A variational principle in a geometrically nonlinear theory of heterogeneous viscoelastic shells |
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Authors: | R Yu Amenzadeh |
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Institution: | (1) Baku State University, Baku, Azerbaijan |
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Abstract: | The use of the hereditary theory for shells heterogeneous across their thickness is considered. A variational method is formulated
for calculating thin anisotropic shells made of a material whose deformation behavior can be described by relations of the
linear theory of viscoelasticity. In order to transform the corresponding functional into a form suitable for shells, some
assumptions related to concepts of the theory of thin shells are introduced. In the capacity of Euler equations, physical
relations, nonlinear equilibrium equations, and nonlinear boundary conditions are derived. The state equations are deduced
for a multilayered shell.
Translated from Mekhanika Kompozitnykh Materialov, Vol. 45, No. 2, pp. 231–240, March–April, 2009. |
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Keywords: | multilayer shell tensors of instantaneous compliance creep operators |
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