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Multiparameter Structural Optimization of Pressure Vessel with Two Nozzles

  • Martina BalacEmail author
  • Aleksandar Grbovic
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 54)

Abstract

Structural analysis of pressure equipment (vessels) has always been a huge challenge for researchers. Pressure vessels are usually subjected to different loads in exploitation and small defects can lead to failure of the equipment, which may result in loss of life, health hazards and damage of property. Modern approach of stress and strain analysis of the influence of welded nozzles on pressure vessels involves numerical and experimental testing. In this research, 3D Digital Image Correlation (DIC) method for analyzing full field surface strain and stress, including camera system in combination with Aramis software, was used. After determination of critical areas with highest von Mises stresses and strain concentrations, numerical analysis of equivalent 3D model was performed in Ansys Workbench software. The aim of this paper is to present detailed parameter optimization of pressure vessel with two nozzles based on finite element analysis (FEA) of the structure. Several geometrical parameters were varied to obtain the optimum geometry of the pressure vessel, capable of withstanding the service load without plastic deformation. It is shown that carried out optimization gives the minimum weight of pressure vessel with optimized wall and nozzle thicknesses for the given load.

Keywords

Pressure vessel Digital Image Correlation method Finite element analysis Optimization Response surface method 

Notes

Acknowledgements

Study presented in this paper is part of the Project TR 35031 financed by Ministry of Education, Science and Technological Development of Republic of Serbia.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Faculty of Mechanical EngineeringUniversity of BelgradeBelgradeSerbia

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