A PROCEDURE FOR COMPUTING DYNAMIC SHELL RESPONSE WITH THE FINITE ELEMENT METHOD

V. N. Marкelоv
VANT. Ser. Mat. Mod. Fiz. Proc 1991. Вып.2. С. 82-87.

      The OTSEK procedure is proposed for computing a dynamic response of rotational shells under nonaxisymmetric loading. Given elastic- plastic material properties and geometry changes due to strong deflection, the finite element method was used to obtain a numerical solution for the Timoshenko shell. The shell was approximated by curvilinear hexahedron elements with a linear field of generalized shifts. The motion equation was solved with the Newmark difference scheme for shift increments and an iteration method for an algebraic system. The procedure accuracy is estimated. The procedure efficiency is shown for solving a 3-D problem with a shell approximation.