Mixed Integer Nonlinear Programming Applications
نویسنده
چکیده
In this contribution we apply different approaches to solve four rather different MINLP problems: special extensions to time-indexed formulations of production planning problems, a production planning problem in BASF’s petrochemical division, a site analysis of one of BASF’s bigger sites, and a process design problem. The first problem is related to a useful nonlinear extension of production planning problems based on time-indexed formulations. The second problem1 leads to a mixed-integer nonlinear model for describing a petrochemical network including several steam crackers and plants located at two different sites. The third problem, a network design problem, leads to mixed integer nonlinear programming problem dominated by pooling problems (KW97, Section 11.1.2) as is true for the second problem. The pooling problem refers to the intrinsic nonlinear problem of forc-
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