In this study, the natural gas pipe network system modal was compared between the commercial
program, named SynerGEE and the new developed program which adoped the Stoner model and
inertia multiplier. Approximately the real value of pipe diameter and length was applied
to the pipe system. The pressure at each lication was calculated by SynerGEE and the developed
program to find out the error rates By comparing the numerical results and measured results.
Throughout this study, results verified not only the utility of two programs but also the pipe
system modle established originally.