We describe, and we discuss the merits of, a two-dimensional nonlinear shell model analogous to a model proposed by W.T. Koiter in 1966, where the exact change of curvature tensor… Click to show full abstract
We describe, and we discuss the merits of, a two-dimensional nonlinear shell model analogous to a model proposed by W.T. Koiter in 1966, where the exact change of curvature tensor is suitably modified. A first interest of this model, from the computational viewpoint, is that the resulting stored energy function becomes a polynomial with respect to the unknown components of the deformation field and their partial derivatives.
               
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