrete fiber orientation using bi-value coding parameterization and volume constraint
Alternative titles :
[fr] Conception simultanée de la disposition et de l'orientation discrète des fibres utilisant la paramétrisation en codage binaire et une contrainte de volume
Publication date :
December 2013
Journal title :
Structural and Multidisciplinary Optimization
ISSN :
1615-147X
eISSN :
1615-1488
Publisher :
Springer, New York, United States - New York
Volume :
48
Issue :
6
Pages :
1075-1088
Peer reviewed :
Peer Reviewed verified by ORBi
Additional URL :
Name of the research project :
Project VIRTUALCOMP (Contract RW-6293)
Funders :
Région Wallonne et Pole de Compétitivité SKYWIN
Available on ORBi :
since 27 December 2013

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