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Refinement and Scaling Effects on Peridynamic Numerical Solutions

[+] Author Affiliations
Daniele Dipasquale, Giulia Sarego, Mirco Zaccariotto, Ugo Galvanetto

University of Padova, Padua, Italy

Erkan Oterkus

University of Strathclyde, Glasgow, UK

Paper No. IMECE2016-67317, pp. V001T03A045; 7 pages
doi:10.1115/IMECE2016-67317
From:
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5051-0
  • Copyright © 2016 by ASME

abstract

One of the most common methods to implement peridynamics numerically is based on the discretization of the whole body by means of a structured and regular grid of nodes and a constant horizon size. That leads to an inefficient use of computational resources as well as to the impossibility to explore the multi-scale capabilities of peridynamics within a unique framework. Adaptive grid refinement and scaling seem to be a promising strategy to reduce those limitations, allowing to increase the resolution of the analysis and to reach the interested length-scale only in the desired regions. The application of such an approach in the peridynamic solutions requires certainly to be investigated, in particular, this is done by the comparison of numerical peridynamic solutions with the analytical solutions of classic linear elasticity theory.

Copyright © 2016 by ASME

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