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Periodic Properties of 1D FE Discrete Models in High Frequency Dynamics

Abstrakt

Finite element discrete models of various engineering 1D structures may be considered as structures of certain periodic characteristics. The source of this periodicity comes from the discontinuity of stress/strain field between the elements. This behaviour remains unnoticeable, when low frequency dynamics of these structures is investigated. At high frequency regimes, however, its influence may be strong enough to dominate calculated structural responses distorting or even falsifying them completely. In this paper, certain computational aspects of structural periodicity of 1D FE discrete models are discussed by the authors. In this discussion, the authors focus their attention on an exemplary problem of 1D rod modelled according to the elementary theory.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
MATHEMATICAL PROBLEMS IN ENGINEERING nr 2016, strony 1 - 15,
ISSN: 1024-123X
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Żak A., Krawczuk M., Palacz M.: Periodic Properties of 1D FE Discrete Models in High Frequency Dynamics// MATHEMATICAL PROBLEMS IN ENGINEERING. -Vol. 2016, (2016), s.1-15
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1155/2016/9651430
Weryfikacja:
Politechnika Gdańska

wyświetlono 92 razy

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