On the solution of a plate with ribs
Jaroslav Haslinger, Petr Procházka (1977)
Aplikace matematiky
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Jaroslav Haslinger, Petr Procházka (1977)
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Vladimír Janovský, Petr Procházka (1978)
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Ivan Hlaváček, Ján Lovíšek (1977)
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Jaroslav Haslinger, Ivan Hlaváček (1982)
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If the material of the bodies is elastic perfectly plastic, obeying the Hencky's law, the formulation in terms of stresses is more suitable than that in displacements. The Haar-Kármán principle is first extended to the case of a unilateral contact between two bodies without friction. Approximations are proposed by means of piecewise constant triangular finite elements. Convergence of the method is proved for any regular family of triangulations.