A nodal-based Lagrange multiplier/cohesive zone approach for three-dimensional dynamic crack simulations of quasi-brittle materials
Accurate simulations of cracks remain a challenging task in the computational mechanics
community. The main purpose of this work is to develop a nodal-based Lagrange …
community. The main purpose of this work is to develop a nodal-based Lagrange …
Energy-based physics-informed neural network for frictionless contact problems under large deformation
Numerical methods for contact mechanics are of great importance in engineering
applications, enabling the prediction and analysis of complex surface interactions under …
applications, enabling the prediction and analysis of complex surface interactions under …
Modeling of interfacial multi-cracks in dissimilar laminated structures using a nodal-based Lagrange multiplier/cohesive zone approach
Recent decades have witnessed a growing interest in simulating interfacial debonding in
laminated structures using cohesive zone (CZ)-based algorithms. In the present work, we …
laminated structures using cohesive zone (CZ)-based algorithms. In the present work, we …
[HTML][HTML] A general class of enriched methods for the simplicial linear finite elements
Low-order elements are widely used and preferred for finite element analysis, specifically
the three-node triangular and four-node tetrahedral elements, both based on linear …
the three-node triangular and four-node tetrahedral elements, both based on linear …
[HTML][HTML] The discontinuity-enriched finite element method for multiple intersecting discontinuities
Abstract We extend the Discontinuity-Enriched Finite Element Method (DE-FEM) to simulate
intersecting discontinuities, such as those encountered in polycrystalline materials, multi …
intersecting discontinuities, such as those encountered in polycrystalline materials, multi …
[HTML][HTML] Fully decoupling geometry from discretization in the Bloch–Floquet finite element analysis of phononic crystals
SJ van den Boom, F van Keulen, AM Aragón - Computer Methods in …, 2021 - Elsevier
An immersed enriched finite element method is proposed for the analysis of phononic
crystals (PnCs) with finite element (FE) meshes that are completely decoupled from …
crystals (PnCs) with finite element (FE) meshes that are completely decoupled from …
A coupled FETI-BDNM for solving 3D elastic frictional contact problem
H Gao, Z Hu, Z Yin, G Lin - European Journal of Mechanics-A/Solids, 2023 - Elsevier
Based on the B-differentiable Newton method (BDNM) and finite element tearing and
interconnecting (FETI) algorithm, a coupled approach named FETI-BDNM is developed to …
interconnecting (FETI) algorithm, a coupled approach named FETI-BDNM is developed to …
[HTML][HTML] A Discontinuity-Enriched Finite Element Method (DE-FEM) for modeling quasi-static fracture growth in brittle solids
Enriched finite element methods (e-FEMs) have become a popular choice for modeling
problems containing material discontinuities (eg, multi-phase materials and fracture). The …
problems containing material discontinuities (eg, multi-phase materials and fracture). The …
Physics-based numerical implementation framework towards multi-scale contact problem
This paper establishes a general computational framework to solve the muti-scale contact
problem by integrating the statistical contact model with the finite element format. Compared …
problem by integrating the statistical contact model with the finite element format. Compared …
A multi-point constraint unfitted finite element method
BL Freeman - Advanced Modeling and Simulation in Engineering …, 2022 - Springer
In this work a multi-point constraint unfitted finite element method for the solution of the
Poisson equation is presented. Key features of the approach are the strong enforcement of …
Poisson equation is presented. Key features of the approach are the strong enforcement of …