Karan E. Prediction service life of aviation constructions with multiple-site damage

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0416U002244

Thesis Registration Form

0416U002244.pdf

Applicant for

Specialization

  • 05.07.02 - Проектування, виробництво та випробування літальних апаратів

12-05-2016

Specialized Academic Board

Д 26.062.06

National Aviation University

Essay

The thesis is devoted to development of the method prediction service life of aviation constructions with multiple-site damage based on numerical simulation Monte-Carlo. The method of cyclical testing of flat specimens with multiple stress concentrators in the form of holes and method of continuous recording and measurement of the fatigue cracks on the sample in the process of loading. A coefficients equation Paris for fatigue cracks in the tested samples and found the relationship between the coefficients C and m Paris equation and defined statistical indicators for data values of coefficients. Developed an empirical model of the kinetics of fatigue crack. Based on experimental data, mathematical model, appropriate algorithms and software.

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