A simple randomized algorithm for two-dimensional strip packing

  • Authors:
  • Shuangyuan Yang;Shuihua Han;Weiguo Ye

  • Affiliations:
  • Software school of Xiamen University, 361005 China;Department of Management Science, Xiamen University, 361005 China;Department of Management Science, Xiamen University, 361005 China

  • Venue:
  • Computers and Operations Research
  • Year:
  • 2013

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Abstract

Two-dimensional strip packing problem is to pack given rectangular pieces on a strip of stock sheet having fixed width and infinite height. Its aim is to minimize the height of the strip such that non-guillotinable and fix orientation constraints are meet. In this paper, an improved scoring rule is developed and the least waste priority strategy is introduced, and a randomized algorithm is presented for solving this problem. This algorithm is very simple and does not need to set any parameters. Computational results on a wide range of benchmark problem instances show that the proposed algorithm obtains a better or matching performance as compared to the most of the previously published meta-heuristics.