The Waterhammer section of the User Options window allows you to:

• Require a check of the Waterhammer Assistant before running models

• Specify how AFT Impulse handles the situation where transient data for a junction does not go to the end of the transient simulation. Impulse can either use the last data point in the table or extrapolate using the last two data points. Using the last data point is the default option.

• Define if transient cavitation should be based on stagnation (recommended) or static pressure

• Enable or disable the Variable G feature for use in the Environmental Properties panel. By default this option is disabled.