http://www.soran.edu.iq/images/staff/Dr-Almukhtar/Al-Mukhtar2.pdfhttp://www.soran.edu.iq/images/staff/Dr-Almukhtar/Al-Mukhtar2.pdfJournal of materials engineering and performance
Comparison of the stress intensity factor of load-carrying cruciform welded joints
with different geometries
A Al-Mukhtar, H Biermann, S Henkel, P Hübner
Abstract
The investigation of fatigue strength needs an accurate solution and reliable values of the
stress intensity factor (SIF). In this study, SIF of load-carrying cruciform welded joints
has been evaluated using finite element method (FEM), and compared with the available
solutions from literature. Load-carrying cruciform welded joints with isosceles triangles
and non-isosceles triangle fillet weld shapes were considered and have been analyzed by
the FEM-based simulator FRANC2D program. Moreover, the effects of plate thickness
and penetration depth have been considered. The aim of this work was to study the
effects of these geometrical variables on fatigue SIF of the load-carrying welded joints
with lack of penetration. The ability of FRANC2D to find an appropriate SIF solution is
shown and compared with available solutions. |
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