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- Article name
- The mathematical model creation of polymer composite materials airframes damageability at shock infuence
- Authors
- SMOTROVA S. A., , svetlana.smotrova@tsagi.ru, Central Aerohydrodynamic Institute named after professor N. E. Zhukovsky, Moscow, Russia
SMOTROV A. V., , andrey.smotrov@tsagi.ru, Central Aerohydrodynamic Institute named after professor N. E. Zhukovsky, Moscow, Russia
GARIFULLIN M. F., , svetlana.smotrova@tsagi.ru, Central Aerohydrodynamic Institute named after N. E. Zhukovsky, Moscow, Russia
- Keywords
- polymer composite materials (PCM) / aircrafts / normalized shock / damage size / correlatively-regression analysis / mathematical model
- Year
- 2020 Issue 3 Pages 9 - 13
- Code EDN
- Code DOI
- Abstract
- Mathematical models of carbon- and fibreglass samples damageability depending on energy of influence are created. Models are created on the basis of the correlatively-regression analysis of the experimental results of nondestructive testing. Damageability was estimated on the damage sizes of carbon- and fibreglass samples caused by the normalized impacts. Correlatively-regression model for carbon plastics is described by parabolic associations, for fiberglass plastics - simple equations. Coefficients of correlation and determination showed satisfactory quality of the created models.
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