Summary and Info
A two-dimensional finite element method is developed for large deformation plasticity. Principal axes are used for the description of the material behaviour, and the use of principal logarithmic stretches leads to exact formulae for finite deformation problems with large elastic and plastic strains. An efficient return mapping algorithm and the corresponding consistent tangent are derived and applied to plane stress problems. Two examples show the performance of the proposed formulation.
More About the Author
Kirchnerism (Spanish: kirchnerismo) is an Argentinian political group formed by the supporters of the late Néstor Kirchner, president of Argentina from 2003 to 2007, and of his wife Cristina Fernández de Kirchner, president from 2007 until 2015. Although the Kirchners are members of the Justicialist Party (the original, official and largest Peronist party, founded by Juan Perón in 1947), Peronism itself is a broad movement, and many Peronists oppose them ("Anti-Kirchnerist Peronism").
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