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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Asik, Emin Erkan
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024In vitro and in vivo evaluation of the osseointegration capacity of a polycarbonate-urethane zirconium-oxide composite material for application in a focal knee resurfacing implantcitations
- 2022Surface texture analysis of different focal knee resurfacing implants after 6 and 12 months in vivo in a goat modelcitations
- 2020An RVE-Based Study of the Effect of Martensite Banding on Damage Evolution in Dual Phase Steelscitations
- 2019Microscopic investigation of damage mechanisms and anisotropic evolution of damage in DP600citations
- 2019Prediction of void growth using gradient enhanced polycrystal plasticitycitations
- 2018Investigation of microstructural features on damage anisotropy
- 2018A class of rate-independent lower-order gradient plasticity theoriescitations
- 2018Investigation of anisotropic damage evolution in dual phase steels
- 2017Implementation and application of a gradient enhanced crystal plasticity modelcitations
- 2017Numerical investigation of void growth with respect to lattice orientation in bcc single crystal structure
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document
Implementation and application of a gradient enhanced crystal plasticity model
Abstract
<p>A rate-independent crystal plasticity model is implemented in which description of the hardening of the material is given as a function of the total dislocation density. The evolution of statistically stored dislocations (SSDs) is described using a saturating type evolution law. The evolution of geometrically necessary dislocations (GNDs) on the other hand is described using the gradient of the plastic strain tensor in a non-local manner. The gradient of the incremental plastic strain tensor is computed explicitly during an implicit FE simulation after each converged step. Using the plastic strain tensor stored as state variables at each integration point and an efficient numerical algorithm to find the gradients, the GND density is obtained. This results in a weak coupling of the equilibrium solution and the gradient enhancement. The algorithm is applied to an academic test problem which considers growth of a cylindrical void in a single crystal matrix.</p>