Abstract In this paper, we present an algorithm for geometrically nonlinear finite element analysis of the shells of revolution. Use is made of the most proper algorithms for vector interpolation of displacements through the nodal unknowns and an efficient algorithm for obtaining the stress-strain increment relation at a step of loading. By comparing the results of analyzing a geometrically nonlinear shell of revolution obtained on the basis of the ANSYS software with the scalar interpolation of displacements with those obtained on the basis of an author-developed finite element, it has been shown that application of the FEM vector displacement interpolation leads to increasing the accuracy of the finite element solutions in analyzing the stress-strain state of the geometrically nonlinear shells.
Analysis of geometrically nonlinear shells of revolution based on the finite element method with the vector interpolation of desired quantities
Russian Aeronautics (Iz VUZ) ; 56 , 4 ; 327-334
2013-10-01
8 pages
Article (Journal)
Electronic Resource
English