Investigation of the Stress State of Noncircular Hollow Cylinders of Complex Shapes with Different Curvatures

We study the stress state of a hollow cylinder with cross section in the form of connected convex semicorrugations under certain conditions imposed on the ends and external loading of the lateral surfaces in the 3D statement. For the solution of the problem, we use the approximations of functions by discrete Fourier series. The results of calculations are presented in the form of the plots of dependences of displacements and stresses on the curvature of cross section of the cylinder.