Association Technique Maritime et Aéronautique

Numéro : 2276 - Year : 1996

Non linear wave resistance calculation application to different type of ships

F. ROUFFI, Société Técimar / Génimar

 

We present the software Odyssey which cornputes the wave resistance of ships in inviscid fluid theory. Its originality lies ill the treatrnent of the free surface. Full non linear equations are implemented and applied on the true geornetry of the free surface.

We are thus up to cornpute particular ships with slender tip shapes (such as counter stern, or lea.ned stern) in a sprea.d speed range.

The sofware has been especia.lly helpful in the design of a nan-conventional trawler. The optimisation reached thallks ta calculations, \vas confirmed by to\ving tank experiment resutts. Other applicatiolls are presented, leading to a partial analysis of the code possibilités.

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