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ABSTRACT

Geometrically Exact Assumed Stress-Strain Four-Node Element Based on the 9-Parameter Shell Model

G.M. Kulikov1, E. Carrera2, S.V. Plotnikova1, S. Brischetto2

Tambov Technical University, 392000 Tambov, Russia, kulikov@apmath.tstu.ru
Politecnico di Torino, 10129 Torino, Italy, erasmo.carrera@polito.it

The International Conference on Computational & Experimental Engineering and Sciences 2008, 5(3), 187-192. https://doi.org/10.3970/icces.2008.005.187

Abstract

This paper presents the geometrically exact assumed stress-strain four-node element with nine displacement degrees of freedom per node. The finite element formulation developed is based on the 9-parameter shell model by employing a new concept of interpolation surfaces (I-surfaces) inside the shell body. We introduce three I-surfaces and choose nine displacements of these surfaces as fundamental shell unknowns. Such choice allows us to represent the higher-order shell formulation in a very compact form and to derive in curvilinear reference surface coordinates the strain-displacement relationships, which are objective, i.e. invariant under all rigid-body motions.

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APA Style
Kulikov, G., Carrera, E., Plotnikova, S., Brischetto, S. (2008). Geometrically exact assumed stress-strain four-node element based on the 9-parameter shell model. The International Conference on Computational & Experimental Engineering and Sciences, 5(3), 187-192. https://doi.org/10.3970/icces.2008.005.187
Vancouver Style
Kulikov G, Carrera E, Plotnikova S, Brischetto S. Geometrically exact assumed stress-strain four-node element based on the 9-parameter shell model. Int Conf Comput Exp Eng Sciences . 2008;5(3):187-192 https://doi.org/10.3970/icces.2008.005.187
IEEE Style
G. Kulikov, E. Carrera, S. Plotnikova, and S. Brischetto, “Geometrically Exact Assumed Stress-Strain Four-Node Element Based on the 9-Parameter Shell Model,” Int. Conf. Comput. Exp. Eng. Sciences , vol. 5, no. 3, pp. 187-192, 2008. https://doi.org/10.3970/icces.2008.005.187



cc Copyright © 2008 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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