Determination of Permissible Stresses along the Stiffened Hole Outline in Designs of Anisotropic Composite Materials

Abstract

Technique of determination of permissible compressive stresses in products made of anisotropic composite materials with holes in joints “parent sheet - stiffening element” is introduced. Besides, physical-mechanical properties and material load factor are taken into account. Finite-element model to determine stress strain behavior along the hole outline and in the ”field” points of composite material has been developed.