Two phase dynamic model for gas phase propylene copolymerization in fluidized bed reactor

Ahmad Shamiri*, Mohd Azlan Hussain, Farouq S. Mjalli

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)


Porous materials have gained wide use in high level engineering structures due to their high stiffness/weight ratio, good energy absorption properties, etc. Frequently, thermal behavior is also an issue of concern and optimized multifunctional thermo-mechanical responses are sought for. This paper presents the application of a hybrid two-stage method for achieving an optimized layout of periodic truss-like structures in order to obtain a good compromise between thermal and mechanical elastic properties. The first stage employs a derivative free optimization method, which explores the design space, not getting trapped by local minima. The second stage uses a derivative based optimization algorithm to perform a refinement of the solution obtained in the first stage.

Original languageEnglish
Title of host publicationDiffusion in Solids and Liquids VI
Subtitle of host publicationMass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials
PublisherTrans Tech Publications Ltd
Number of pages6
ISBN (Print)9783037851173
Publication statusPublished - 2011
Externally publishedYes


  • Fluidized bed
  • Gas phase
  • Modeling
  • Propylene copolymerization

ASJC Scopus subject areas

  • Radiation
  • Materials Science(all)
  • Condensed Matter Physics


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