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Elastic-Plastic and Frature Analysis of Mobile Phones Using SPH

[+] Author Affiliations
Nobuki Yamagata

Advanced Creative Technology Company, Ltd., Tokyo, Japan

Yuzuru Sakai

Yokohama National University, Yokohama, Japan

Pedro Marcal

MPAVE Corporation

Paper No. PVP2006-ICPVT-11-93614, pp. 545-549; 5 pages
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 2: Computer Technology
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4753-5 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME


Smoothed Particle Hydrodynamics (SPH) was invented by Lucy[1], Monaghan and Gingold [2] for gas dynamics problems in astrophysics and extended to treat solid continua in this decade[3]]. The SPH technique uses no underlying grid — it is a pure Lagrangian particle method. The absence of a mesh and the calculation of interactions among particles based on their separation alone that large deformations can be computed without difficulty. It is for this reason that SPH has the potential to be a valuable computational tool. In this paper we have been using the SPH algorithm to compute the structural analysis of the mobile phones without mesh data. Using the visualization software MPAVE the particle distributions for the mobile phone could be easily produced in 3 dimensions and the elastic-plastic analysis and the fracture analysis have been performed effectively. The results show the possibility for practical use of a particle method to 3 dimensional structural analysis of the usual industrial products.

Copyright © 2006 by ASME



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