News

Paper Accepted: Linear smoothed polygonal and polyhedral finite elements

Paper Accepted for Publication in International Journal for Numerical Methods in Engineering A. Francis, A. Ortiz-Bernardin, SPA. Bordas, S. Natarajan, “Linear smoothed polygonal and polyhedral finite elements.” ABSTRACT It was observed in [1, 2] that the strain smoothing technique over higher order elements and arbitrary polytopes yields less accurate solutions than other techniques such as…

Read More »

Tenure-Track Faculty Position in Mechanical Engineering at University of Chile

The Department of Mechanical Engineering (http://www.dimec.uchile.cl/) at University of Chile invites applications for one full time tenure-track faculty position in Mechanical Engineering. Applicants must have deep interest in undergraduate and graduate teaching, as well as the purpose to conduct long-term, externally funded research programs at international level. Candidates are also expected to maintain fruitful work…

Read More »

Paper Accepted: A finite element analysis of some boundary value problems for a new type of constitutive relation for elastic bodies

Paper Accepted for Publication in Acta Mechanica S. Montero, R. Bustamante, A. Ortiz-Bernardin, “A finite element analysis of some boundary value problems for a new type of constitutive relation for elastic bodies.” ABSTRACT Recently, there has been interest in the study of a new class of constitutive relation, wherein the linearized strain tensor is assumed…

Read More »

Robust Meshfree Methods for Solid Mechanics Simulations

A talk given by A. Ortiz-Bernardin at the Encuentro de Elasticidad No Lineal, Homogenización y Fractura, June 23 – 24, 2015, Santiago, Chile. Robust Meshfree Methods for Solid Mechanics Simulations Alejandro Ortiz-Bernardin Department of Mechanical Engineering Universidad de Chile Av. Beauchef 851, Santiago, 8370456, Chile aortizb@ing.uchile.cl https://camlab.cl/people/camlab/alejandro/ ABSTRACT In this talk, I will present recent developments in meshfree…

Read More »

Paper Accepted: Improved robustness for nearly-incompressible large deformation meshfree simulations on Delaunay tessellations

Paper Accepted for Publication in Computer Methods in Applied Mechanics and Engineering A. Ortiz-Bernardin, M.A. Puso, N. Sukumar, “Improved robustness for nearly-incompressible large deformation meshfree simulations on Delaunay tessellations.” ABSTRACT A displacement-based Galerkin meshfree method for large deformation analysis of nearly-incompressible elastic solids is presented. Nodal discretization of the domain is defined by a Delaunay…

Read More »