Browsing by Subject "deposition path"
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Item Generation of Deposition Parts and Quadrilateral Meshes in Additive Manufacturing(University of Texas at Austin, 2017) Rui, Wang; Haiou, Zhang; Guilan, Wang; Shangyong, Tang; Runsheng, LiIn wire arc welding Additive Manufacturing (WAAM), filling paths have a strong influence on the deformation of fabricated part. Many researchers employ FEM to analyze the effects of different filling strategies. However, they mainly majored in regular simple path (e.g. line and circle).This paper presents the method to generate meshes in deposition region of complicated path which can be used in FEM. First, the contour offset path and skeleton path is introduced. Then, the deposition region of each path is created by offsetting the paths inward and outward. Afterwards, quadrilateral meshes are constructed within each region. Deposition region is approximated by meshes.