ON THE EFFECT OF ORTHOTROPY IN A CRACKED CYLINDRICAL SHELL

A pressurized cylindrical shell containing a longitudinal crack is considered. 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.

• Corporate Authors:

  Lehigh University

  Institute of Fracture and Solid Mechanics
  Bethlehem, PA  United States  18015
• Authors:
  • Erdogan, F
  • Ratwani, M
  • Yueceoglu, U
• Publication Date: 1973-2

Media Info

• Pagination: 14 p.

Subject/Index Terms

• TRT Terms: Cracking; Cylinders (Geometry); Shells (Structural forms); Stresses
• Uncontrolled Terms: Crack propagation; Cylindrical shells; Stress intensity factors
• Subject Areas: Marine Transportation; Materials;

Filing Info

• Accession Number: 00054880
• Record Type: Publication
• Source Agency: Shock and Vibration Digest
• Report/Paper Numbers: NASA-CR-132295
• Files: TRIS
• Created Date: Jul 15 1974 12:00AM