Free material optimization via mathematical programming
Zowe, Jochem
Kocvara, Michal
Bendsøe, Martin P.

Data: 1997
Resum: This paper deals with a central question of structural optimization which is formulated as the problem of finding the stiffest structure which can be made when both the distribution of material as well as the material itself can be freely varied. We consider a general multi-load formulation and include the possibility of unilateral contact. The emphasis of the presentation is on numerical procedures for this type of problem, and we show that the problems after discretization can be rewritten as mathematical programming problems of special form. We propose iterative optimization algorithms based on penalty-barrier methods and interior-point methods and show a broad range of numerical examples that demonstrates the efficiency of our approach. .
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Matèria: Structural optimization ; Optimal design ; Topology optimization ; Interior-point methods
Publicat a: Mathematical Programming, vol. 79 n. 1-3 (1997) p. 445-466, ISSN 0025-5610

22 p, 1.1 MB
 Accés restringit a la UAB

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