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Finite Element Based Analysis of Bolted Joints Under Extreme Loading Conditions

[+] Author Affiliations
Seetha Ramudu Kummari, David J. Dewees, Robert G. Brown

The Equity Engineering Group, Inc., Shaker Heights, OH

Paper No. PVP2012-78541, pp. 211-217; 7 pages
doi:10.1115/PVP2012-78541
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

A case study is presented for a heat exchanger subjected to a postulated beyond-design basis over-pressurization. Gasket behavior is explicitly modeled with commercial FEA software, and tuned to experimental data. Material (strain-hardening plasticity) and geometric nonlinearities are also accounted for. Both two-dimensional and three-dimensional analysis is performed and compared, and all results are compared with standard ASME Code design criteria for bolted joints leakage. Recommendations for use of FEA technology to assess the behavior of bolted joints subject to extreme loading behaviors are presented.

Copyright © 2012 by ASME

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