Dear Tahar

This paper is really good and might answer your question:

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952014000500009

The following publications may also be of interest:

file:///C:/Users/master/Downloads/WER341.pdf

http://www.engr.psu.edu/amr_elnashai/docs/JournalArticles/30%20Izzuddin,%20Karayannis.pdf

Best wishes

Can you explain about explicit model and your software please?

It's my doctorate subject I'm working on, and I want to know if there's any analogues researches and references

Dear, you can see the attached paper. Best regards.

Thanks for your paper Dr, but not exactly what I mean by the question