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http://dx.doi.org/10.7315/CADCAM.2012.324

Simulation of Contacts Between Wire Rope and Shell Plate of a Block for Shipbuilding Industry based on Multibody Dynamics  

Jo, A-Ra (Central Research Institute of Daewoo Shipbuilding & Marine Engineering Co., Ltd.)
Ku, Nam-Kug (Marine Technology Education and Research Center, Seoul Nat'l University)
Cha, Ju-Hwan (Department of Ocean Engineering, Mokpo Nat'l University)
Park, Kwang-Phil (Central Research Institute of Daewoo Shipbuilding & Marine Engineering Co., Ltd.)
Lee, Kyu-Yeul (Department of Naval Architecture and Ocean Engineering, Seoul Nat'l University)
Publication Information
Korean Journal of Computational Design and Engineering / v.17, no.5, 2012 , pp. 324-332 More about this Journal
Abstract
In this paper, a method for calculating the contact force and the frictional force caused by contacts between the wire rope and the rigid body is introduced based on multibody dynamics. And the method is applied to a simulation of contacts between the wire rope and the shell plate of a block that can occur during shipbuilding. The wire rope is composed of a number of lumped masses and the wire rope segments that connect the masses. After calculating the position of interference, we inserted a contact node into the wire rope. We then derived the equations of motion of the wire rope and the rigid body using augmented formulation based on multibody dynamics taking into account the constraints between the contact node and the rigid body. Using the equations, we were able to obtain the constraint force between the contact node and the rigid body, and calculate the contact force and the frictional force, based on which the position of the contact node was corrected. Finally, we applied our results to perform simulation of contacts between the wire rope and the shell plate of a block in order to verify the efficacy of the method proposed in this paper.
Keywords
Augmented formulation; Contact force; Multibody dynamics; Wire rope;
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