Hi Drej,
Thanks for reply, I looked at the command MDAMP, STLOC, V1, V2, V3, V4, V5, V6,but not clear about STLOC & V1,V2,V3 part.
Kindly clear in my case. I have four mode 1,2,3,4 which is heave,pitch,two noded,and three noded of ship. I would like to apply 0.8 & 0.7 to 2 noded and 3 noded...