Hierarchical multiscale crystal plasticity framework for plasticity and strain hardening of multi-principal element alloys

Q Fang, W Lu, Y Chen, H Feng, PK Liaw, J Li - Journal of the Mechanics …, 2022 - Elsevier
The multi-principal element alloys (MPEAs) exhibit the unprecedented combinations of the
excellent mechanical properties, especially high strength and good ductility. However, the …

Extreme sparsification of physics-augmented neural networks for interpretable model discovery in mechanics

JN Fuhg, RE Jones, N Bouklas - Computer Methods in Applied Mechanics …, 2024 - Elsevier
Data-driven constitutive modeling with neural networks has received increased interest in
recent years due to its ability to easily incorporate physical and mechanistic constraints and …

Machine learning-enabled self-consistent parametrically-upscaled crystal plasticity model for Ni-based superalloys

G Weber, M Pinz, S Ghosh - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This paper introduces a concurrent multiscale modeling framework for developing
parametrically-upscaled crystal plasticity models (PUCPM) for crystalline metals that are …

Integrated Finite Element Neural Network (I-FENN) for non-local continuum damage mechanics

P Pantidis, ME Mobasher - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
We present a new Integrated Finite Element Neural Network framework (I-FENN), with the
objective to accelerate the numerical solution of nonlinear computational mechanics …

Data-driven Bayesian model-based prediction of fatigue crack nucleation in Ni-based superalloys

M Pinz, G Weber, JC Stinville, T Pollock… - npj Computational …, 2022 - nature.com
This paper develops a Bayesian inference-based probabilistic crack nucleation model for
the Ni-based superalloy René 88DT under fatigue loading. A data-driven, machine learning …

Developing parametrically upscaled constitutive and crack nucleation models for the α/β Ti64 alloy

J Shen, S Kotha, R Noraas, V Venkatesh… - International Journal of …, 2022 - Elsevier
Abstract This paper develops Parametrically Upscaled Constitutive Model (PUCM) and the
Parametrically Upscaled Crack Nucleation Model (PUCNM) for a commercially used α/β …

Cyclic microstructure analysis, crack propagation and life prediction of Inconel 750H considering the slip fracture energy

K Wang, K Song, R Xin, L Zhao, L Xu - International Journal of Plasticity, 2023 - Elsevier
The cyclic stress responses and microstructure analyses were carried out of short-term aged
Inconel 750H under high temperature low cycle fatigue tests, the influence of strain …

Evidence-based uncertainty quantification for bending properties of bimetal composites

Z Li, L Cao, M Huo, Z Jiang - Applied Mathematical Modelling, 2023 - Elsevier
Bimetal or laminated metal composites consisting of several metal or alloy layers can
efficiently absorb the advantageous properties of each metal when utilised as raw materials …

Parametrically upscaled crack nucleation model (PUCNM) for fatigue nucleation in titanium alloys containing micro-texture regions (MTR)

J Shen, V Venkatesh, R Noraas, S Ghosh - Acta Materialia, 2023 - Elsevier
Abstract Micro-texture regions (MTRs), delineated as the clusters of grains with similar
crystallographic orientations in the polycrystalline microstructure, play a significant role in …

Spatially-dependent material uncertainties in anisotropic nonlinear elasticity: Stochastic modeling, identification, and propagation

P Chen, J Guilleminot - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This paper develops a stochastic model for the spatially-dependent material parameters
parameterizing anisotropic strain energy density functions. The construction is cast within …