Figure 2. Catenary Touchdown-end(a) schematic and (b) Free Body diagram

From

On the Structural Integrity of S-Lay Method of Pipeline Installation

John Oluwasegun Oladimeji, Chinwuba Victor Ossia, John Umunna Okoli

American Journal of Mechanical Engineering. 2016, 4(4), 124-130 doi:10.12691/ajme-4-4-1