Gradient-extended two-surface damage-plasticity: micromorphic formulation and numerical aspects
A regularized gradient-extended damage-plasticity model is discussed which is based on a
micromorphic approach in the spirit of Forest (2009). Damage and plasticity are treated as …
micromorphic approach in the spirit of Forest (2009). Damage and plasticity are treated as …
Mechanistic fatigue in Ni-based superalloy single crystals: A study of crack paths and growth rates
V Karamitros, DW MacLachlan, FPE Dunne - Journal of the Mechanics and …, 2022 - Elsevier
The mechanistic basis of microstructurally short crack paths and growth rates is investigated
in Ni-based superalloy single crystals using Crystal Plasticity (CP) and eXtended Finite …
in Ni-based superalloy single crystals using Crystal Plasticity (CP) and eXtended Finite …
A gradient-extended two-surface damage-plasticity model for large deformations
This work is concerned with the theoretical development, algorithmic implementation and
numerical investigation of a novel thermodynamically consistent 'two-surface'gradient …
numerical investigation of a novel thermodynamically consistent 'two-surface'gradient …
[HTML][HTML] An FFT-based crystal plasticity phase-field model for micromechanical fatigue cracking based on the stored energy density
A novel FFT-based phase-field fracture framework for modelling fatigue crack initiation and
propagation at the microscale is presented. A damage driving force is defined based on the …
propagation at the microscale is presented. A damage driving force is defined based on the …
Modelling of short crack growth in single crystal Ni γ− γ′ microstructure
V Karamitros, DW MacLachlan, FPE Dunne - Acta Materialia, 2022 - Elsevier
Mechanistic short crack growth in single crystal Ni γ− γ′ microstructure is investigated using
Crystal Plasticity (CPFEM) and eXtended Finite Element Method (XFEM). Maximum slip and …
Crystal Plasticity (CPFEM) and eXtended Finite Element Method (XFEM). Maximum slip and …
Micromorphic approach to single crystal plasticity and damage
Eringen's micromorphic approach for materials with microstructure is applied to the plasticity
and damage of single crystals. A plastic microdeformation variable and its rotational part are …
and damage of single crystals. A plastic microdeformation variable and its rotational part are …
[HTML][HTML] Micromorphic crystal plasticity approach to damage regularization and size effects in martensitic steels
A reduced micromorphic model is formulated in the scope of crystal plasticity and crystalline
cleavage damage. The finite strain formulation utilizes a single additional microvariable that …
cleavage damage. The finite strain formulation utilizes a single additional microvariable that …
A coupled crystal plasticity FEM and phase-field model for crack evolution in microstructures of 7000 series aluminum alloys
A coupled crystal plasticity-phase field (CP-PF) model is developed in this paper for
analyzing crack nucleation and propagation in polyphase-polycrystalline microstructures of …
analyzing crack nucleation and propagation in polyphase-polycrystalline microstructures of …
Crystal plasticity analysis of cylindrical holes and their effects on the deformation behavior of Ni-based single-crystal superalloys with different secondary orientations
H Zhou, X Zhang, P Wang, S Lu - International Journal of Plasticity, 2019 - Elsevier
The effects of cylindrical holes and secondary orientations on the deformation behavior of Ni-
based single crystals were investigated by in-situ tensile experiments and crystal plasticity …
based single crystals were investigated by in-situ tensile experiments and crystal plasticity …
[HTML][HTML] Simulation of ductile crack initiation and propagation by means of a non-local Gurson-model
In the present study a non-local GTN-model in an implicit gradient-enriched formulation is
employed to simulate ductile crack growth under small-scale yielding conditions …
employed to simulate ductile crack growth under small-scale yielding conditions …