6-dof shell element
6-dof shell element
(OP)
Typically shell elements are either uncoupled systems (membrane 2-dof + plate 3-dof per node), or coupled 5-dof (Ahmad element) described in Bathe's book. In both cases, the in-plane rotation in nodes is neglected or an artificial spring is added to avoid numerical problems during the solution of the equations.
Does anyone know where could I find the description of a truly 6-dof shell element (shape functions, etc)?
Does anyone know where could I find the description of a truly 6-dof shell element (shape functions, etc)?





RE: 6-dof shell element
Brad
Simo, J.C., Fox, D.D., and Hughes, T.J.R., ``Formulations of Finite Elasticity with Independent Rotations,'' Computer Methods in Applied Mechanics and Engineering, Vol. 95, 1992, pp. 277-288.
Fox, D.D., and Simo, J.C., ``A Drill Rotation Formulation for Geometrically Exact Shells,''Computer Methods in Applied Mechanics and Engineering, Vol. 98, No. 3, 1992,
pp. 329-343.
RE: 6-dof shell element
Brad
RE: 6-dof shell element
Thanks for the references. You are right, there is no such thing.
cmfg