Structural durability of stiffened composite shells | Zendy

Levon Minnetyan | Zendy; J. L. Varela Rivera | Zendy; Pappu L. N. Murthy | Zendy; C. C. Chamis | Zendy

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Structural durability of stiffened composite shells

Author(s) -

Levon Minnetyan,

J. L. Varela Rivera,

Pappu L. N. Murthy,

C. C. Chamis

Publication year - 1992

Publication title -

33rd structures, structural dynamics and materials conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1992-2244

Subject(s) - durability , composite number , composite material , structural engineering , materials science , computer science , engineering

The durability of a stiffened composite cylindrical shell panel is investigated under several loading conditions. An integrated computer code is utilized for the simulation of load induced structural degradation. Damage initiation, growth, and accumulation up to the stage of propagation to fracture are included in the computational simulation. Results indicate significant differences in the degradation paths for different loading cases. The effects of combined loading on structural durability and ultimate structural strength of a stiffened shell are assessed.

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