Goal-oriented model calibration using the adjoint framework

Ludovic Chamoin (1) , Pierre Ladevèze (1)

1 LMT - Laboratoire de Mécanique et Technologie

We define and analyze a goal-oriented procedure for model calibration in Computational Mechanics. In this procedure, priority is given in the updating to parameters which are the most influent to predict a given quantity of interest. The strategy uses the constitutive relation error framework as well as duality and adjoint techniques. The objective is thus to perform a partial model validation that enables to obtain the value of the quantity of interest with sufficient accuracy and minimal modeling effort.

Mots clés: Model calibration; Goal oriented methods; Adjoint problem; Constitutive relation error

Domaines: Analyse numérique [math.NA]; Mécanique [physics]; Sciences de l'ingénieur [physics]

Ludovic Chamoin, Pierre Ladevèze. Goal-oriented model calibration using the adjoint framework. 2nd ECCOMAS Young Investigators Conference (YIC 2013), Sep 2013, Bordeaux, France. ⟨hal-00855917⟩