Abstract:Calculation principle of simulation platform to realize sealing performance analysis was presented,graphical user interface of simulation platform was shown.Simulation platform designed by Matlab GUI contains solid mechanics analysis module and fluid numerical simulation module,can calculate sealing performance parameters such as contact pressure,radial force,friction,oil film thickness and so on.The simulation platform has a friendly graphical user interface,is very convenient to input the relevant parameters and output results.Executable program compile from simulation model can run independently without Matlab environment,is portability and convenient for the engineering application.