As inelastic structures are ubiquitous in many engineering fields, a central task in
computational mechanics is to develop accurate, robust and efficient tools for their analysis …

Mixed assumed stress finite elements (FEs) have shown good advantages over traditional
displacement‐based formulations in various contexts. However, their use in incremental …

A mathematical programming formulation of strain‐driven path‐following strategies to
perform shakedown and limit analysis for perfectly elastoplastic materials in an FEM context …

A mixed membrane eight‐node quadrilateral finite element for the analysis of masonry walls
is presented. Assuming that a nonlinear and history‐dependent 2D stress‐strain constitutive …

The equivalent frame model for the assessment of in-plane mechanisms of masonry walls
can be suitably based on a 2-node force-based finite element (FE) consisting of a central …

A novel high-performance eight-node quadrilateral mixed finite element is presented. Its
formulation is based on a Hu-Washizu type functional, suitable to the treatment of material …

The work builds upon previous developments made by the authors in the context of the
nonlinear, in-plane analysis of masonry walls. The structural behavior is characterized by …

The analysis of reinforced concrete shell structures accounting for material nonlinearity is
addressed. The structural response is numerically evaluated using a mixed shell finite …

A new method for the incremental elastoplastic analysis of structures is presented. Retaining
all the equations and variables of the problem at the same level, a particular implementation …

A three field variational framework is used to formulate a new class of mixed finite elements
for the elastoplastic analysis of 2D problems. The proposed finite elements are based on the …