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On a sustainability interval index and its computation through global optimization

Yannis Phillis, Jeremy A. Conner, Vasilios I. Manousiouthakis

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URIhttp://purl.tuc.gr/dl/dias/AE638F5B-FDBB-4C3A-8AB6-D74FDFAEE498-
Αναγνωριστικόhttps://doi.org/10.1002/aic.12777-
Γλώσσαen-
Μέγεθος15 pagesen
ΤίτλοςOn a sustainability interval index and its computation through global optimizationen
ΔημιουργόςYannis Phillisen
ΔημιουργόςΦιλλης Ιωαννηςel
ΔημιουργόςJeremy A. Conneren
ΔημιουργόςVasilios I. Manousiouthakisen
ΕκδότηςAmerican Institute of Chemical Engineersen
ΠερίληψηPrior sustainability models have taken exact basic indicator (BI) values of an entity's sustainability and computed an exact value of the entity's sustainability index. However, BI values are either uncertain or difficult to obtain. In this work, we propose a novel approach that transforms BI data in the form of intervals containing all possible BI values to an interval containing all possible values of the sustainability index. This interval is termed the “sustainability index interval” (SII). Computation of the SII is achieved through solution of a minimization and a maximization problem using global optimization techniques. Although the underlying global optimization problems are nonconvex, they are shown to possess a number of properties that can be utilized to reduce the burden associated with SII's computation. Based on these properties, a branch-and-bound algorithm is developed, which exactly quantifies the SII in a finite number of iterationsen
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-05-
Ημερομηνία Δημοσίευσης2012-
Θεματική ΚατηγορίαModels, Mathematicalen
Θεματική Κατηγορίαmathematical modelsen
Θεματική Κατηγορίαmodels mathematicalen
Βιβλιογραφική Αναφορά J. A. Conner, Y. A. Phillis, and V. I. Manousiouthakis, “On a sustainability interval index and its computation through global optimization,” AIChE J. Vol. 58, No. 9, pp.2743-2757, 2012. doi : 10.1002/aic.12777en

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