Dear adekajeng,
You have been real helpful but i am also sorry that i didnt conveyed my problem completely. Actually i am right now doing research and using SAP but thought
that it is a commerical software.
Thanks a lot and i will give Seismostruct & Zeus-NL a go.
Moderator Notes:
Please use "NEW REPLY" button next time. You may be warned for spamming if you kept replying with "REPLY" button (quoted text without good reason).