P. Boisse et al., COMPUTATION OF THIN STRUCTURES AT LARGE STRAINS AND LARGE ROTATIONS USING A SIMPLE C-0 ISOPARAMETRIC 3-NODE SHELL ELEMENT, Computers & structures, 58(2), 1996, pp. 249-261
In this paper, the efficiency of a three-node shelf finite element wit
h fifteen degrees of freedom using linear interpolation functions is s
hown for calculations involving non-linearities such as large rotation
s and large strains. The element is based on isoparametric Ahmad kinem
atics and an assumed strain method in order to avoid shear locking. Th
e element presents a pseudo-curvature and the normal continuity is ass
ured. An updated Lagrangian formulation is used and allows us to solve
problems where the rotations are large. The element works with a sing
le quadrature which leads to a good numerical efficiency. The element
involves no spurious energy mode (when considering several elements).
A set of tests is presented that show the good numerical efficiency of
the element in the case of non-linear calculations.