Beam analysis

hi all,

 I am trying do analysis on a beam in ABAQUS which is coated with polymer meaterial and i have to test it in following conditions,

1. Humidity resistance: 50 ° C/85 ± 4% RH for 8 days

2.  Warm salt water: 58 ± 2° C/5% salt-water immersion for 8 days

can anyone tell me how to do this one...

Regards

sagar