I am working on the stress analysis of a hull piping system for a SPAR in the GOM. The elevation difference of the topside piping and riser porch is 630 ft. We have to consider internal hydrostatic pressure in the pipe. Does CAESAR II automatically include calculating the internal hydrostic pressure if I specify the design pressure at a reference elevation in spreadsheets?

In addition, Does CAESAR II automatically exclude buoyancy effect when performing modal analysis for a submerged piping system?