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Empirical Formulae for the Determination of Stress Curves

Published online by Cambridge University Press:  28 July 2016

A. C. Nicholls
A. C. Nicholls*
Affiliation:
Structures Department, Bristol Aeroplane Co.
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Extract

In the analytical presentation of curves the main requirements perhaps are those of accuracy and simplicity and the problem confronting the engineer is the efficient combination of the two. A further important consideration is that of the range over which the empirical formula (or formulae in some cases) is to be effective, for clearly the greater this range is, the more useful will be the formula.

It is obviously desirable that any equation that is chosen should be as close a fit as possible to the practical curve. It must not be sensitive to small parametric differences and it should be possible to determine these parameters with a fair degree of precision.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 58 , Issue 526 , October 1954 , pp. 724 - 727
Copyright
Copyright © Royal Aeronautical Society 1954

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References

1. Osgood, W. R. (1946). Stress-Strain Formulas. Journal Aeronautical Sciences, January 1946.CrossRefGoogle Scholar
2. Barrett, A. J., (1953). The Bending of Some Common Beam Sections into the Plastic Range. Journal of the Royal Aeronautical Society. February 1953.CrossRefGoogle Scholar
3. Structures Data Sheets Nos. 00.02.01-.03 of the Royal Aeronautical Society.Google Scholar
4. Kay, G. H. E.D.L. Test Report No. 56/1. (Internal report of the Bristol Aeroplane Company.)Google Scholar