Abstract
The geometrically exact theory of linear elastic rods is used to formulate the general three-dimensional problem of a twisted, clamped rod hanging under gravity and subject to buoyancy forces from a fluid. The resulting boundary-value problem is solved by the method of matched asymptotic expansions. The truncated analytical solution is compared with results obtained from a numerical scheme and shows good agreement. The method is used to consider the near-catenary application of a clamped pipeline.
Key words: rod theory, matched asymptotic expansions, boundary layers, catenary, heavy cables, pipelines, buoyancy forces
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Stump, D., van der HEIJDEN, G. Matched asymptotic expansions for bent and twisted rods: applications for cable and pipeline laying. Journal of Engineering Mathematics 38, 13–31 (2000). https://doi.org/10.1023/A:1004634100466
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DOI: https://doi.org/10.1023/A:1004634100466