Workbench Additive Manufacturing: Why is the actual build time different from the FEA simulation build time?
January 25, 2023 at 7:34 amFAQParticipant
Workbench Additive allows the mesh size to be greater than the machine deposition thickness (sometimes called superlayers or lumped layers). In order to obtain the same thermal history independent of the mesh size, we scale the build time. (The factor was computed by equating the analytical result for a point heat source. The coarser mesh will dump more heat into the system hence require less time to reach the same equivalent temperature.) The actual build time (as seen in the machine) would be computed as: machine build time = (simulation build end time)*(mesh height/deposition thickness)^0.33
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