2007 | OriginalPaper | Chapter
Closed Form Trigonometric Solution of Inhomogeneous Beam-Columns
Buckling Problem
Authors : Ivo Caliò, Isaac Elishakoff
Published in: Mechanical Vibration: Where do we Stand?
Publisher: Springer Vienna
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In this study four cases of harmonically varying buckling modes are postulated and semi-inverse problems are solved that result in the distributions of the flexural rigidity compatible to the pre-selected modes and to specified axial load distributions. In all cases the closed-form solutions are obtained for the eigenvalue parameter. For comparison the obtained closed form solution is contrasted with an approximate solution based on an appropriate polynomial shape, serving as trial function in an energy method