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Technical Briefs

On the Precision and Complexity of Numerical Contact Calculations

[+] Author and Article Information
A. A. Lubrecht

 Université de Lyon, INSA-Lyon, INSA-Lyon, LaMCoS, CNRS UMR 5259, Villeurbanne F69621, France

J. Tribol 133(3), 034503 (Jul 21, 2011) (2 pages) doi:10.1115/1.4002334 History: Received May 26, 2010; Revised July 27, 2010; Published July 21, 2011; Online July 21, 2011

Abstract

The current paper analyses the complexity and precision of FEM calculations in 2 dimensional solid mechanics. The work shows that both grid refinement and domain enlargement are required to increase precision.

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Copyright © 2011 by American Society of Mechanical Engineers
Topics: Errors
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References

Figures

Grahic Jump Location
Figure 1

A simple grid structure (a=4,nx=8,nz=4)

Grahic Jump Location
Figure 2

A more efficient grid structure (a0=8,n0=8)

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