Исследование напряженно-деформированного состояния гофрированных и сплошных панелей с учетом геометрической анизотропии и ортотропных свойств материала

Abstract

The article contains the results of a numerical study of the comparative analysis of the solutions of the two methods of determining the stress-strain state of the corrugated plate and the solid plate with orthotropic material properties. The elastic coefficients of the equivalent anisotropic plate are determined by comparing the stiffness of elements of finite size, allocated and anisotropic corrugated panels. Corrugated panels, corrugated sheets have found wide application in various fields of mechanical engineering, shipbuilding, aviation and others. In particular, these panels are used in metal silos. Usually the panels are thin-walled elements with different corrugation profile. The structure (geometry) of undulation depends stiffness investigated thin panels. When comparing the calculation results with the geometric anisotropy of the plate and the plate with orthotropic material properties, which were investigated in two productions, produced great differences in quality films as well as in quantitative values. On this basis, the applicability of traditional methods of calculation corrugated panels in the form of a solid plate with altered properties of matter at the orthotropic, slightly untrue.