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Peridynamics Using Irregular Domain Discretization With MOOSE-Based Implementation

[+] Author Affiliations
Hailong Chen, Benjamin W. Spencer

Idaho National Laboratory, Idaho Falls, ID

Yile Hu

University of Arizona, Tucson, AZ

Paper No. IMECE2017-71527, pp. V009T12A067; 6 pages
  • ASME 2017 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Structural Health Monitoring and Prognosis
  • Tampa, Florida, USA, November 3–9, 2017
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5844-8
  • Copyright © 2017 by ASME


In this paper, reformulation of classical bond-based peridynamic thermomechanical model for irregular domain decomposition and its MOOSE-based implicit formulation are presented. First, the irregular grid based peridynamic thermomechanical model is formulated and model parameters are derived. Following this, an implicit formulation for the solution of static or quasi-static problems is presented. Some aspects of the MOOSE-based implementation are given. After that, the formulation is verified against benchmark solutions for thermomechanic problems. Crack initiation and propagation in circular (2D) and cylindrical (3D) nuclear fuels at high temperature are studied using irregular grids.

Copyright © 2017 by ASME



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