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A cognitive approach for the multi-objective optimization of RC structural problems

Yepes V., García-Segura T., Moreno-Jiménez J. M.

Archives of Civil and Mechanical Engineering

2015

Vol. 15, no. 4

1024--1036

This paper proposes a cognitive approach for analyzing and reducing the Pareto optimal set for multi-objective optimization (MOO) of structural problems by means of jointly incorporating subjective and objective aspects. The approach provides improved knowledge on the decision-making process and makes it possible for the actors involved in the resolution process and its integrated systems to learn from the experience. The methodology consists of four steps: (i) the construction of the Pareto set using MOO models; (ii) the filtering of the Pareto set by compromise programming methods; (iii) the selection of the preferred solutions, utilizing the relative importance of criteria and the Analytic Hierarchy Process (AHP); (iv) the extraction of the relevant knowledge derived from the resolution process. A case study on the reinforced concrete (RC) I-beam has been included to illustrate the methodology. The compromise solutions are obtained through the objectives of economic feasibility, structural safety, and environmental sustainability criteria. The approach further identifies the patterns of behavior and critical points of the resolution process which reflect the relevant knowledge derived from the cognitive perspective. Results indicated that the solutions selected increased the number of years of service life. The procedure produced durable and ecological structures without price trade-offs.

Кластерный подход инновационного эколого-экономического устойчивого развития Беларуси

Никитенко П., Левкевич B.

Ekonomia i Zarządzanie

2014

Vol. 6, no. 2

214--229

В работе приведены результаты анализа существующих промышленных кластеров в мире. Показана их роль в формировании эколого-экономического устойчивого развития стран. Даны предложения по созданию кластеров в Беларуси.

The results of analysis of existing industrial clusters in the world. Their role in the formation of ecological and economic sustainable development of countries. Present proposals for the creation of clusters in Belarus.