A comparative review of XFEM, mixed FEM and phase-field models for quasi-brittle cracking

M Cervera, GB Barbat, M Chiumenti, JY Wu - Archives of Computational …, 2022 - Springer
In this work, a critical comparison between three different numerical approaches for the
computational modelling of quasi-brittle structural failure is presented. Among the many …

Cracking elements: A self-propagating strong discontinuity embedded approach for quasi-brittle fracture

Y Zhang, X Zhuang - Finite Elements in Analysis and Design, 2018 - Elsevier
In this paper, we present a self-propagating Strong Discontinuity embedded Approach
(SDA) for quasi-brittle fracture. The method is based on the Statically Optimal Symmetric …

Combination of an adaptive remeshing technique with a coupled FEM–DEM approach for analysis of crack propagation problems

A Cornejo, V Mataix, F Zárate, E Oñate - Computational particle mechanics, 2020 - Springer
This paper presents an enhanced coupled approach between the finite element method
(FEM) and the discrete element method (DEM) in which an adaptive remeshing technique …

Enhanced friction model for Friction Stir Welding (FSW) analysis: Simulation and experimental validation

N Dialami, M Chiumenti, M Cervera, A Segatori… - International Journal of …, 2017 - Elsevier
Friction is one of the main heat generation mechanisms in Friction Stir Welding (FSW). This
phenomenon occurs between the pin and the workpiece as the rotating tool moves along …

Mixed stabilized finite element methods in nonlinear solid mechanics: Part I: Formulation

M Cervera, M Chiumenti, R Codina - Computer Methods in Applied …, 2010 - Elsevier
This paper exploits the concept of stabilized finite element methods to formulate stable
mixed stress/displacement and strain/displacement finite elements for the solution of …

Variational approximate for high order bending analysis of laminated composite plates

E Madenci, A Özütok - Structural Engineering and Mechanics, An Int'l …, 2020 - dbpia.co.kr
This study presents a 4 node, 11 DOF/node plate element based on higher order shear
deformation theory for lamina composite plates. The theory accounts for parabolic …

A simple, stable, and accurate linear tetrahedral finite element for transient, nearly, and fully incompressible solid dynamics: a dynamic variational multiscale approach

G Scovazzi, B Carnes, X Zeng… - International Journal for …, 2016 - Wiley Online Library
We propose a new approach for the stabilization of linear tetrahedral finite elements in the
case of nearly incompressible transient solid dynamics computations. Our method is based …

Continuum damage model for orthotropic materials: Application to masonry

L Pelà, M Cervera, P Roca - Computer Methods in Applied Mechanics and …, 2011 - Elsevier
This paper contributes to the formulation of continuum damage models for orthotropic
materials under plane stress conditions. Two stress transformation tensors, related to tensile …

[HTML][HTML] A novel positive/negative projection in energy norm for the damage modeling of quasi-brittle solids

JY Wu, M Cervera - International Journal of Solids and Structures, 2018 - Elsevier
The asymmetric tensile/compressive material behavior and microcracks closure-reopening
(MCR) effects exhibited by quasi-brittle solids are of significant importance to the nonlinear …

An edge‐based strain smoothing particle finite element method for large deformation problems in geotechnical engineering

YF Jin, WH Yuan, ZY Yin… - International Journal for …, 2020 - Wiley Online Library
To solve large deformation geotechnical problems, a novel strain‐smoothed particle finite
element method (SPFEM) is proposed that incorporates a simple and effective edge‐based …