英文期刊1. Introduction翻譯

1. Introduction Welding is a reliable and efficient metal-joining process widely used in industry. Plates of different thickness are used in industry and thick plates are normally joined by multipass welding. When analyzing multipass welding one also needs to model the addition of (new) filler material as new... 顯示更多 1. Introduction
Welding is a reliable and efficient metal-joining process
widely used in industry. Plates of different thickness are
used in industry and thick plates are normally joined by
multipass welding. When analyzing multipass welding
one also needs to model the addition of (new) filler material
as new weld passes are deposited and the geometry of the
weld joint is being built-up. This makes it difficult to model
the multipass welding with finite element method (FEM).
Due to the intense concentration of heat in the heat source
of welding, the regions near the weld line undergo severe
thermal cycles, thereby maybe generating weld solidification
cracks in the weldment. Therefore, modeling weld
solidification cracks have been a major topic in welding a
variety of engineering alloys.
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