Numeric simulation of three-dimensional dynamics and strength of multilayered spirally orthotropic cylinders
2012
Based on expansion of variables into Fourier series by the angular coordinate with the subsequent application of the Wilkins two-dimensional algorithm, we have elaborated a numerical-analytical method for calculation of three-dimensional non-axisymmetric dynamics and strength of multilayer thick-walled elastic spirally orthotropic cylinders of final length with application of the Ashkenazi and Tsai–Wu criteria of orthotropic material fracture. A numerical study of the influence of explosive charge offset relative to the symmetry centre on stress-strain state and strength of singleand two-layered shell has been provided.
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