دانلود گزارش کارورزی و کار آموزی

چکیده : 

We revisit here the concept of the constitutive relation error for the identification of elastic material

parameters based on image correlation. An additional concept, so called constitutive compatibility of

stress, is introduced defining a subspace of the classical space of statically admissible stresses. The key

idea is to define stresses as compatible with the observed deformation field through the chosen class

of constitutive equation. This makes possible the uncoupling of the identification of stress from the identification

of the material parameters. As a result, the global cost of the identification is strongly reduced.

This uncoupling also leads to parametrized solutions in cases where the solution is non-unique as demonstrated

on 2D numerical examples