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On Pipe Elements Currently Available for Nuclear Power Piping Analysis and Their Benchmark Tests

[+] Author Affiliations
Lingfu Zeng, Lennart G. Jansson

ÅF-Industry AB, Göteborg, Sweden

Paper No. PVP2012-78322, pp. 659-669; 11 pages
doi:10.1115/PVP2012-78322
From:
  • ASME 2012 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • Toronto, Ontario, Canada, July 15–19, 2012
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5502-7
  • Copyright © 2012 by ASME

abstract

In this paper, an overview is given for various pipe elements currently available in commercial general-purpose finite element software, such as ADINA, ANSYS and ABAQUS and several others, with respect to their formulations, applications and limitations. Throughout the overview, a comparison to piping analysis based on a usual 3-diemnsional beam theory, which appears in many software particularly developed in early years for piping analysis is made. Benchmark tests ranging from simple to relative complex nuclear piping systems, given by US Nuclear Regulatory Commission (NRC), are taken for addressing three key concerns in nuclear piping analysis: reliability, accuracy and effectivity. It is demonstrated that: (1) piping analysis using software developed purely based on traditional curved beam theory can go wrong; and (2) a reliable piping analysis, in particular, for complex loading conditions and non-linear applications, can only be achieved by using so-called pipe-shell elements.

Copyright © 2012 by ASME
Topics: Pipes , Nuclear power

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