Axisymmetric thermoelastoplastic stress-strain state of flexible laminated transversely isotropic shells |
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Authors: | M E Babeshko Yu N Shevchenko |
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Institution: | (1) S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kiev |
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Abstract: | The paper presents a technique for numerical analysis of the elastoplastic stress-strain state of flexible laminated shells
of revolution made of isotropic and transversely isotropic materials and subjected to axisymmetric loading and heating. The
technique is based on the Kirchhoff-Love hypotheses for the whole laminate. The deformation of the isotropic materials is
described using the theory of deformation along paths of small curvature. The deformation of the transversely isotropic material
is described using the flow theory with isotropic hardening. The process of loading is divided into steps at each of which
the stress-strain state is determined by the method of successive approximations. A numerical example is given
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Translated from Prikladnaya Mekhanika, Vol. 42, No. 12, pp. 76–86, December, 2006. |
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Keywords: | thermoelastoplastic stress-strain state laminated shells of revolution transversely isotropic material flow with isotropic hardening |
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