Chaboche Material Model Optimization for Evaluation of Residual Stress Field in Cold Worked Holes Author: Claudia Polese, Sergio Urso Sculco (University of Pisa), Francesco Franchini, Francesco Pietra (Enginsoft) The following presentation focuses on the Chaboche material model optimization for evaluation of residual stress field in cold worked holes. LOG IN TO DOWNLOAD SIGN IN Username * Enter your www.esteco.com username. Password * Enter the password that accompanies your username. Create New Account Request New Password