PSI - Issue 37

Ekaterina Smotrova et al. / Procedia Structural Integrity 37 (2022) 257–262 E. Smotrova et al. / Structural Integrity Procedia 00 (2019) 000 – 000

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Acknowledgement The authors gratefully acknowledge financial support from the Government of the Russian Federation under the mega-grant program, contract no. 075-15-2021-578 of May 31, 2021, hosted by Perm National Research Polytechnic University.

(a)

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Fig. 3 Damage regions in brittle elastic model subjected to tension (a) and compression (b) (solid lines – damage regions on the outer surface, dashed line – damage region inside structure).

Table 1. Failure criteria in material models and calculated strength of trabecular bone tissue Trabeculae strength criterion, MPa Maximum principal stress Maximum von Mises stress Parameters Ultimate tensile strength Yield stress Value 138 59 Effective strength of trabecular bone tissue, MPa Brittle Ductile Tension 11.49 4.94 Compression 11.49 4.94

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