Volume 34, Number 2 (1-2016)                   JCME 2016, 34(2): 13-36 | Back to browse issues page



DOI: 10.18869/acadpub.jcme.34.2.13

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Yari E, Ghassemi H. Free and Forced Vibrations of a Shaft and Propeller Using the Couple of Finite Volume Method, Boundary Element Method and Finite Element Method . JCME. 2016; 34 (2) :13-36
URL: http://jcme.iut.ac.ir/article-1-582-en.html

1- , gasemi@aut.ac.ir
Abstract:   (230 Views)

The main objective of this paper is to provide an applied algorithm for analyzing propeller-shaft vibrations in marine vessels. Firstly an underwater marine vehicle has been analyzed at different speed in unsteady condition using the finite volume method. Based on the results of this analysis, flow field of marine vehicle (wake of stern) and velocity inlet to the marine propeller  is extracted at different times. Propeller inlet flow field is applied in the boundary element code and using this code, marine propeller has been analyzed in unsteady state. In continue, main / lateral forces and moments over the propeller are extracted. Then the data obtained from the boundary element code alongwith exact geometry of the propeller and shaft have been studied, using finite element code. Natural and forced frequency of the propeller have been determined in various modes of vibration. According to obtained data from Finite Element Method (FEM) numerical analysis, maximum displacement of propeller is for displacement of the propeller tip in forced vibration state

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Type of Study: Research | Subject: General
Received: 2016/06/17 | Accepted: 2016/06/17 | Published: 2016/06/17

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