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A new approach for the supercavitating hull optimization was proposed, whichcombines the CFD simulation and analytical methods. The high-speed penetrationinto water at the velocity 1 km/s was considered with the fixed body mass andcaliber. Six different axisymmetric hulls with disc, 30{\deg} and 10{\deg}conical cavitators were simulated with the use of FLUENT at the first stage ofpenetration (till the 6 m depth). The optimized hull shapes were calculatedwith the use of quasi-steady approach and the characteristics obtained by CFDsimulation. The use of slender cavitators drastically decreases the localpressures, but the higher friction drag also reduces the depth ofsupercavitating penetration. Optimized conical hulls can ensure much deeperpenetration in comparison with the initial cylindrical hulls. The slenderestcavitator with the cylindrical hull ensures small loads and very deeppenetration.

Finding optimal hull shapes for fast vertical penetration into water