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It concerns primarily about the behaviour of the internal structure of the pipe. A theorethical approach allows to establish the stresses, strains and contact pressures between layers due to axisymmetrical loads and bending. The algorithms were represented in FORTRAN under an Expert System \"help-desk\" Prototype using the E.S.E from IBM. The resulting system links the numerical results from conventional programming to the qualitative criteria codified on a knowledge base named FRAES by using the available expert's heuristic and experience."]},{"key":"dc:title","label":"Title","values":["FRAES - Protótipo de sistema especialista para análise do comportamento mecânico local de risers flexíveis"]}]}],"canonical_facts":{"dc:contributor.advisor":["Ebecken, Nelson Francisco Favilla"],"dc:creator":["Geymayr, Jose Antonio Bogarin"],"dc:date.accessioned":["2018-05-14T13:20:42Z"],"dc:date.available":["2026-05-16T03:05:30Z"],"dc:date.issued":["1990-06"],"dc:description.abstract":["This work deals with the behaviour of high-pressure flexible pipes which can be used as risers in offshore applications. It concerns primarily about the behaviour of the internal structure of the pipe. A theorethical approach allows to establish the stresses, strains and contact pressures between layers due to axisymmetrical loads and bending. 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