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Naslov:The multilevel MINLP optimization approach to structural synthesis: the simultaneous topology, material, standard and rounded dimension optimization
Avtorji:Kravanja, Stojan (Avtor)
Šilih, Simon (Avtor)
Kravanja, Zdravko (Avtor)
Datoteke:URL http://dx.doi.org/10.1016/j.advengsoft.2005.03.004
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano ()
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGPA - Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo
Opis:The paper describes the simultaneous topology, material, standard and rounded dimension optimization of mechanical structures, performed by the Mixed-Integer Non-linear Programming (MINLP) approach. Beside the generation of an MINLP mechanical superstructure, the development of a general multilevel MINLP formulation for a mechanical superstructure is presented. The consideration of the discrete materials as well as standard and particularly rounded dimensions in structural synthesis significantly increases the combinatorics of the discrete optimization, which as a result may become too difficult to solve. A Linked Multilevel Hierarchical Strategy (LMHS) has been introduced for the solving of such large combinatorial problems. In order to decrease the effect of non-convexities, the Modified Outer-Approximation/Equality-Relaxation (OA/ER) algorithm has been applied. Four numerical examples of different complexities are presented to illustrate the proposed multilevel MINLP optimization approach: the optimization of two steel trusses, a composite I beam and a hydraulic steel roller gate Intake gate, erected in Aswan II, Egypt.
Ključne besede:structural optimization, structural synthesis, MINLP, topology opitmization, material optimization, discrete variable optimization, multilevel MINLP strategy, truss, composite beam, roller gate
Leto izida:2005
UDK:624.074.5:519.6
COBISS_ID:9532182 Povezava se odpre v novem oknu
ISSN pri članku:0965-9978
NUK URN:URN:SI:UM:DK:WZXOTDRP
Število ogledov:1552
Število prenosov:54
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
Področja:Ostalo
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Gradivo je del revije

Naslov:Advances in engineering software
Skrajšan naslov:Adv. eng. softw.
Založnik:Elsevier Applied Science
ISSN:0965-9978
COBISS.SI-ID:34540032 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:optimiranje konstrukcij, sinteza konstrukcij, MINLP, optimizacija topologije, optimizacija materialov, diskretno optimiranje, večstopenjska MINLP strategija, paličja, sovprežni nosilec, tablasta zapornica


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