Structural members were constructed through welding and were subjected to various loads. In this paper, stress concentration of typical welding connections due to variable loads has been studied using numerical approach. Fillet welding, penetration welding and partial penetration welding characteristics are investigated by changing parameters such as penetration length, welding leg length, size and penetration angle. To verify proper structural configuration, various steel welding connections are chosen to be objective structures and relevant structural analysis is carried out using Finite Element Methods combined with ANSYS code. Stress concentration phenomenon and structural behavior have been the main outcomes of interest. It is found that in certain cases, a typical welding connection has lower stress concentration factors with well chosen welding parameters.

welding parameters, stress concentration, Finite Element Methods, welding connections.