activity
20152026
most citedA machine learning based plasticity model using proper orthogonal decomposition

191 citations · 697 across the 13 of their papers we have counts for

collaborators

16 papers

math.NA2026

A robust mixed finite element formulation for third medium contact

M. Vorwerk, J. Schröder, P. Wriggers

Third medium contact provides a smooth continuum alternative to classical contact algorithms by replacing explicit contact constraints with a highly compliant fictitious medium. In…

cs.CE2022★ 1 cited

Parallel Multiphysics Simulation for the Stabilized Optimal Transportation Meshfree (OTM)

Sandeep Kumar, Pierre Gosselet, Dengpeng Huang +2

This paper presents a parallel \PG{implementation} for the Optimal Transportation Meshfree (OTM) method on large CPU clusters. Communications are handled with the Message Passing I…

math.NA2021

Bayesian inversion for unified ductile phase-field fracture

Nima Noii, Amirreza Khodadadian, Jacinto Ulloa +4

The prediction of crack initiation and propagation in ductile failure processes are challenging tasks for the design and fabrication of metallic materials and structures on a large…

stat.ML2021★ 66 cited

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

Jan Niklas Fuhg, Christoph Boehm, Nikolaos Bouklas +3

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…

math.NA2021★ 52 cited

Multilevel Global-Local techniques for adaptive ductile phase-field fracture

Fadi Aldakheel, Nima Noii, Thomas Wick +2

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…

cs.CE2020

A matrix-free isogeometric Galerkin method for Karhunen-Loève approximation of random fields using tensor product splines, tensor contraction and interpolation based quadrature

Michal Lukasz Mika, Thomas Joseph Robert Hughes, Dominik Schillinger +2

The Karhunen-Loève series expansion (KLE) decomposes a stochastic process into an infinite series of pairwise uncorrelated random variables and pairwise -orthogonal functions.…

cs.CE2020★ 17 cited

Electro-magneto-mechanically response of polycrystalline materials: Computational Homogenization via the Virtual Element Method

Christoph Böhm, Blaž Hudobivnik, Michele Marino +1

This work presents a study on the computational homogenization of electro-magneto-mechanically coupled problems through the Virtual Element Method (VEM). VE-approaches have great p…

math.NA2020★ 147 cited

The Neural Particle Method -- An Updated Lagrangian Physics Informed Neural Network for Computational Fluid Dynamics

Henning Wessels, Christian Weißenfels, Peter Wriggers

Numerical simulation is indispensable in industrial design processes. It can replace expensive experiments and even reduce the need for prototypes. While products designed with the…

math.NA2020

Virtual Element Formulation For Finite Strain Elastodynamics

M. Cihan, F. Aldakheel, B. Hudobivnik +1

This work provides an efficient virtual element scheme for the modeling of nonlinear elastodynamics undergoing large deformations. The virtual element method (VEM) has been applied…

math.NA2020

A global-local approach for hydraulic phase-field fracture in poroelastic media

Fadi Aldakheel, Nima Noii, Thomas Wick +1

In this work, phase-field modeling of hydraulic fractures in porous media is extended towards a global-local approach. Therein, the failure behavior is solely analyzed in a (small)…

cs.CE2020★ 191 cited

A machine learning based plasticity model using proper orthogonal decomposition

Dengpeng Huang, Jan Niklas Fuhg, Christian Weißenfels +1

Data-driven material models have many advantages over classical numerical approaches, such as the direct utilization of experimental data and the possibility to improve performance…

math.NA2019★ 101 cited

An Adaptive Global-Local Approach for Phase-Field Modeling of Anisotropic Brittle Fracture

Nima Noii, Fadi Aldakheel, Thomas Wick +1

This work addresses an efficient Global-Local approach supplemented with predictor-corrector adaptivity applied to anisotropic phase-field brittle fracture. The phase-field formula…

cs.CE2018★ 87 cited

A Virtual Element Method for 2D linear elastic fracture analysis

Vien Minh Nguyen-Thanh, Xiaoying Zhuang, Hung Nguyen-Xuan +2

This paper presents the Virtual Element Method (VEM) for the modeling of crack propagation in 2D within the context of linear elastic fracture mechanics (LEFM). By exploiting the a…

math.NA2017

Nonlinear discontinuous Petrov-Galerkin methods

Carsten Carstensen, Philipp Bringmann, Friederike Hellwig +1

The discontinuous Petrov-Galerkin method is a minimal residual method with broken test spaces and is introduced for a nonlinear model problem in this paper. Its lowest-order versio…

cond-mat.mtrl-sci2016★ 35 cited

Node-to-segment and node-to-surface interface finite elements for fracture mechanics

M. Paggi, P. Wriggers

The topologies of existing interface elements used to discretize cohesive cracks are such that they can be used to compute the relative displacements (displacement discontinuities)…

cond-mat.mtrl-sci2015

Computational and theoretical aspects of a grain-boundary model that accounts for grain misorientation and grain-boundary orientation

D. Gottschalk, A. McBride, B. D. Reddy +3

A detailed theoretical and numerical investigation of the infinitesimal single-crystal gradient plasticity and grain-boundary theory of Gurtin (2008) "A theory of grain boundaries…