Calibration of a Nonlinear Elastic Composite with Goal-Oriented Error Control Using a Sub-Scale Modeling Approach
Konferensbidrag (offentliggjort, men ej förlagsutgivet), 2004

A recently proposed technique for the calibration of constitutive models is based on the optimization problem expressed such that the state equation is incorporated via an additional costate field. A distinct advantage is that error control is formally straightforward. This technique is applied to calibration of a nonlinear elastic composite using a meso-macro-transition approach, whereby the RVE is analyzed using (in this case) Dirichlet boundary conditions. The numerical results show the effectivity of the error prediction.

multiscale

calibration

a posteriori error control

parameter identification

Författare

Håkan Johansson

Chalmers, Institutionen för konstruktionsteknik, Datorintegrerad konstruktionsmekanik

Fredrik Larsson

Chalmers, Institutionen för konstruktionsteknik, Datorintegrerad konstruktionsmekanik

Kenneth Runesson

Chalmers, Institutionen för konstruktionsteknik, Datorintegrerad konstruktionsmekanik

Proc. of Second International Conference on Multiscale Materials Modeling, MMM-2, October 11-15, 2004

Vol. 1 1 466-468

Ämneskategorier

Maskinteknik

ISBN

0-9762064-1-2