Log-periodic time-to-failure analysis

Didier Sornette

doi:10.1117/12.339885

28 January 1999 Log-periodic time-to-failure analysis

Didier Sornette

Proceedings Volume 3586, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware III; (1999) https://doi.org/10.1117/12.339885
Event: Nondestructive Evaluation Techniques for Aging Infrastructures and Manufacturing, 1999, Newport Beach, CA, United States

Abstract

We propose that heterogeneous systems fail by exhibiting a critical behavior, characterized by the presence of log- periodic patterns. This prediction has been tested extensively during our continuing collaboration with the French Aerospace company Aerospatial on gas pressure tanks embarked on the European Ariane rockets. Our theory was applied to about 50 pressure-tanks and the results indicate that a precision of a few percent in the determination of the stress at rupture. This non-destructive evaluation technique is now used routinely in the qualifying procedure of the industrial fabrication process. We provide an introduction to the underlying theory, the physical mechanisms, as well as to generalization to other systems.

Citation Download Citation

Didier Sornette "Log-periodic time-to-failure analysis", Proc. SPIE 3586, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware III, (28 January 1999); https://doi.org/10.1117/12.339885

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