Pg. Ciarlet et E. Sanchezpalencia, AN EXISTENCE AND UNIQUENESS THEOREM FOR T HE MEMBRANE SHELL EQUATIONS, Comptes rendus de l'Academie des sciences. Serie 1, Mathematique, 317(8), 1993, pp. 801-805
We consider the two-dimensional membrane equations of a linearly elast
ic clamped shell, whose middle surface is uniformly elliptic. We show
that the introduction of an auxiliary first-order system, uniformly el
liptic in the sense of S. Agmon, A. Douglis and L. Nirenberg, allows t
o prove that these equations have a unique solution in the space H-0(1
) x H-0(1) x L2.