hi

i need your guidness about flow simulation result.

i simulated   with flow simulation tools .

my software version is 2012

my flow simulation has no error and warning

after simulation is finished i have flow trajectory result.

i run and play the result normally but in creating animation  file from this result i have problem!!!!!!??????????

when i play the avi file i see black screen or indistinct video!!!!!!!!!!!!!!!!!!!!

please help me what is the problem??????????