MULTICRITERIA OPTIMAL DESIGN OF CONTINUOUS CIRCULAR PLATES

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Abstract

The paper is devoted to a quite general version of the multicriteria optimal (minimum volume) design of axisymmetric circular plates. The constitutive material is considered as elastic perfectly plastic without any ductility limit and the actions are assumed as quasi-statically variable within a given load domain. In the design problem formulation different resistance criteria are considered, in order to investigate all the possible structural limit responses, and for each one a suitably chosen safety factor is chosen. The optimal design problem is formulated as the search for the minimum structure volume according with a statical approach. The features of the optimal structures will be studied through the relevant Euler-Lagrange equations. A numerical application is presented utilizing an appropriate discretization of the minimum volume problem.
Lingua originaleEnglish
pagine (da-a)101-122
Numero di pagine22
RivistaMECCANICA DEI MATERIALI E DELLE STRUTTURE
Volume1
Stato di pubblicazionePublished - 2010

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