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RESONANCE OF A ROTARY MACHINE SUPPORT BEAM CONSIDERING GEOMETRIC STIFFNESS

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Autor(es):
Wahrhaftig, Alexandre M. ; Brasil, Reyolando M. L. R. F. ; Groba, Thiago B. ; Rocha, Lauro M. L. ; Balthazar, Jose M. ; Nascimento, Lazaro S. M. S. C.
Número total de Autores: 6
Tipo de documento: Artigo Científico
Fonte: Journal of Theoretical and Applied Mechanics; v. 58, n. 4, p. 13-pg., 2020-01-01.
Resumo

The effects of axial compressive forces on free vibration frequencies of rotating machine support beams are investigated taking into account their geometric stiffness. One class of structures that has economic and strategic importance is the base of machines, which is excited by vibrations induced by the supported equipment. These vibrations can affect the structures or, more generally, may generate damage to the supported equipment and the quality of production. They may also render human working conditions difficult. In the current work, these effects are studied via mathematical modeling, numerical simulation and experimental evaluation. (AU)

Processo FAPESP: 17/06076-0 - Estudo experimental e numérico sobre a não linearidade geométrica em vibrações de estruturas de suporte de máquinas rotativas
Beneficiário:Reyolando Manoel Lopes Rebello da Fonseca Brasil
Modalidade de apoio: Auxílio à Pesquisa - Regular