2016
EMSS 2016 Proceeding
Discrete event simulation to improve cutting-welding workshop in a shipyard
Authors: M. Rouco-Couzo, D. Crespo-Pereira, A. Garcia-del-Valle, M. Cebral-Fernandez, R. Rios-Prado
Abstract
The Cutting-Welding workshop is the first step of a shipbuilding process where the basic structural elements of the ship are fabricated. It is a fairly automated process where the main operations can be automated using robots. However, the geometrical diversity of the elements produced cause challenges from an operations management point of view since the throughput rates change and depend on the ship and the block types. Modelling and Simulation provides a practical methodology for analyzing and optimizing this workshop. This paper describes the development, validation and initial results of a discrete events simulation model of a Cutting-Welding workshop. It is intended to assist in the planning phase of a new ship, particularly focused on the capacity design of this workshop. Its applicability has been tested on a realistic scenario based on an existing shipyard with the aim of evaluating the accuracy of the model. Preliminary results show that the proposed simulation framework can be successfully applied to process planning in shipbuilding providing improvements in terms of time and costs.
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