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Proceedings Paper

Finite element analysis of the working accuracy of length standards
Author(s): Wei Li; F. R. Hall; E. J. Davis; Kenneth J. Stout
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Paper Abstract

A study of the working accuracy of length standards is presented in this paper. The relevant formulae are presented and Finite Element (FE) analysis is used to model the effects of thermal gradients the variation of point support position and the effect of a moving load on the deflection and geometry of a length bar. The influence of temperature gradient on the calibration accuracy of length bars is assessed and the best support position to give minimal slope when there exits a temperature gradient is given Some important conclusions are reached and proposed future work is discussed.

Paper Details

Date Published: 22 September 1993
PDF: 11 pages
Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); doi: 10.1117/12.156491
Show Author Affiliations
Wei Li, Univ. of Birmingham (United Kingdom)
F. R. Hall, Univ. of Birmingham (United Kingdom)
E. J. Davis, Univ. of Birmingham (United Kingdom)
Kenneth J. Stout, Univ. of Birmingham (United Kingdom)


Published in SPIE Proceedings Vol. 2101:
Measurement Technology and Intelligent Instruments

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