ANALYSIS OF THE THIN ELASTIC SHELLS IN THE FORM OF LONG OBLIQUE HELICOID

The paper discusses the problems of the analysis of the stress-strain state of oblique helicoidal shells. Basic geometrical and elastic stress-strain relations, equilibrium equations for the shells of this type are established. The numericalsolutionfor the case of a shallow long helicoid is given and the results are compared with the results obtained by finite-element method.

oblique helicoid, shallow shell, semianalytic method, equilibrium equa- tions for thin elastic shell theory, non-orthogonal and non-conjugate curvilinear coordinates