On the homogenised characteristics of a cylindrical bar with double periodicity under torsion load
by M'B. Taghite, R. Kouitat, B.K. Hachi, B. Bonzic, G. Maurice
International Journal of Theoretical and Applied Multiscale Mechanics (IJTAMM), Vol. 1, No. 4, 2010

Abstract: The main purpose of this paper is to present a parametric study of homogenised coefficients and equivalent torsion rigidity of a cylindrical bar with double periodicity. Assuming an infinitely long cylinder, it is sufficient to analyse the cross section Σ, which exhibits a periodical distribution of porous zones Σ_P. At a finer scale, the latter also presents a periodicity. The theoretical results of the homogenisation procedure are stated more explicitly than in Taghite et al. The parametric analysis is preceded by a brief presentation of the adopted numerical procedure.

Online publication date: Wed, 26-Jan-2011

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