Abstract
This paper is dealing with the comparison of the FEM result quality between a commercial tool and an open source software with regards to the numerical simulation of a single seam WAAM process. For this purpose, an experimental WAAM process was conducted by a welding robot on a 1.4404 (316L) base plate with a 1.4404 (316L) welding wire, connected with the associated measurement equipment. Furthermore, the equivalent setup was transferred in the FEM tools Simufact Welding and Elmer FEM, using the same parameters for both simulations. The calculations show, that both programs are able to generate high quality results with a good accordance to the temperature development within the experimental processes. In summary it can be said, that both programs offer advantages and the decision what tool has to be used depends on the requirements and the possibilities of the user.
Highlights
INTRODUCTION AND CURRENT STATE OF TECHNOLOGYThe technology of additive manufacturing (AM) has become more important in current metal manufacturing environment
For thermocouple 2 (T2), the calculation produced an increased maximum which can be seen in both numerical simulation tools
Both Simufact Welding and Elmer FEM are suitable for performing professional FEM calculations
Summary
The technology of additive manufacturing (AM) has become more important in current metal manufacturing environment. In addition to the well-known powderbased AM process Selective Laser Melting (SLM), direct metal deposition processes such as Wire Arc Additive Manufacturing (WAAM) and 3D Plasma Metal Deposition (3DPMD) have become more important [1]. Numerical simulation for AM processes is a very present topic in the current research project [2]. More commercial software developers have recognized the current market conditions and began to offer various programs designed for the numerical simulation of AM processes. A lot of research has been conducted in dealing with numerical simulation of various AM processes [3]. Since this paper is dealing with the WAAM process, the following short overview will be restricted to research topics around this technology
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