A new prediction model for the load capacity of castellated steel beams

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  author =       "Amir Hossein Gandomi and Seyed Morteza Tabatabaei and 
                 Mohammad Hossein Moradian and Ata Radfar and 
                 Amir Hossein Alavi",
  title =        "A new prediction model for the load capacity of
                 castellated steel beams",
  journal =      "Journal of Constructional Steel Research",
  volume =       "67",
  number =       "7",
  pages =        "1096--1105",
  year =         "2011",
  ISSN =         "0143-974X",
  DOI =          "doi:10.1016/j.jcsr.2011.01.014",
  URL =          "http://www.sciencedirect.com/science/article/B6V3T-52BVR2R-1/2/9f40e5717143288037afed5176f8d52e",
  keywords =     "genetic algorithms, genetic programming, Castellated
                 beam, Failure load, Gene expression programming",
  abstract =     "In this study, a robust variant of genetic
                 programming, namely gene expression programming (GEP),
                 is used to build a prediction model for the load
                 capacity of castellated steel beams. The proposed model
                 relates the load capacity to the geometrical and
                 mechanical properties of the castellated beams. The
                 model is developed based on a reliable database
                 obtained from the literature. To verify the
                 applicability of the derived model, it is employed to
                 estimate the load capacity of parts of the test results
                 that were not included in the modelling process. The
                 external validation of the model was further verified
                 using several statistical criteria recommended by
                 researchers. A multiple least squares regression
                 analysis is performed to benchmark the GEP-based model.
                 A sensitivity analysis is further carried out to
                 determine the contributions of the parameters affecting
                 the load capacity. The results indicate that the
                 proposed model is effectively capable of evaluating the
                 failure load of the castellated beams. The GEP-based
                 design equation is remarkably straightforward and
                 useful for pre-design applications.",

Genetic Programming entries for A H Gandomi Seyed Morteza Tabatabaei Mohammad Hossein Moradian Ata Radfar A H Alavi