Welding models, simulation algorithms, and computational welding mechanics (CWM) deal with high performance computer algorithms, and software to predict the behavior of welds in the welded structures. CWM started developing early 1970s for practical weld engineering [1] and it is now maturing with a good level of reliability including complex physics of welding, material modeling, and stress-strain dependency on temperature and evolution of microstructure [2]. From 1980 to 2000, CWM capability evolved rapidly and, then after 2000, CWM is being adopted quickly by industry. Recent activities further has focused on computational strategies and how they are integrated with other approaches to facilitate the use of simulations in industrial scale engineering with sizeable geometry and real-world complexity [3,4]. Increasing power of computation provide a platform for performing more complex CWM algorithm for achieving a perfect weld including interactive integration of CWM framework with other packages and robots.
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