Dear all,
In dynamic analyis->control paramenters->static Load Case for Nonlinear Restraint status

after refer the F1 help,i still don't know
which load case should be choosed ?

my load case:
4)WW+HP+H(HYD)
5)W+D1+T1+P1+H(OPE)
6)W+D2+T2+P1+H(OPE)
7)W+D3+T3+P1+H(OPE)
8)W+P1+H(SUS)
9)W+D1+T1+P1+H+U1(OPE) seismic
10)W+D1+T1+P1+H+U2(OPE) seismic


which one should be choosed, and what is the
choose criterion?
thanks

Best Regards,