On numerical solution of a variational inequality of the 4th order by finite element method
Applications of Mathematics, Tome 23 (1978) no. 5, pp. 334-345.

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The problem of a thin elastic plate, deflection of which is limited below by a rigid obstacle is solved. Using Ahlin's and Ari-Adini's elements on rectangles, the convergence is established and SOR method with constraints is proposed for numerical solution.
DOI : 10.21136/AM.1978.103760
Classification : 31A30, 35J20, 49A29, 65K05, 65N30, 73K10, 74K20, 74S05, 74S30, 90C20
Mots-clés : quadratic programming; elastic clamped plate; algorithm; energy functional; convergence; minimization problem; numerical solution; finite element method 
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Haslinger, Jaroslav. On numerical solution of a variational inequality of the 4th order by finite element method. Applications of Mathematics, Tome 23 (1978) no. 5, pp. 334-345. doi : 10.21136/AM.1978.103760. https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1978.103760/

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