Hull form optimization research based on multi‐precision back‐propagation neural network approximation model
Jie Liu,
Baoji Zhang,
Yuyang Lai
et al.
Abstract:In order to shorten the optimization cycle of ship design optimization and solve the time‐consuming problem of computational fluid dynamics (CFD) numerical calculation, this paper proposes a multi‐precision back‐propagation neural network (MP‐BP) approximation technology. Fewer high‐precision ship samples and more low‐precision ship samples were used to construct an approximate model, back‐propagation (BP) neural network was used to train multi‐precision samples. So that the approximate model is as close as po… Show more
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