OPTIMAL DOCK BLOCK ARRANGEMENT CONSIDERING SUBSEQUENT SHIPS SOLVED BY GENETIC ALGORITHM

This paper presents an idea of making dock block arrangement for a series of ships by minim izing dock dry up times and block numbers. When ship moves out, dock is pumped dry to enable block arrangement for the next ship. However, this dry up operation can be removed if the block plan in the previous docking is properly arranged and covers the requirements of the next docking. The methodology described in this paper is based on the assumption that blocks are allowed to be adjusted when ship sits on them. The blocks are assumed all of uniform size, material and spacing, and the ship is assumed infinitely stiff, so beam theory can be applied on force calculation. The model is solved by genetic alg orithm. The above idea is finally verified by a testing case. K eywords: dock block arrangement, genetic algorithm, multi-objecti ve, optimization