1998
DOI: 10.1002/(sici)1097-0207(19981130)43:6<1017::aid-nme458>3.0.co;2-r
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Post-buckling analysis of a strut with general initial imperfection

Abstract: Computational procedure has been presented for the post-buckling analysis of a strut with initial imperfection when subjected to progressive end shortening. Polynomial expression in very general form is used to simulate the actual initial imperfection, while the deformations are expressed by suitable trigonometric series. Geometric non-linearity is introduced into the strain-displacement relations in a manner that is consistent with the von Karman assumptions. Non-linear equilibrium equations are solved by a N… Show more

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