Hyperelastic polynomial models in plastics behaviour analyses

• Autorzy: Żach P
• Języki publikacji: EN

Abstrakty

EN

The issue of vibration damping occurs in many mechanical problems in the operation of various devices, in the automotive industry engineering, aerospace. In the case where damping by selection of the masses and dimensions is not possible due to various reasons or for other reasons it was abandoned, vibration dampers are used. Minimization of adverse impact of dynamic interaction effects is an important research and technical problem. Passive energy absorbers used today (complex of bumpers, passenger lifts buffers typically allows to the safe dissipation of energy within a certain range of loads. In the case of high-impact loading variability is desirable to use an adaptive energy absorption system capable of rapid change their dynamic characteristics. The main issue in the analysis of interactions impact of dynamic loads on objects is dispersion (dissipation) of kinetic energy during impact. In constructions of polymer composite structures the sources of energy dissipation are: matrix of polystructural viscoelasticity, morphology of material, defect of structure, thermoplastic and viscoplastic dumping. In construction of machines more and more often be practical used materials name hyper-elastic. To description of elastic proprieties it’s possible to use the worked out theories well in which the most important they are the multinomial models and them special coincidence: Mooney’s – Rivlin’s, Yeoh’s. In this paper, is presented numerical behaviour analyses materials with large deformation.

Słowa kluczowe

EN

incompressible materials; elastomers; oscillation; very large reversible deformations; vibration

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2013
• Tom: Vol. 20, No. 1
• Strony: 381--386
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Żach P

• Warsaw University of Technology Department of Materials Engineering Narbutta Street 84, 02-524 Warsaw, Poland tel.: [phone], fax: [phone]

Bibliografia

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