Step 6b: Flow (Particles)

• Click the "Flow" button to bring up the Flow Dialog Box.
• Select the "Particle movement" option.
• Enter the initial particle spacing (in meters). As a general guide, start with a spacing that about 1/100 of the model domain length. (For example, if the model domain length is 1000 meters, then enter a particle spacing of 10 meters.)
• Click "OK" to close the dialog box.
• Draw a polygon to outline the initial location of a cluster of fluid particles. Keep the polygon relatively small to avoid having too many particles (which will slow down the animation).
• After the polygon is drawn, it will be filled with particles at the prescribed spacing.
• To change the particle spacing, repeat the above step.

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