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Abstract
Elastic and geometric stiffness matrices were derived using Castigliano's first theorem, for the case of torsion of restrained thin-walled bars of open constant bisymmetric cross-section. Functions which describe the angles of torsion were adopted from the solutions of thedifferential equation for restrained torsion. The exact solutions were simplified by expanding them in a power series. Numerical examples were taken from Kujawa M 2009 Static and Sensitivity Analysis of Grids. . . 97, GUT Publishing House, and Szymczak C 1978 Engineering Transaction 26 323. Convergence of the solutions was analyzed using the matrices derived for torsion angles, warping, bimoments and critical forces.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
TASK Quarterly
no. 16,
pages 5 - 15,
ISSN: 1428-6394 - Language:
- English
- Publication year:
- 2012
- Bibliographic description:
- Kujawa M.: Torsion of restrained thin-walled bars of open constant bisymmetric cross-section// TASK Quarterly. -Vol. 16., iss. 1-2 (2012), s.5-15
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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