Numerical simulation of stress fi eld in inclusions of large rudder arm steel castings

Abstract

The infl uence of non-metallic inclusions on quality and performance of steel depends on not only the quantity of inclusions, but also the type, shape, size, distribution, and deformation behavior. In this paper, ANSYS fi nite element analysis software is used to simulate the stress fi eld of inclusions appearing in heavy rudder arm steel castings, the effects of inclusion type, shape, distribution, and various loading conditions were studied. The micromechanics of inclusions in such castings were also analyzed. Such research provides further clarifi cation on reaction mechanism of inclusions under complex loading conditions.

Keywords

• ANSYS
• inclusions
• stress concentration
• maximum stress