On the effect of orthotropy in a cracked cylindrical shell | Zendy

F. Erdoğan | Zendy; M. Ratwani | Zendy; U. Y�ceoglu | Zendy

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On the effect of orthotropy in a cracked cylindrical shell

Author(s) -

F. Erdoğan,

M. Ratwani,

U. Y�ceoglu

Publication year - 1974

Publication title -

international journal of fracture

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.973

H-Index - 95

eISSN - 1573-2673

pISSN - 0376-9429

DOI - 10.1007/bf00035497

Subject(s) - orthotropic material , materials science , composite material , poisson's ratio , shell (structure) , shear modulus , modulus , moduli , young's modulus , stress intensity factor , structural engineering , deck , material properties , poisson distribution , fracture mechanics , finite element method , mathematics , engineering , physics , statistics , quantum mechanics

A pressurized cylindrical shell containing a longitudinal crack is considered. It is assumed that the material has a special orthotropy, namely that the shear modulus of the sheet may be evaluated from the measured Young's moduli and the Poisson's ratios rather than being an independent material constant. Two examples, one for a mildly orthotropic (titanium) and the other for a strongly orthotropic (graphite) material approximately satisfying the condition of special orthotropy are given. The results show that the stress intensity factors are rather strongly dependent on the degree of orthotropy.

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