Sichov A. Solution of the creep problems for thin shells considering damage, geometrical nonlinearity and shear

Thin-walled shell structure elements, which are deforming in condition of creep and damage. Solution of the creep-damage problems for thin shells considering asymmetrical material properties, geometrical nonlinearity and transversal shear. Method of integration by parameter, S.K.Godunov's method and Runge-Kutta-Merson method. The new variant of technical creep-damage theory for shells basing on general assumptions of three dimensional deformation is given. The creep axisymmetrical thin shells problem's solutions taking in consideration the asymmetrical material properties were obtained. The creep-damage theory using one and three structural parameters and joint consideration of geometrical nonlinearity, shear and damage of shell material were investigated. The designed software were transferred to the Ukrainian Foundation of Algorithms and Programs. The sphere of application is aerospace, building, metallurgical and engineering industry branches.