The nonlinear stability of a heavy rigid plate supported by flexible columns |
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Authors: | W.I. Thacker C.Y. Wang L.T. Watson |
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Abstract: | A heavy rigid platform is supported by thin elastic legs. The governing equations for large deformations are formulated and solved numerically by homotopy and quasi-Newton methods. Nonlinear phenomena such as nonuniqueness, catastrophe and hysteresis are found. A global critical load for nonlinear stability is introduced. |
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