A comparative review of peridynamics and phase-field models for engineering fracture mechanics

P Diehl, R Lipton, T Wick, M Tyagi - Computational Mechanics, 2022 - Springer
Computational modeling of the initiation and propagation of complex fracture is central to the
discipline of engineering fracture mechanics. This review focuses on two promising …

[BOOK][B] Multiphysics phase-field fracture: modeling, adaptive discretizations, and solvers

T Wick - 2020 - books.google.com
This monograph is centered on mathematical modeling, innovative numerical algorithms
and adaptive concepts to deal with fracture phenomena in multiphysics. State-of-the-art …

Local approximate Gaussian process regression for data-driven constitutive models: development and comparison with neural networks

JN Fuhg, M Marino, N Bouklas - Computer Methods in Applied Mechanics …, 2022 - Elsevier
Hierarchical computational methods for multiscale mechanics such as the FE 2 and FE-FFT
methods are generally accompanied by high computational costs. Data-driven approaches …

[HTML][HTML] A robust radial point interpolation method empowered with neural network solvers (RPIM-NNS) for nonlinear solid mechanics

J Bai, GR Liu, T Rabczuk, Y Wang, XQ Feng… - Computer Methods in …, 2024 - Elsevier
In this work, we proposed a robust radial point interpolation method empowered with neural
network solvers (RPIM-NNS) for solving highly nonlinear solid mechanics problems. It is …

Model-data-driven constitutive responses: Application to a multiscale computational framework

JN Fuhg, C Böhm, N Bouklas, A Fau, P Wriggers… - International Journal of …, 2021 - Elsevier
Computational multiscale methods for analyzing and deriving constitutive responses have
been used as a tool in engineering problems because of their ability to combine information …

Learning hyperelastic anisotropy from data via a tensor basis neural network

JN Fuhg, N Bouklas, RE Jones - Journal of the Mechanics and Physics of …, 2022 - Elsevier
Anisotropy in the mechanical response of materials with microstructure is common and yet is
difficult to assess and model. To construct accurate response models given only stress …

Multilevel global–local techniques for adaptive ductile phase-field fracture

F Aldakheel, N Noii, T Wick, O Allix… - Computer Methods in …, 2021 - Elsevier
This paper outlines a rigorous variational-based multilevel Global–Local formulation for
ductile fracture. Here, a phase-field formulation is used to resolve failure mechanisms by …

Non-negative moment fitting quadrature for cut finite elements and cells undergoing large deformations

W Garhuom, A Düster - Computational Mechanics, 2022 - Springer
Fictitious domain methods, such as the finite cell method, simplify the discretization of a
domain significantly. This is because the mesh does not need to conform to the domain of …

A novel phase‐field approach to brittle damage mechanics of gradient metamaterials combining action formalism and history variable

BE Abali, A Klunker, E Barchiesi… - ZAMM‐Journal of …, 2021 - Wiley Online Library
Metamaterials response is generally modeled by generalized continuum based theories.
Their inherent substructure leads to a necessity for higher‐order theories, and especially in …

Vanquishing volumetric locking in quadratic NURBS-based discretizations of nearly-incompressible linear elasticity: CAS elements

H Casquero, M Golestanian - Computational Mechanics, 2024 - Springer
Quadratic NURBS-based discretizations of the Galerkin method suffer from volumetric
locking when applied to nearly-incompressible linear elasticity. Volumetric locking causes …