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A three-segment ten-member thin-shell structure with flat walls is considered made of material with instantaneous characteristic approximated by means of an ideally elastic-plastic material model. The structure material (polycarbonate) demonstrates the temporary double refraction effect in polarized light. The system is subject to twisting resulting in state of local post-critical deformation of skin segments within the structure area that is interpreted, in first approximation, as a field of drawing forces. As a result of non-linear numerical analysis in the course of which conformance of equilibrium paths obtained numerically and by means of the experiment is assured, the stress field is determined taking into account the structure's flexural and membrane state.
Czasopismo
Rocznik
Tom
Strony
233--246
Opis fizyczny
Bibliogr. 12 poz.
Twórcy
autor
autor
- Department of Aircraft and Aircraft Engines, Rzeszów University of Technology, W. Pola 2, 35-959 Rzeszów, Poland
Bibliografia
- [1] Arborcz, J.: Post-buckling behavior of structures, Numerical techniques for more complicated structures, Lecture Notes In Physics, 228, 1985.
- [2] Bathe, K.J.: Finite element procedures, Prentice Hall, 1996.
- [3] Doyle, J.F.: Nonlinear analysis of thin-walled structures, Springer-Verlag, New York, Berlin, Heidelberg, 2001.
- [4] Crisfield, M.A.: Non-linear finite element analysis of solid and structures, J. Wiley & Sons, New York, 1997.
- [5] Felippa, C.A., Crivelli, L. A. and Haugen, B.: A survey of the core-congruential formulation for nonlinear finite element, Arch. of Comput. Meth. in Enging., 1, 1994.
- [6] Felippa, C.A.: Procedures for computer analysis of large nonlinear structural system in large engineering systems, ed. by A. Wexler, Pergamon Press, London, 1976.
- [7] Kopecki, T. and Dębski H.: Buckling and post-buckling study of open section cylindrical shells subjected to constrained torsion, Arch. of Mech. Enging., Vol. LIV, 4, 2007.
- [8] Kopecki, H.: Problemy analizy stanów naprężenia ustrojów nośnych, w świetle badań eksperymentalnych metodami mechaniki modelowej, Zeszyty Naukowe Politechniki Rzeszowskiej, Nr 78, Rzeszów, 1991.
- [9] Laerman, K.H.: The principle of integrated photo-elasticity applied to experimental analysis of plates with nonlinear deformation, Proc. 7th Conf. on experimental stress analysis, Haifa, 1982.
- [10] Lynch, C.: A finite element study of the post buckling state behaviour of a typical aircraft fuselage panel, PhD. Thesis, Queen's University, Belfast, 2000.
- [11] Marcinowski, J.: Nieliniowa stateczność powłok sprężystych, Oficyna Wydawnicza Politechniki Wrocławskiej, Wrocław, 1999.
- [12] Rakowski, G. and Kacprzyk, Z.: Metoda elementów skończonych w mechanice konstrukcji, Oficyna Wydawnicza Politechniki Warszawskiej, Warszawa, 1993.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-LOD9-0027-0016