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Idealized Structural Unit Method: A Review of the Current Formulation

[+] Author Affiliations
Anna Oksina, Thomas Lindemann, Patrick Kaeding

University of Rostock, Rostock, Germany

Masahiko Fujikubo

Osaka University, Osaka, Japan

Paper No. OMAE2016-54186, pp. V009T13A008; 8 pages
  • ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 9: Prof. Norman Jones Honoring Symposium on Impact Engineering; Prof. Yukio Ueda Honoring Symposium on Idealized Nonlinear Mechanics for Welding and Strength of Structures
  • Busan, South Korea, June 19–24, 2016
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5000-8
  • Copyright © 2016 by ASME


The evaluation of the maximum load-carrying capacity of structures is an essential issue in determining their safety. Only if the prediction of the ultimate strength is ensured, their probability of survival in extreme load conditions can be estimated. Particularly for safe dimensioning of ship structures, the determination of structural strength against buckling and yielding is required by Common Structural Rules (CSR). For ultimate strength calculations of ship structures, including ultimate hull girder capacity and ultimate strength of plates and stiffeners, the Finite Element Method (FEM) is a feasible tool. Despite the enormous development in computer technology, nonlinear finite element analyses (FEA) are still very time consuming and not easily to perform as well. Therefore the Idealized Structural Unit Method (ISUM) can be applied for collapse analysis of large structures.

Copyright © 2016 by ASME



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