Issue 61

Y. Hadidane et alii, Frattura ed Integrità Strutturale, 61 (2022) 69-88; DOI: 10.3221/IGF-ESIS.61.05

one adopted elements of nonlinear mesh of the S8R type, which is a thick hull with 8 nodes doubly curved with a reduced integration and 6 dofs/node. A finite element mesh capture of the modeled beams is presented in Fig. 13.

Figure 11: Failure mode of the delta beam.

Figure 12: Failure mode of the bi-delta beam.

(a)

(b)

Figure 13: Finite element meshing of models, (a) delta beam and (b) bi-delta beam.

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