- Tytuł:
- Research of the dynamic properties of structures the models of interpretation
- Autorzy:
- Wiśniowski, W.
- Powiązania:
- https://bibliotekanauki.pl/articles/243504.pdf
- Data publikacji:
- 2008
- Wydawca:
- Instytut Techniczny Wojsk Lotniczych
- Tematy:
-
transport
aviation
vibration
structure testing
resonance analysis
modal analysis - Opis:
- Experimental research of the dynamic properties of structures is performed during of prototype perfectioning, current exploitation and even after the withdrawal from the exploitation for the estimation of the residual durabilities. The aim for research of the dynamic properties of structures is the assurance of its safety, reliability, economic management and comfort. Researcher records the amplitudes of vibrations in the function of the actuation frequencies. Local raise of the amplitude is qualified as resonance. From the researcher point of view, the shape of resonance curves justifies the discrimination of two types of phenomena's: „single resonance" and „close frequencies resonance". For better understanding of these occurrences „the models of interpretation" were proposed. Up to three models of interpretation were assigned to the single resonance: one-degree-of-freedom system, one-degree-of-freedom system with share of the backlashes, two one-degree-of-freedom systems with the same frequencies. From above reasoning, the conclusion results that researcher can expect that the preliminary isolated single resonance belongs to one from the three, mentioned above cases. The judgment of these occurrences, just as the disentanglement of relations in the resonance pair with close frequencies, determines next challenge for the researcher.
- Źródło:
-
Journal of KONES; 2008, 15, 3; 561-565
1231-4005
2354-0133 - Pojawia się w:
- Journal of KONES
- Dostawca treści:
- Biblioteka Nauki
Artykuł