Abstract
A class of Lagrangian mixed finite elements is presented for applications to 2D structural problems based on a damage constitutive model. Attention is focused on localization and regularization issues as compared with the correspondent behavior of Lagrangian displacement-based elements. A non-local regularization procedure of integral type is adopted. A predictor–corrector technique is used to solve the evolution problem of the damage variable. The proposed elements show superior performances for typical structural applications.
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