Addresses for Euromech Officers Euromech Council Members Chairpersons of Conference Committees Euromech Solid Mechanics Fellow 2006 Paper Some Remarks on Identification Strategies for Consti- Tutive Behavior

Most often, identification is viewed as an ill-posed data fitting problem. The optimum set of parameters is deduced from a direct comparison between numerical experiments and actual tests, and the ill-posed nature of the problem leads to the use of a regularization technique. When the data are highly scattered, one uses filtering techniques, among which the most widely known is that proposed by Kalman and its numerous variations. Here, our objective is to discuss the potential of a somewhat different approach inspired by verification and validation concepts and techniques.