Laser Lap Welding | FLOW-3D WELD @flow3d

Uploaded December 2025 | Updated September 2026, 1 week ago

Lap weld quality depends on multiple factors including thermal management, penetration depth, and defect formation throughout the welding process. This FLOW-3D WELD simulation demonstrates laser lap welding with visualization of thermal evolution, porosity formation, bead dimensions, and melt volume. CFD modeling helps engineers assess joint quality and optimize process parameters to achieve desired weld characteristics while minimizing defects in lap joint configurations. Learn more at flow3d.com/products/flow3d-weld

$Melt Pool Simulation of Overhang Dross in Laser Powder Bed Fusion (LPBF) | FLOW-3D AM This laser powder bed fusion (LPBF) simulation animation shows 3 melt tracks as the laser beam approaches a down-facing overhang surface that runs parallel to the laser motion. The lack of structural support beneath the overhang surface causes the melt pool to sink lower than its neighboring layers, producing an effect called Dross. Naturally, dross formation causes dimensional inaccuracy, high surface roughness and also adversely affects the mechanical properties of printed components. FLOW-3D AM is used to quantify process parameters to reduce defects like dross. Learn more about how FLOW-3D AM can be used for LPBF simulations and more by visiting https://www.flow3d.com/products/flow3d-am/. Top left: Temperature field in degree C Top right: Solid fraction Bottom left: Top view using ray-tracing to visualize metallic material Bottom right: Front view using ray-tracing to visualize metallic material$

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