✦ LIBER ✦

New design-analysis techniques for blast loaded stiffened box and cylindrical shell structures

✍ Scribed by J. Jiang; M.D. Olson

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 658 KB
Volume: 13
Category: Article
ISSN: 0734-743X
DOI: 10.1016/0734-743x(93)90092-l

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✦ Synopsis

This paper presents a brief review of some new design-analysis techniques for blast loaded engineering structures. The super finite element method, previously developed for stiffened plates, has been extended to more complex and larger structures such as orthogonally stiffened rectangular boxes and cylindrical shells. Both geometric and material nonlinearities are included in the modelling. The mathematical formulation of the new super elements is briefly outlined and some illustrative examples are presented. ' ' (a) Shell Element .~ zwF/ (b) Curved Beam Element (c) Straight Beam Element FIG. 2. Nodal configuration of super elements.

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