Optimizing 2-dimentional shape of a submarine for reducing hydrodynamic noise

Reducing generated hydrodynamic noise by a submarine is very important in increasing its invisibility. In this paper, 2-dimensional shape of a submarine (vessel) is optimized to achieve least value of hydrodynamic noise. First, by defining velocity’s potential function and using Richardson’s separation method, velocity’s flow around vessel is computed. Then, standard deviation of velocity’s flow is considered as a cost function that will be minimized. Moreover, an iteration algorithm that is able to change shape’s boundaries is designed and vessel’s boundaries are determined in a way that cost function is minimized. So, vessel’s optimized shape with a minimized generated noise is achieved.