Journal
JOURNAL OF MECHANICS OF MATERIALS AND STRUCTURES
Volume 4, Issue 10, Pages 1711-1727Publisher
MATHEMATICAL SCIENCE PUBL
DOI: 10.2140/jomms.2009.4.1711
Keywords
thin-walled structures; flexural-torsional buckling; warping constraints
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Funding
- Ricerche di Universita of the University of Rome 'La Sapienza'
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We present two applications of a direct one-dimensional beam model suitable for describing the buckling of thin-walled structures. The first application considers the buckling of a compressed beam with an intermediate stiffener under various warping constraints. The second describes the buckling of a two-bar frame, known as a Roorda frame, loaded by a dead force at the joint. Various warping constraints at the bar ends are considered and the relevant buckling modes and loads are numerically evaluated. Numerical results are presented for both cases; some of these appear to be new.
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