Published 06/07/2021 at 530 × 550 in On the CFD Modelling of Slamming of the Metal Melt in High-Pressure Die Casting Involving Lost Cores Figure 3. Pressure Implicit with Splitting of Operator (PISO) algorithm before and after the adjustments. Figure 3. Pressure Implicit with Splitting of Operator (PISO) algorithm before and after the adjustments.