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

• Autorzy: Aurora Angela Pisano , Paolo Fuschi
• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

Structural symmetry; Nonlocal integral elasticity; Nonlocal finite element method; Enlarged symmetric model; Nonlocal boundary conditions

• Wydawca: De Gruyter Open
• Czasopismo: Curved and Layered Structures
• Rocznik: 2017
• Tom: 4
• Numer: 1
• Strony: 1-7

Daty

wydano

2017-01-01

otrzymano

2016-07-25

zaakceptowano

2016-08-01

online

2017-01-13

Twórcy

autor

Aurora Angela Pisano

• Department PAU - via Melissari, I-89124 Reggio Calabria, University Mediterranea of Reggio Calabria,

autor

Paolo Fuschi

• Department PAU - via Melissari, I-89124 Reggio Calabria, University Mediterranea of Reggio Calabria,

Identyfikatory

DOI

10.1515/cls-2017-0001