Lecture 11: Solution of Nonlinear Static FE Equations II

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Topics: Solution of the nonlinear finite element equations in static analysis II Automatic load step incrementation for collapse and post-buckling analysis Constant arc-length and constant increment of work constraints Geometrical interpretations An algorithm for automatic load incrementation Linearized buckling analysis, solution of eigenproblem Value of linearized buckling analysis Example analysis: Collapse of an arch - linearized buckling analysis and automatic load step incrementation, effect of initial geometric imperfections Instructor: Klaus-Jürgen Bathe