Electronic Journal of Differential Equations,
Vol. 2012 (2012), No. 167, pp. 1-9.

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

Author: Aurora Angela Pisano (Univ. Mediterranea of Reggio Calabria, Italy)

Abstract:
 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.