Archives

A Node-Based Uniform Strain Virtual Element Method for Elastoplastic Solids

  • January 9, 2024
  • Comments off

A talk given by A. Ortiz-Bernardin at COMPLAS 2023, September 6, 2023, Barcelona, Spain. A NODE-BASED UNIFORM STRAIN VIRTUAL ELEMENT METHOD FOR ELASTOPLASTIC SOLIDS A. ORTIZ-BERNARDIN a and Edoardo Artioli b Abstract. This work presents our recent advances on developing the extension of the node-based uniform strain virtual element method (NVEM) [1] to elastoplastic applications.

Read More » Read More

A Node-Based Uniform Strain Virtual Element Method for Elastic and Inelastic Small Deformation Problems

  • December 16, 2022
  • Comments off

A talk given by A. Ortiz-Bernardin at CSFWGBC 2022, June 2, 2022, Ascona, Switzerland. A NODE-BASED UNIFORM STRAIN VIRTUAL ELEMENT METHOD FOR ELASTIC AND INELASTIC SMALL DEFORMATION PROBLEMS A. ORTIZ-BERNARDIN a Abstract. A combined nodal integration and virtual element method is presented for elastic and inelastic small deformation problems, wherein the strain is averaged at

Read More » Read More

A Meshfree Nodal Integration Method for Elastic and Elastoplastic Applications Using The Virtual Element Decomposition

  • December 23, 2019
  • Comments off

A talk given by A. Ortiz-Bernardin at COMPLAS 2019, September 3, 2019, Barcelona, Spain. A MESHFREE NODAL INTEGRATION METHOD FOR ELASTIC AND ELASTOPLASTIC APPLICATIONS USING THE VIRTUAL ELEMENT DECOMPOSITION A. ORTIZ-BERNARDIN a, E. ARTIOLI b, AND R. SILVA-VALENZUELA a Abstract. In meshfree Galerkin methods to solve partial differential equations, a cloud of nodes is used

Read More » Read More

The Virtual Element Decomposition: A New Paradigm for Developing Nodal Integration Schemes for Meshfree Galerkin Methods

  • January 24, 2019
  • Comments off

A talk given by A. Ortiz-Bernardin at WONAPDE 2019, January 22, 2019, Concepción, Chile. THE VIRTUAL ELEMENT DECOMPOSITION: A NEW PARADIGM FOR DEVELOPING NODAL INTEGRATION SCHEMES FOR MESHFREE GALERKIN METHODS R. SILVA-VALENZUELA a, A. ORTIZ-BERNARDIN a, N. SUKUMAR b AND E. ARTIOLI c Abstract. In meshfree Galerkin methods to solve partial differential equations, a cloud of nodes

Read More » Read More

El Método del Elemento Virtual: Teoría y Aplicaciones Usando la Librería VEMLab

  • January 23, 2019
  • Comments off

A talk given by A. Ortiz-Bernardin at JMC2018, October 5, 2018, Punta Arenas, Chile. EL MÉTODO DEL ELEMENTO VIRTUAL: TEORÍA Y APLICACIONES USANDO LA LIBRERÍA VEMLab Alejandro Ortiz-Bernardin*, Edgardo Olate-Sanzana* y Rodrigo Silva-Valenzuela* * Departamento de Ingeniería Mecánica – Universidad de Chile Av. Beauchef 851 – Santiago – CHILE RESUMEN En este trabajo, de carácter pedagógico,

Read More » Read More

Consistent and Stable Meshfree Galerkin Methods Using The Virtual Element Decomposition

  • July 23, 2017
  • Comments off

A talk given by A. Ortiz-Bernardin at POEMS 2017: Workshop on Polytopal Element Methods in Mathematics and Engineering, July 6, 2017, Milan, Italy. Consistent and Stable Meshfree Galerkin Methods Using The Virtual Element Decomposition   Alejandro Ortiz-Bernardin Department of Mechanical Engineering, University of Chile Av. Beauchef 851, Santiago, 8370456, Chile aortizb@ing.uchile.cl ABSTRACT In the numerical solution

Read More » Read More

Robust Meshfree Methods for Solid Mechanics Simulations

  • June 25, 2015
  • Comments off

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 » Read More

Consistent, Accurate, and Stable Meshfree Galerkin Methods Based on The Virtual Element Decomposition

  • May 9, 2015
  • Comments off

A talk given by A. Ortiz-Bernardin at the 1st Pan-American Congress on Computational Mechanics, April 27 – 29, 20145, Buenos Aires, Argentina. Consistent, Accurate, and Stable Meshfree Galerkin Methods Based on The Virtual Element Decomposition   Alejandro Ortiz-Bernardin*, Alessandro Russo†, Natarajan Sukumar‡ * Department of Mechanical Engineering, University of Chile Av. Beauchef 850, Santiago, 8370448, Chile

Read More » Read More

Meshfree Volume-Averaged Nodal Projection Method for Incompressible Media Problems

  • July 22, 2014
  • Comments off

A talk given by A. Ortiz-Bernardin at the 11th World Congress on Computational Mechanics, July 20 – 25, 2014, Barcelona, Spain 11th World Congress on Computational Mechanics (WCCM XI) 5th European Conference on Computational Mechanics (ECCM V) 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20 – 25, 2014, Barcelona, Spain Alejandro Ortiz-Bernardin¹,

Read More » Read More