List of water hammer models

Here is a partial list of water simulation packages that includes water-hammer analysis:

MIKE URBAN
AFT Impulse
WANDA 3
ARTS – Hydraulic Design of Water and Wastewater Systems
ATMOS LSIM
Pipe2000/KYpipe
HAMMER
Hytran v3.0

There is a lot of information on water-hammer as you can see here on Google.