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Calculation of load carrying capacity of shell structures with elasto-plastic material by direct methods

  • Proceedings of the International Conference on Material Theory and Nonlinear Dynamics. MatDyn. Hanoi, Vietnam, Sept. 24-26, 2007, 8 p. In this paper, a method is introduced to determine the limit load of general shells using the finite element method. The method is based on an upper bound limit and shakedown analysis with elastic-perfectly plastic material model. A non-linear constrained optimisation problem is solved by using Newton’s method in conjunction with a penalty method and the Lagrangean dual method. Numerical investigation of a pipe bend subjected to bending moments proves the effectiveness of the algorithm.

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Metadaten
Author:Thanh Ngoc Tran, Manfred Staat, R. Kreißig
DOI:https://doi.org/10.21269/191
Document Type:Conference Proceeding
Language:English
Year of Completion:2007
Publishing Institution:Fachhochschule Aachen
Contributing Corporation:University of Technology <Chemnitz>
Date of the Publication (Server):2007/10/10
GND Keyword:Finite-Elemente-Methode
Source:Proceedings of the International Conference on Material Theory and Nonlinear Dynamics. MatDyn. Hanoi, Vietnam, Sept. 24-26, 2007, 8 p.
Institutes:FH Aachen / Fachbereich Medizintechnik und Technomathematik
FH Aachen / IfB - Institut für Bioengineering
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten