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The dynamic analysis of suspended cable due to a sliding body (CROSBI ID 665745)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Sedlar, Damir ; Lozina, Zeljan ; Tomac, Ivan The dynamic analysis of suspended cable due to a sliding body // 14th International Conference on Vibration Engineering and Technology of Machinery / Maia, Nuno ; Dimitrova, Zuzana (ur.). Lisabon, 2018. str. 106-106

Podaci o odgovornosti

Sedlar, Damir ; Lozina, Zeljan ; Tomac, Ivan

engleski

The dynamic analysis of suspended cable due to a sliding body

In this study the dynamic behaviour of suspension cable under sliding body was investigated. The cable is modelled using isogeometric approach [1]. Compared with finite element method (FEM), isogeometric analysis (IGA) uses a different mathematical description of the geometry which enables it to preserve the exact geometry which is especially important for complex structures such as cable structure. The sliding body is modelled as physical elastic pendulum whose pivot slides along the cable. The Lagrangian formulation and isogeometric analysis method were used to derive the system matrices. Two sets of equations of motion are obtained, which are nonlinear and coupled together in a model described by a system of differential algebraic equations (DAE). The main source of nonlinearity are large displacements. This geometrical nonlinearity requires using second Piola-Kirchoff stress and Green-Lagrangian strain. The natural frequencies and mode shapes of the suspended cable are determined. The sliding body induces dynamic responses of suspended cable which were obtained using Newmark integration method incorporated with Newton-Raphson iteration technique. The calculation and obtained results are discussed in details.

Isogeometric analysis ; Nonlinear dynamic, cable

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Podaci o prilogu

106-106.

2018.

objavljeno

Podaci o matičnoj publikaciji

14th International Conference on Vibration Engineering and Technology of Machinery

Maia, Nuno ; Dimitrova, Zuzana

Lisabon:

Podaci o skupu

The 14th International Conference on Vibration Engineering and Technology of Machinery (VETOMAC XIV)

predavanje

10.09.2018-13.09.2018

Lisabon, Portugal

Povezanost rada

Interdisciplinarne tehničke znanosti, Matematika, Računarstvo, Strojarstvo, Temeljne tehničke znanosti