It now takes many years of laborious work to qualify an additive manufacturing (AM) component. The process involves selecting a specific AM process and alloy by conducting experiments, examining the role of many process variables, building many specimens, investigating their microstructures, testing appropriate properties and evaluating in-service performance. In the AM of metallic materials, the numerical models of heat transfer, fluid flow and mass transfer have been used to address problems such as residual stress and distortion, lack of fusion defects, alloying element loss due to vaporization and printability of engineering alloys. Numerical models of heat transfer, fluid flow and mass transfer are widely used in aerospace, electronics, automotive and other industries because they provide proven solutions of many critical problems. Because of their unique capabilities, simulations can reduce the volume of specimen building, characterizing and testing necessary to qualify an AM component, decrease time between design and qualification, save costs and improve product quality. AM is an advanced tool of the digital world. However, the AM product qualification seems to follow the age-old methods. Are the modern day simulations widely used in AM industry?
Powder injection molding simulations are available, but I'm not sure if they are widely used.
https://knowledge.autodesk.com/support/moldflow-insight/learn-explore/caas/CloudHelp/cloudhelp/2018/ENU/MoldflowInsight/files/GUID-5318CDAA-0829-4559-B0E7-3EC5DBF86EF7-htm.html
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