Improved Big-M reformulation for generalized disjunctive programs

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Francisco Trespalacios, Ignacio E. Grossmann

Published: 2015, Last Modified: 14 May 2025Comput. Chem. Eng. 2015EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Paper addresses reformulations of disjunctions as mixed-integer constraints.•A new Big-M reformulation is introduced.•The new reformulation is at least as tight as the conventional Big-M.•Number of nodes and CPU-time can be reduced with new reformulation.