Ship designs with captured air plenums can provide benefits of reduced resistance and improved seakeeping performance. In order to design such ships, hydrodynamics computations are needed. We have extended our boundary element method code, 3DYNAFS, to the study of multi-hulls with air plenums and to predict wave resistance in the presence of the air plenum free surface. We also utilized an Unst...

The use of aluminum alloys in the design of naval structures offers the benefit of light-weight ships that can travel at high-speed. However, the use of aluminum poses a number of challenges for the naval engineering community including higher incidence of fatigue-related cracks. Early detection of fatigue induced cracks enhances maintenance of the ships and is critical for preventing the catas...

for the 20 International Workshop on Water Waves & Floating Bodies, Longyearbyen, Spitsbergen, May 29-Jun 1, 2005. Interference Resistance of Multi-Hulls per Thin-Ship Theory Ronald W. Yeung Mechanical Engineering & Ocean Engineering University of California at Berkeley Berkeley, California 94720-1740, USA. E-mail: [email protected] To a colleague and good friend, Nick Newman, in celebration...