To see how AirBlast works, let's define an explosion. Let's select ANFO as the explosive, for example, by first clicking the Event menu and then the Explosive submenu. The screen will look like (detail):

abmenus1.jpg (17942 bytes)

Next, we select Charge Size on the Event menu (shown above) and in the dialogue box which appears, enter 2000:

abinput1.jpg (15052 bytes)

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