Details
| Original language | English |
|---|---|
| Pages (from-to) | 241-258 |
| Number of pages | 18 |
| Journal | Composites Part B: Engineering |
| Volume | 125 |
| Publication status | Published - 15 Sept 2017 |
Abstract
A novel invariant-based thermo-plastic model for finite deformation analysis of short fibre reinforced composites is presented including aspects of its numerical implementation. The underlying concept complies with thermodynamic restrictions, allowing a robust and consistent modeling framework. The main novelties of the current investigation concern: (i) an alternative definition of the plastic potential function assuming a non-associative plastic formulation, and (ii) the update of the preferential material orientation along the thermo-plastic deformation process using a geometrically nonlinear description. On the computational side, the derivation of an internal variable formulation using an objective integration algorithm and the closed-form of the consistent tangent moduli are outlined. The performance of the proposed model is assessed via a set of numerical simulations, which demonstrate its applicability and robustness.
Keywords
- Anisotropic plasticity, Finite deformation, Finite element method (FEM), Short fiber reinforced thermoplastics, Thermo-mechanical coupling
ASJC Scopus subject areas
- Materials Science(all)
- Ceramics and Composites
- Engineering(all)
- Mechanics of Materials
- Engineering(all)
- Mechanical Engineering
- Engineering(all)
- Industrial and Manufacturing Engineering
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In: Composites Part B: Engineering, Vol. 125, 15.09.2017, p. 241-258.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - A new invariant-based thermo-plastic model for finite deformation analysis of short fibre reinforced composites
T2 - Development and numerical aspects
AU - Dean, A.
AU - Sahraee, S.
AU - Reinoso, J.
AU - Rolfes, R.
N1 - Funding information: The authors are thankful to Dr.-Ing. Benedikt Daum for many helpful comments and discussions. RR, SS and AD gratefully acknowledge the financial support of the German Research Council (DFG) through the program SPP 1640 (joining by plastic deformation) under the contract No. RO 706/6-2. JR is grateful to the support to the projects funded by the Spanish Ministry of Economy and Competitiveness (Projects MAT2015-71036-P and MAT2015-71309-P) and the Andalusian Government (Projects of Excellence No. TEP-7093 and P12-TEP-1050). AD gratefully acknowledges the support of Mr. and Mrs. Dean.
PY - 2017/9/15
Y1 - 2017/9/15
N2 - A novel invariant-based thermo-plastic model for finite deformation analysis of short fibre reinforced composites is presented including aspects of its numerical implementation. The underlying concept complies with thermodynamic restrictions, allowing a robust and consistent modeling framework. The main novelties of the current investigation concern: (i) an alternative definition of the plastic potential function assuming a non-associative plastic formulation, and (ii) the update of the preferential material orientation along the thermo-plastic deformation process using a geometrically nonlinear description. On the computational side, the derivation of an internal variable formulation using an objective integration algorithm and the closed-form of the consistent tangent moduli are outlined. The performance of the proposed model is assessed via a set of numerical simulations, which demonstrate its applicability and robustness.
AB - A novel invariant-based thermo-plastic model for finite deformation analysis of short fibre reinforced composites is presented including aspects of its numerical implementation. The underlying concept complies with thermodynamic restrictions, allowing a robust and consistent modeling framework. The main novelties of the current investigation concern: (i) an alternative definition of the plastic potential function assuming a non-associative plastic formulation, and (ii) the update of the preferential material orientation along the thermo-plastic deformation process using a geometrically nonlinear description. On the computational side, the derivation of an internal variable formulation using an objective integration algorithm and the closed-form of the consistent tangent moduli are outlined. The performance of the proposed model is assessed via a set of numerical simulations, which demonstrate its applicability and robustness.
KW - Anisotropic plasticity
KW - Finite deformation
KW - Finite element method (FEM)
KW - Short fiber reinforced thermoplastics
KW - Thermo-mechanical coupling
UR - http://www.scopus.com/inward/record.url?scp=85021293819&partnerID=8YFLogxK
U2 - 10.1016/j.compositesb.2017.05.043
DO - 10.1016/j.compositesb.2017.05.043
M3 - Article
AN - SCOPUS:85021293819
VL - 125
SP - 241
EP - 258
JO - Composites Part B: Engineering
JF - Composites Part B: Engineering
SN - 1359-8368
ER -