Object oriented programming applied to a finite element technique for the limit analysis of axisymmetrical pressure vessels

  • Authors:

  • José Ricardo Queiroz Franco;Felício Bruzzi Barros;Fernando Poinho Malard;Alexandre Balabram

  • Affiliations:

  • Department of Structural Engineering, School of Engineering, Federal University of Minas Gerais, Brazil;Departament of Civil Engineering, Federal Center of Technological Education—Minas Gerais, Brazil;Department of Structural Engineering, School of Engineering, Federal University of Minas Gerais, Brazil;EMBRAER, São José dos Campos, S.P., Brazil

  • Venue:
  • Advances in Engineering Software
  • Year:
  • 2006

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Abstract

This paper concerns with the aspects of the Object Oriented Programming used to develop a Finite Element technique for limit analysis of axisymmetrical pressure vessels. The concepts of inheritance, polymorphism, encapsulation and modularity are extensively explored. The analysis processor is part of a global computation system and it is integrated with two graphical modules defined as modeler (preprocessing) and post-processor, both of them associated to a new CAD technology. The problem used to illustrated the limit analysis technique implemented is a standard ASME torispherical vessel subjected to internal pressure. The obtained results are compared with other numerical and analytical solutions.