Kriging metamodel management in the design optimization of a CNG injection system

  • Authors:
  • G. Dellino;P. Lino;C. Meloni;A. Rizzo

  • Affiliations:
  • Dipartimento di Ingegneria dell'Informazione, Universita' degli Studi di Siena, Via Roma 56, 53100 Siena, Italy;Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy;Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy;Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy

  • Venue:
  • Mathematics and Computers in Simulation
  • Year:
  • 2009

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Abstract

This paper deals with the use of Kriging metamodels in multi-objective engineering design optimization. The metamodel management issue to find the tradeoff between accuracy and efficiency is addressed. A comparative analysis of different strategies is conducted for a case study devoted to the design of a component of the injection system for Compressed Natural Gas (CNG) engines. The computational results are reported and analyzed for a performance assessment conducted with a data envelopment analysis approach.