Electron. J. Diff. Equ., Vol. 2012 (2012), No. 167, pp. 1-9.

An algorithmic approach for peak load evaluation of structural elements obeying a Menetrey-Willam type yield criterion

Aurora Angela Pisano

A numerical procedure for the evaluation of the peak load of a general class of structures is presented. Namely the addressed structures obey to a three stress invariants constitutive criterion of Menetrey-Willam-type endowed with cap in compression. The formulation, developed in the Haigh-Westergaard coordinates, allows an easy treatment of the mechanical problem in a 3D context as well as an interesting geometrical interpretation in the principal stress space.

Submitted July 9, 2012. Published September 28, 2012.
Math Subject Classifications: 65D25, 74S05, 74C05.
Key Words: Numerical methods; finite element methods; rate-independent theory.

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Aurora A. Pisano
Department PAU, University Mediterranea of Reggio Calabria
Feo di Vito, 89100 Reggio Calabria, Italy
email: aurora.pisano@unirc.it

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