TY - JOUR
T1 - Identification of the mechanical behaviour of biopolymer composites using multistart optimisation technique
AU - Brahim, Elhacen
AU - Guessasma, Sofiane
AU - Imad, Abdellatif
AU - Benseddiq, Noureddine
N1 - KAUST Repository Item: Exported on 2020-10-01
PY - 2013/10
Y1 - 2013/10
N2 - This paper aims at identifying the mechanical behaviour of starch-zein composites as a function of zein content using a novel optimisation technique. Starting from bending experiments, force-deflection response is used to derive adequate mechanical parameters representing the elastic-plastic behaviour of the studied material. For such a purpose, a finite element model is developed accounting for a simple hardening rule, namely isotropic hardening model. A deterministic optimisation strategy is implemented to provide rapid matching between parameters of the constitutive law and the observed behaviour. Results are discussed based on the robustness of the numerical approach and predicted tendencies with regards to the role of zein content. © 2013 Elsevier Ltd.
AB - This paper aims at identifying the mechanical behaviour of starch-zein composites as a function of zein content using a novel optimisation technique. Starting from bending experiments, force-deflection response is used to derive adequate mechanical parameters representing the elastic-plastic behaviour of the studied material. For such a purpose, a finite element model is developed accounting for a simple hardening rule, namely isotropic hardening model. A deterministic optimisation strategy is implemented to provide rapid matching between parameters of the constitutive law and the observed behaviour. Results are discussed based on the robustness of the numerical approach and predicted tendencies with regards to the role of zein content. © 2013 Elsevier Ltd.
UR - http://hdl.handle.net/10754/562985
UR - https://linkinghub.elsevier.com/retrieve/pii/S0261306913003208
UR - http://www.scopus.com/inward/record.url?scp=84877827420&partnerID=8YFLogxK
U2 - 10.1016/j.matdes.2013.04.005
DO - 10.1016/j.matdes.2013.04.005
M3 - Article
SN - 0264-1275
VL - 51
SP - 391
EP - 397
JO - Materials & Design
JF - Materials & Design
ER -