Liquid phase stability via global optimization

Rodrigues, Vânia; Pereira, Ana I.; Ferreira, Olga; Pinho, Simão

http://hdl.handle.net/10198/4091

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Abstract(s)

In this work, the Penalty Stretched Simulated Annealing Method and the Multilocal Branch and Bound method were applied to identify the stationary points of the tangent plane distance function defined for the Gibbs energy. The classic excess Gibbs energy Non Random Two Liquid model was used for these studies in several multicomponent mixtures, for which specific numerical difficulties were shown. The preliminary results obtained by applying the methodology developed in this work were satisfactory.

Keywords

Multilocal optimization Global optimization Phase stability

URI

http://hdl.handle.net/10198/4091

Citation

Rodrigues, Vânia; Pereira, Ana I.; Ferreira, Olga; Pinho, Simão P. (2010). Liquid phase stability via global optimization. In Numerical Analysis and Apploed Mathematics. Vols I-III AIP Conference Proceedings. Rhodes, Greece. ISSN 0094-243X