Mathematical model and efficient algorithms for object packing problem |
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Authors: | N. Chernov Yu. Stoyan T. Romanova |
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Affiliation: | 1. Department of Mathematics, University of Alabama at Birmingham, AL 35294, United States;2. Department of Mathematical Modeling, Institute for Mechanical Engineering Problems of the National Academy of Sciences of Ukraine, Kharkov, Ukraine |
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Abstract: | The article is devoted to mathematical models and practical algorithms for solving the cutting and packing (C&P) problem. We review and further enhance the main tool of our studies – phi-functions. Those are constructed here for 2D and 3D objects (unlike other standard tools, such as No-Fit Polygons, which are restricted to the 2D geometry). We also demonstrate that in many realistic cases the phi-functions can be described by quite simple formulas without radicals and other complications. Lastly, a general solution strategy using the phi-functions is outlined and illustrated by several 2D and 3D examples. |
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