Comparison of Different Finite Element Models for the Simulation of the Ring-Ball on Ring Test

Barredo Egusquiza, Josu and Hermanns, Lutz Karl Heinz and Rey Llorente, Ignacio del and Fraile de Lerma, Alberto and Alarcón Álvarez, Enrique (2010). Comparison of Different Finite Element Models for the Simulation of the Ring-Ball on Ring Test. In: "10th International Conference on Computational Structures Technology", 14/09/2010 - 17/09/2010, Valencia, España. ISBN 9781905088362.

Description

Title: Comparison of Different Finite Element Models for the Simulation of the Ring-Ball on Ring Test
Author/s:
  • Barredo Egusquiza, Josu
  • Hermanns, Lutz Karl Heinz
  • Rey Llorente, Ignacio del
  • Fraile de Lerma, Alberto
  • Alarcón Álvarez, Enrique
Item Type: Presentation at Congress or Conference (Article)
Event Title: 10th International Conference on Computational Structures Technology
Event Dates: 14/09/2010 - 17/09/2010
Event Location: Valencia, España
Title of Book: Proceedings of the 10th International Conference on Computational Structures Technology
Date: 2010
ISBN: 9781905088362
Subjects:
Freetext Keywords: ball on ring test, monocrystalline silicon wafers, finite element model, shell elements, axisymmetry, solid elements, Weibull distribution, contact, anisotropy, large displacements.
Faculty: E.T.S.I. Industriales (UPM)
Department: Mecánica Estructural y Construcciones Industriales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Monocrystalline silicon wafers are widely used in photovoltaic industry. The trend towards thinner wafers leads to higher breakage rates in the production process. In this context, the characterization of the mechanical strength becomes necessary. Different fracture tests as the ring/ball on ring are carried out. This paper presents different ways to simulate these tests. Analytical methods are applied in a first step. Simplified FE models (with shell elements and an axisymmetric model) that take into account non linearities existing in the test are presented and a 3d solid model is detailed. Results in terms of calculation time, stress distribution, adjustment to the tests and fitting to a Weibull distribution are compared

More information

Item ID: 8049
DC Identifier: http://oa.upm.es/8049/
OAI Identifier: oai:oa.upm.es:8049
Official URL: http://www.civil-comp.com/conf/cst2010.htm
Deposited by: Memoria Investigacion
Deposited on: 19 Aug 2011 11:51
Last Modified: 20 Apr 2016 16:58
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