WAMIT Tools

HAPiWEC – Linear potential flow modelling of COERbuoy at various scales

0.40.60.811.21.41.61.822.205k10k15k20k T_n = 1.26s (PL Case 0) T_n = 1.03s (PL Case 1) T_n = 0.84s (PL Case 2)010002000300040005000diameter = 1.000mdraft = 0.562m (under preload) Preload CasePreload displ. (z_pl)Unloaded draft (d)WEC massDisplaced massF_pl (constant)|F_pto| (cc) @T=2s|F_pto| (res) @T=2s00.0m0.562m206.1kg0.0kg0.0kN9.81kN/m2.83kN/m d10.125m0.438m115.1kg91.0kg0.89kN11.85kN/m2.87kN/m d z_pl20.250m0.312m46.0kg160.1kg1.57kN13.41kN/m2.90kN/m d z_pl−1−0.500.511.5−2−1.5−1−0.50
Complex conj. ctrl (PL Case 2)Complex conj. ctrl (PL Case 1)Complex conj. ctrl (PL Case 0)Resistive ctrl (PL Case 2)Resistive ctrl (PL Case 1)Resistive ctrl (PL Case 0)Period, T [s]x [m]|F​pto|/(wave amplitude) [N/m](Normalised PTO force)|F|/(wave amplitude) [N/m](Norm. excitation force)z [m]scale 1:8scale 1:9scale 1:10scale 1:11scale 1:12scale 1:13scale 1:14scale 1:15scale 1:16scale 1:17scale 1:18scale 1:19scale 1:20scale 1:25