May this   can help you

brick wall model: Topics by Science.gov

(www.science.gov/topicpages/b/brick+wall+model.html)

A RESTful API for Supporting Automated BioBrick Model Assembly ...... The model successfully reproduces even the so-called helicoidal wall; the most intricate ..... You explain your needs to an expert - an architect, someone who knows how to ...... SPMMM (for sequential particle micromixing model) implements the familiar 

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Thanks for this answer, but as it is mentioned in my question I am looking informations and help in the "brick model" introduced by Simpson which is a constitutive model for soils. Regards