Yu Bi
Ansys Employee

 

Hi, this should be caused by the buoyancy on the cable being larger than its gravity. You may need to check if the weight per meter of the cable and equivalent cross-section area in the catenary section detail panel are set correctly. I guess the wet weight in your table should mean the dry weight of the cable minus the buoyancy of the cable. The buoyancy of the cable is calculated based on the equivalent cross-section area.