Issue 41

Ch. F. Markides et alii, Frattura ed Integrità Strutturale, 41 (2017) 396-411; DOI: 10.3221/IGF-ESIS.41.51 408 (b) (c) Figure 6 (continued) : Deformed versus undeformed (black dashed line) configuration of a circular disc under parabolic diametral com- pression, for an isotropic- (green line) and a “transtropic”- (red line) material, for ϕ o =45 o (b) and ϕ o =60 o (c) . Besides the above mentioned characteristic, related to the “convenient” and “easy-to-use” (or “easy-to-program”) nature of the expressions for the displacement components, the solution introduced cures some critical drawbacks of existing