Abstract:The irregular packing problems are cutting and packing problems, in which smaller irregular pieces (which we call items) should be packaged entirely in one large piece (which we call a plate), obeying non-overlapping constraints and minimizing the dimensions of the plate. To ensure non-overlapping, we make use of separation lines, that is, lines that separate one item from another. We present nonlinear programming models for problems of packing regular and irregular items that rotate freely. The items can be c… Show more
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