FE modeling techniques for hot spot stress analysis of diamond bird-beak SHS joints

B. Cheng, Y. Lou, C. Li, Xiao Lin Zhao

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

Parametric analysis of hot spot stresses is a complicated process for bird-beak Square Hollow Section (SHS) welded joints due to their characteristic configurations. This paper presents an efficient finite element modelling technique to simulate the hot spot stresses of diamond bird-beak joints. ANSYS Parametric Design Language (APDL) was used and the novel configurations including saddle and crown areas of bird-beak joints were mainly considered during the model establishing process. Tetrahedral-shaped solid elements were used so that the refined FE meshes satisfy the requirements of extrapolation regions that have been specified in IIW and CIDECT fatigue design guides. All procedures are automatically completed by pre-coded programs so that the parametric analysis and design formula fitting of Stress Concentration Factor (SCF) can be efficiently conducted. The accuracy of the FE models was validated by comparing with the existing experimental data.

Original languageEnglish
Title of host publicationTubular Structures XVI - Proceedings of the 16th International Symposium on Tubular Structures, ISTS 2017
EditorsAmin Heidarpour, Xiao-Ling Zhao
PublisherCRC Press/Balkema
Pages481-485
Number of pages5
ISBN (Print)9780815381341
DOIs
Publication statusPublished - 2018
Externally publishedYes
Event16th International Symposium on Tubular Structures, ISTS 2017 - Melbourne, Australia
Duration: 4 Dec 20176 Dec 2017

Publication series

NameTubular Structures XVI - Proceedings of the 16th International Symposium on Tubular Structures, ISTS 2017

Conference

Conference16th International Symposium on Tubular Structures, ISTS 2017
Country/TerritoryAustralia
CityMelbourne
Period4/12/176/12/17

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction

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