Mesh sensitivity in discrete element simulation of flexible protection structures

Marco Previtali (Lead / Corresponding author), Matteo Ciantia, Riccardo Castellanza, Giovanni Crosta

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Abstract

The Discrete Element Method (DEM) has been employed in recent years to simulate flexible protection structures undergoing dynamic loading due to its inherent aptitude for dealing with inertial effects and large deformations. The individual structural elements are discretized with an arbitrary number of discrete elements, connected by spring-like remote interactions. In this work, we implement this approach using the parallel bond contact model and compare the numerical results at different discretization intervals with the analytical solutions of classical beam theory. Successively, we use the same model to simulate the punching test of a steel wire mesh and quantify the influence of a different number of elements on the macroscopic response.
Original languageEnglish
Title of host publicationProceedings of the 2020 Annual Conference of the UK Association for Computational Mechanics (UKACM)
Place of PublicationUnited Kingdom
PublisherLoughborough University
Number of pages4
DOIs
Publication statusPublished - 9 Apr 2020

Keywords

  • Mesh sensitivity
  • Discrete Element Method
  • Remote Interactions
  • Flexible Protection System

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    Previtali, M., Ciantia, M., Castellanza, R., & Crosta, G. (2020). Mesh sensitivity in discrete element simulation of flexible protection structures. In Proceedings of the 2020 Annual Conference of the UK Association for Computational Mechanics (UKACM) Loughborough University. https://doi.org/10.17028/rd.lboro.12102534.v1