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Research on Calculation of DSIF Based on Maximum Crack Opening Displacement

[+] Author Affiliations
Jingjie Chen, Yi Huang, Yugang Li

Dalian University of Technology, Dalian, China

Paper No. OMAE2017-62375, pp. V03AT02A043; 7 pages
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 3A: Structures, Safety and Reliability
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5765-6
  • Copyright © 2017 by ASME


A simple method is proposed to calculate the dynamic stress intensity factors (DSIFs) based on the maximum crack opening displacement (MCOD) away from crack tip under plane strain conditions. In this work, aimed at a central through cracked infinite plate under impact loads, the relationship between the DSIF and the corresponding MCOD is identified by theoretical analysis. The finite element method is employed to study the application of the relationship under different model geometries, material properties and loading modes. The investigation indicates that the presented method is applicable to the finite plate models of different materials under arbitrary loading modes.

Copyright © 2017 by ASME



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