Xiong, J.J. and Shenoi, R.A.
Single-point likelihood method to determine a generalized S-N surface
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 220, (10), . (doi:10.1243/09544062JMES127).
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This paper outlines a new technique to address the paucity of data in determining a generalized S-N surface based on fatigue reliability design. A new single-point likelihood method (SPLM) is presented for estimating a P-S-N curve, dealing with small sample numbers of data. A confidence level formula for P-S-N curve estimated by SPLM is also given. The concepts are then applied for the determination of a generalized S-N surface. Finally, contrast tests for the P-S-N curve are conducted to examine the presented method, demonstrating the practical and economic use of the proposed technique. It is shown from the results that the P-S-N curve can be obtained realistically using small sample numbers and that the required number of test specimens in this case is less than those for the conventional method.
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