Numerical Investigation Inabroken Cabin Based On CFD

In maintaining maritime sovereignty, submarine plays an important role so that theanti-sanking become a hot point for research again. This paper try to do some research ondamaged submarine including following several aspects.First, introduce the development on the anti-sanking of submarine and the status ofresearch in this field. Ultimately, this paper adopts the numerical simulation to caculate thephysical process of damaged cabin.Second, theory knowledge and the mathematical principle of numerical calculation areintroduced to prove rationality of RNG k turbulence model, VOF method and PISOalgorithm. In the meantime, the mathematical model of damaged cabin in water is also given.Third, this paper simulate a simple model to analyse the water flow of this physicalprocess though listing some screenshots of typical gas-liquid distribution. Verify thecorrectness by mathematical calculation, and then analyse the effect of air cushion, pressureand crevasse size in this problem.Fourth, this paper finish the numerical calculation of the real scale cabin to show that themethod is feasible to simulate actual cabin. Further more, the experiment device is introducedand finish the numerical simulation after a reasonable simplification to give an intuitiveunderstanding and analyse the differences between the actual and experiment.Fiveth, this paper make a summary at the end, the full paper mainly presents thenumerical simulation method and prove its correctness, but something like temperature field,pressure field and so on, needs a detailed analysis of further research.