D. Balagangadhar et Da. Tortorelli, Design of large-deformation steady elastoplastic manufacturing processes. Part II: sensitivity analysis and optimization, INT J NUM M, 49(7), 2000, pp. 933-950
Citations number
27
Categorie Soggetti
Engineering Mathematics
Journal title
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING
An optimization algorithm for quasi-steady forming processes is presented t
hat is based upon the computationally efficient reference frame formulation
. The direct differentiation method is used to efficiently evaluate the res
ponse sensitivities. Select forming response measures and their sensitiviti
es are combined with non-linear programming methods to optimize the process
. To illustrate these methods, drawing and rolling processes are optimized
The die shape in a drawing process is designed to minimize the distortion a
nd yield stress variation in the workpiece. The pass heights in a multi-pas
s rolling process are designed to so that the same degree of camber, and he
nce the same roll, can be used in each of the passes. Copyright (C) 2000 Jo
hn Wiley & Sons, Ltd.