Deep anisotropic shell program for tire analysis
Carl Marius Andersen, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Langley Research Center, College of William and Mary
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1981 - Technology & Engineering - 30 pages
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aircraft tire angle approximation functions defined arrays of stiffness axial symmetry Cartesian coordinates configuration coordinate directions defined in equation differential operators defined displacement components displacement formulation Displacements are shown effects of transverse Elemental Characteristic Arrays elemental stiffness array elliptical cross section equation 20 evaluated extensional external pressure F and G finite element five generalized displacements FORTRAN G array governing functional ijk ijkl independent components isotropic Jacobians lines of curvature material properties memory middle surface normal displacement number of degrees numerical quadrature Permutational symmetry principal curvature quadrature points reduce referenced with index Sanders-Budiansky type second fundamental form semimajor axis shell domain shell is represented shell reference surface shell rotation shell stiffness shell theory shown in Fig strain approximation functions strain energy stress resultants subroutine summed surface coordinates toroidal radius torus total number transverse shear deformation type of symmetry undeformed shell values of strain