MATEC Web Conf.
Volume 310, 20204th International Scientific Conference Structural and Physical Aspects of Construction Engineering (SPACE 2019)
|Number of page(s)||6|
|Published online||05 March 2020|
Base functions effect in stability finite element analysis of compressed plate
Slovak University of Technology, Faculty of Civil Engineering, Department of Structural Mechanics, Radlinskeho 11, Bratislava 810 05, Slovakia
* Corresponding author: email@example.com
Geometric nonlinear solution of a compressed plate is presented in this paper. Basic assumptions are specified and incremental conditional equations are derived from the variational principle of minimum of total potential energy. Full Newton-Raphson procedure, in which the stiffness matrix is updated at every equilibrium iteration, has been applied for solution. The importance of modifications of base functions for solving geometric nonlinear problems is analysed. The solved example is presented, the differences are compared and explained.
© The Authors, published by EDP Sciences, 2020
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