TY - JOUR
T1 - Discrete inclusion models for reinforced composites
T2 - Comparative performance analysis and modeling challenges
AU - Goudarzi, M.
AU - Simone, A.
PY - 2019
Y1 - 2019
N2 - We report the results of a comparative analysis of mesh independent discrete inclusion models and point out some shortcomings of classical approaches in the approximation of the strain field across an inclusion (artificial continuity) and the slip profile along an inclusion (oscillatory behavior). We also present novel embedded reinforcement models based on partition of unity enrichment strategies, adaptive h-refinement, and order/regularity extensions. These novel models are assessed by means of mesh convergence studies and it is shown that they improve the quality of the solution by significantly decreasing local spurious oscillations in the slip profile along an inclusion.
AB - We report the results of a comparative analysis of mesh independent discrete inclusion models and point out some shortcomings of classical approaches in the approximation of the strain field across an inclusion (artificial continuity) and the slip profile along an inclusion (oscillatory behavior). We also present novel embedded reinforcement models based on partition of unity enrichment strategies, adaptive h-refinement, and order/regularity extensions. These novel models are assessed by means of mesh convergence studies and it is shown that they improve the quality of the solution by significantly decreasing local spurious oscillations in the slip profile along an inclusion.
KW - Embedded reinforcement
KW - Fiber-reinforced composite
KW - Non-smooth slip profile
KW - Platelet inclusion
UR - http://www.scopus.com/inward/record.url?scp=85068359089&partnerID=8YFLogxK
U2 - 10.1016/j.cma.2019.06.026
DO - 10.1016/j.cma.2019.06.026
M3 - Article
AN - SCOPUS:85068359089
SN - 0045-7825
VL - 355
SP - 535
EP - 557
JO - Computer Methods in Applied Mechanics and Engineering
JF - Computer Methods in Applied Mechanics and Engineering
ER -