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http://dx.doi.org/10.3795/KSME-A.2010.34.4.501

Numerical Analysis for Nonlinear Static and Dynamic Responses of Floating Crane with Elastic Boom  

Cha, Ju-Hwan (Seoul Nat'l University Engineering Research Institute)
Park, Kwang-Phil (Ship & Ocean R&D Institute, Daewoo Shipbuilding & Marine Engineering)
Lee, Kyu-Yeul (Dept. of Naval Architecture and Ocean Engineering, Seoul Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.34, no.4, 2010 , pp. 501-509 More about this Journal
Abstract
A floating crane is a crane-mounted ship and is used to assemble or to transport heavy blocks in shipyards. In this paper, the static and dynamic response of a floating crane and a heavy block that are connected using elastic booms and wire ropes are described. The static and dynamic equations of surge, pitch, and heave for the system are derived on the basis of flexible multibody system dynamics. The equations of motion are fully coupled and highly nonlinear since they involve nonlinear mass matrices, elastic stiffness matrices, quadratic velocity vectors, and generalized external forces. A floating frame of reference and nodal coordinates are employed to model the boom as a flexible body. The nonlinear hydrostatic force, linear hydrodynamic force, wire-rope force, and mooring force are considered as the external forces. For numerical analysis, the Hilber-Hughes-Taylor method for implicit integration is used. The dynamic responses of the cargo are analyzed with respect to the results obtained by static and numerical analyses.
Keywords
Dynamic Response; Elastic Boom; Floating Crane; Numerical Analysis; Static Response;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 1
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