![]() OPTION 2: The sag bend height (Ys) and arch bend height (Ya) are specified whereas Si, Sj, and Sk are unknown. Two design input options are considered with respect to fig.1 OPTION 1: The hang-off catenary length (Si), the buoyancy catenary length (Sj), the touchdown catenary length (Sk) are specified whereas the hang-off angle (θ) is obtained iteratively by the developed codes using the water depth as a check criteria. ![]() To carry out the analysis and design, PTC Mathcad was used to develop the codes used to determine and plot the LWR configurations and perform parametric investigation of several key parameters (the effect of pipe size or diameter, effect of lengths (Si, Sj, Sk) effect of arch and/ or bend height effect of internal fluid, effect of hang-off angle effect of water depth effect of effective mass ratio, effect of platform offset etc. This could be useful in preliminary screening stage of selecting the best LWR configurations. This work deals with the development of a systematic iterative approach to the analysis and design of LWR with the application of catenary theory.
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