A comparative review of XFEM, mixed FEM and phase-field models for quasi-brittle cracking
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 …
computational modelling of quasi-brittle structural failure is presented. Among the many …
An accurate, adaptive and scalable parallel finite element framework for the part-scale thermo-mechanical analysis in metal additive manufacturing processes
This work introduces a distributed memory machine and octree-based Finite Element (FE)
framework for modeling metal Additive Manufacturing (AM) processes. In this sense, an …
framework for modeling metal Additive Manufacturing (AM) processes. In this sense, an …
[HTML][HTML] Stress–displacement stabilized finite element analysis of thin structures using solid-shell elements, Part I: On the need of interpolating the stresses
This work studies the solid-shell finite element approach to approximate thin structures using
a stabilized mixed displacement–stress formulation based on the Variational Multiscale …
a stabilized mixed displacement–stress formulation based on the Variational Multiscale …
Capturing the nonlocal effect using a novel hybrid 8-node plate element based on the Hellinger–Reissner variational principle
Abstract The Hellinger–Reissner variational principle based hybrid finite element method
(FEM) is developed and applied to study the nonlocal mechanics of plates and beams at a …
(FEM) is developed and applied to study the nonlocal mechanics of plates and beams at a …
Accurate thermal-induced structural failure analysis under incompressible conditions
In this work, the performance of the mixed 3-field displacement/deviatoric-strain/pressure
(u/e/p) finite element is examined for nonlinear thermo-mechanical structural applications …
(u/e/p) finite element is examined for nonlinear thermo-mechanical structural applications …
Objectivity in quasi-brittle structural failure via adaptive formulation and mesh refinement
In this work, the combined implementation of Adaptive Formulation Refinement (AFR) and
Adaptive Mesh Refinement (AMR) strategies is proposed for the efficient and mesh objective …
Adaptive Mesh Refinement (AMR) strategies is proposed for the efficient and mesh objective …
[HTML][HTML] Stress–displacement stabilized finite element analysis of thin structures using Solid-Shell elements, Part II: Finite strain hyperelasticity
This work is the second of a two-part research project focused on modeling solid-shell
elements using a stabilized two-field finite element formulation. The first part introduces a …
elements using a stabilized two-field finite element formulation. The first part introduces a …
Stress–displacement stabilized finite element analysis of thin structures using solid-shell elements. Part I: On the need of interpolating the stresses
A Aguirre Ruz, R Codina… - Finite elements in …, 2024 - upcommons.upc.edu
This work studies the solid-shell finite element approach to approximate thin structures using
a stabilized mixed displacement-stress formulation based on the Variational Multiscale …
a stabilized mixed displacement-stress formulation based on the Variational Multiscale …
Report on The Iberia Pilot Center
J Pons Prats, E Oñate Ibáñez de Navarra… - Ercoftac …, 2023 - upcommons.upc.edu
The Spanish Pilot Centre of ERCOFTAC composes of six members. The Center is
coordinated by Prof. Eugenio Oñate from the International Center for Numerical Methods in …
coordinated by Prof. Eugenio Oñate from the International Center for Numerical Methods in …
Numerical approximation of thin structures using stabilized mixed formulations for infinitesimal and finite strain theories, including fluid-structure interaction problem …
A Aguirre Ruz - 2024 - upcommons.upc.edu
(English) The theories of thin structures can be classified into two main branches depending
upon whether shear deformation in the transverse direction is taken into consideration or …
upon whether shear deformation in the transverse direction is taken into consideration or …