Commits on Sep 7, 2024

1. HD: Bug fix for potential-flow wave excitation with multiple bodies a… …

   …nd large yaw offset
   
   Two bugs are identified that lead to incorrect potential-flow wave excitation when multiple bodies are present with large yaw offset (PtfmRefY!=0):
   * When NBodyMod=1 and NBody>1, only the wave excitation on the first body is transformed back to the inertial frame in WAMIT_Init.
   * When PtfmRefY!=0 with PtfmRefxt or PtfmRefyt being nonzero, there is effectively a displacement of each potential-flow body due to platform yaw offset when precomputing the wave excitation each body. In other words, the effect of this baseline displacement is already baked into the precomputed wave excitation, so it needs to be subtracted from the total body displacement when interpolating the wave excitation in WAMIT_CalcOutput if ExctnDisp>0.

   

   luwang00 committed Sep 7, 2024
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