ABSTRACT
Mixed formulations. The mixed formulation is defined as the one in which the governing functional has two features: (1) it depends on several types of variables, and (2) some of the variables are the Lagrange multipliers.
Mixed formulations. The mixed formulation is defined as the one in which the governing functional has two features: (1) it depends on several types of variables, and (2) some of the variables are the Lagrange multipliers.