PSI - Issue 2_A

Simone Ancellotti et al. / Procedia Structural Integrity 2 (2016) 3098–3108 Simone Ancellotti et al./ Structural Integrity Procedia 00 (2016) 000–000

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point on the volume of the fluid is imposed to be constant during the rest of simulation (Fig. 2c and Fig. 3b). There is also a successive moment in which the fluid is pushed out; see Fig. 2d. The present modeling follows the similar base concept of the fluid-entrapment-crack of Bower (1988) and Taizo Makino (2012).

Fig.2. Approach of the second body: transition steps;

Fig. 3. Approaching instant of the second body on the crack mouth; hydrostatic element used in the simulation; the volume of the entrapped fluid has been conserved; the scale of deformations has been exaggerated for sake of clearness.

Fig. 4. Scheme of the FEM model; upon the global sight and downward the array of cracks.