most of the RP2A requirements are now performed by software.
It appears that you may be starting to work on offshore structures..so you will most likelyt be using softwre like SACS, STRUCAD, SESAM or others..
In these softwares, you will be able to perform all analyses and code checking through software built-in capabilities.
For more detailed studies, you can get a book called "Dynamics of Offshore Structures" but that is a high level analysis background
HTH