Structural symmetry within nonlocal integral elasticity: theoretical issues and computational strategies

Abstract: The structural symmetry and the appropriate definition of a reduced (symmetric) mechanical/numerical model is discussed within a nonlocal elasticity context. In particular, reference is made to an integral model of Eringen-type. The paper highlights how the classical, i.e. local, concepts of structural symmetry have to be rephrased through the definition of an enlarged symmetric model of the analyzed structure. This enlarged model, endowed with apposite nonlocal boundary conditions enforced in an iterative fashion, is proved to be able to recover the nonlocal effects that the neglected portion of the structure exerts on the portion chosen for the analysis. It is shown how the mirrored symmetric solution exactly matches the complete one. Theoretical issues and computational strategies referred to a nonlocal version of the finite element method are discussed with reference to the analysis of a case-study.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Structural symmetry within nonlocal integral elasticity: theoretical issues and computational strategies ; volume:4 ; number:1 ; year:2017 ; pages:1-7 ; extent:7
Curved and layered structures ; 4, Heft 1 (2017), 1-7 (gesamt 7)

Urheber
Pisano, Aurora Angela
Fuschi, Paolo

DOI
10.1515/cls-2017-0001
URN
urn:nbn:de:101:1-2410251626235.766049903147
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:36 MESZ

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Beteiligte

  • Pisano, Aurora Angela
  • Fuschi, Paolo

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