Mean Field Type Control with Congestion (II): An Augmented Lagrangian Method

Yves Achdou (1) , Mathieu Laurière (1)

1 LJLL - Laboratoire Jacques-Louis Lions

This work deals with a numerical method for solving a mean-field type control problem with congestion. It is the continuation of an article by the same authors, in which suitably defined weak solutions of the system of partial differential equations arising from the model were discussed and existence and uniqueness were proved. Here, the focus is put on numerical methods: a monotone finite difference scheme is proposed and shown to have a variational interpretation. Then an Alternating Direction Method of Multipliers for solving the variational problem is addressed. It is based on an augmented Lagrangian. Two kinds of boundary conditions are considered: periodic conditions and more realistic boundary conditions associated to state constrained problems. Various test cases and numerical results are presented.

Mots clés: Mean field type control; Congestion; Augmented lagrangian

Domaines: Equations aux dérivées partielles [math.AP]; Informatique et langage [cs.CL]; Analyse numérique [cs.NA]; Analyse numérique [math.NA]

Yves Achdou, Mathieu Laurière. Mean Field Type Control with Congestion (II): An Augmented Lagrangian Method. 2016. ⟨hal-01392818⟩