Estimating the stressed-strained state of the vertical mounting joint of the cylindrical tank wall taking into consideration imperfections

Based on the use of a multi-level mathematical model, this paper estimates stressed-strained state cylindrical reservoir in mounting joint and considers concentration stresses zone. The correctness selected model was verified to show that for an engineering assessment wall tank with variable thickness, it is possible ratios shell constant thickness. spread values no more than 1 %, which indicates proper selection model. A numerical zone proved assumption significant stress concentrations indicated determining effect exerted by its geometric dimensions. investigated at various sizes ANSYS programming environment. result calculating dent parameters f/t constructed polynomials approximate coefficient K?. As calculations, interpolation polynomial approximating were derived, could be used assess strength, durability, residual life normalize limiting dimensions imperfection joint. This reports comparative results calculations depending software package, as well using polynomial. strength such structures.