Stiffened and prestressed composite overwrapped pressure vessels
Thesis/Dissertation
·
OSTI ID:5131858
A structural analysis of a stiffened cylindrical pressure vessel closed with spherical caps is presented. This construction consists of an isotropic, stiffened inner metal layer strengthened by two unidirectional composite overwrapped layers in which the fibers have a ring winding. One layer covers the structure completely, and provides reinforcement in the axial direction, while another covers the cylindrical part only with a circumferential composite overwrap. Methods are developed for deriving equivalent flexural rigidity, extensional rigidity, and interaction influence stiffness. Analytical solutions and numerical results for vessels with and without edge stiffeners are presented. This study is confined to the isotropic/orthotropic thin-shell theory and uses load sharing liners; it also assumes that there is no adhesive between layers, thus no shear coupling.
- Research Organization:
- Johns Hopkins Univ., Baltimore, MD (USA)
- OSTI ID:
- 5131858
- Country of Publication:
- United States
- Language:
- English
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