Finite Element Method for the Calculation of Nonlinear Buckling of Shell Structures.

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Harbord, R.
Kroeplin, B.
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MATHEMATICAL TECHNIQUES - Finite Element Method;
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The geometrically nonlinear theory of finite displacements is formulated in terms of finite elements in a mixed representation. The problem is linearized by the method of linear increments. The method is specialized for thin shell structures and is applied in a study on the pre- and postbuckling behavior of plates and circular cylindrical shells. The effect of different boundary conditions and imperfections on the buckling behavior is made clear by a number of examples.
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页码:314 / 320
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