Wasim allows non-linear time domain hydrodynamic analysis of vessels with forward speed, including calculation of global motions and local pressure loading on the vessel.

Wave loads on Vessels with Forward Speed
Wasim is a hydrodynamic program for computing global responses and local loading on vessels moving at any forward speed as long as the vessel is not planing. The simulations are carried out in the time domain, but results may also be transformed to the frequency domain using Fourier transformations.

The program solves the fully 3-dimensional radiation/diffraction problem by a Rankine panel method. For these methods panel models are required for both the hull and the free surface. Wasim has its own mesh generator, with the geometry of the hull being supplied by the user.

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