Issue 47

E. Mele et alii, Frattura ed Integrità Strutturale, 47 (2019) 186-208; DOI: 10.3221/IGF-ESIS.47.15 195 * 2,H 3 s 2 2 d h d d d E h+dCosθ E h d d d 2dSin θ b + Cos θ+ (1 ) Sin θ A 2A 24I A                  (14) Considering the shear tests (Fig. 10 and 11), the global shear distortion of the unit cell,  w or  u, is caused by shortening/lengthening of elements subjected to axial forces, by shear deformation of elements under shear forces, and by flexural deflection of elements subjected to bending moments. Figure 9 : Hexagrid - axial test along x 2 ; a) deformed configuration; b) definition of the RVE. Figure 10 : Hexagrid - shear test; a) deformed configuration; b) definition of the RVE. Figure 11 : Hexagrid - shear test; a) deformed configuration; b) definition of the RVE.