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Finite element analysis of revolution shells by using high order triangle element of discretization with correcting Lagrange multipliers

Yu. V. Klochkov, A. P. Nikolaev, O. V. Vakhnina

Volgograd State Agricultural University

Abstract: The algorithm of calculation of thin shells on a basis of a triangular finite element is described. The column of nodal variable parameters of this element additionaly contains correction Lagrange multipliers, which allows one to improve the conditions of compatibility between the elements in the variational formulation of the problem.

Key words: shell of revolution, finite element method, triangular finite element, Lagrange multipliers.

UDC: 539.3

Received: 29.04.2014

 English version: Moscow University Mathematics Bulletin, Moscow University Mеchanics Bulletin, 2016, 71:5, 114–117

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