基于融合动态图形和视觉感知的舰船立体流线造型优化设计

Optimization design of ship three-dimensional streamline modeling based on dynamic graphics and visual perception

设计融合动态图形和视觉感知的舰船立体流线造型优化方法,有效渲染舰船立体流线造型曲面,提升造型优化效果。依据视觉感知强度,划分舰船立体流线造型区域,获取不同视觉感知强度等级的区域;按照各区域内的视觉感知元素,计算视觉感知强度指数;以最大视觉感知强度指数为目标,建立舰船立体路线造型优化模型;利用自学习迁移粒子群算法求解优化模型,获取最大视觉感知强度指数及对应的造型优化方案;为优化后舰船立体流线造型曲面设计动态图形,输入动态图形处理器,利用基于投影网格的曲面渲染技术,渲染立体流线造型曲面。实验证明:该方法可有效优化舰船立体流线造型,提升舰船造型视觉效果;该方法渲染后的造型曲面网格间过渡非常平滑,具备较优的渲染效果。

A ship three-dimensional streamline modeling optimization method combining dynamic graphics and visual perception is designed to effectively render ship three-dimensional streamline modeling surface and improve the effect of modeling optimization. According to the visual perception intensity, the ship three-dimensional streamline modeling region was divided, and the regions with different visual perception intensity levels were obtained. According to the visual perception elements in each area, the visual perception intensity index was calculated. Aiming at the maximum visual perception intensity index, the ship three-dimensional route modeling optimization model was established. Self-learning transfer particle swarm optimization algorithm was used to solve the optimization model, and the maximum visual perception intensity index and the corresponding modeling optimization scheme were obtained. In order to design the dynamic graphics of the optimized ship solid streamline modeling surface, the dynamic graphics processor was input, and the surface rendering technology based on projection mesh was used to render the solid streamline modeling surface. Experimental results show that this method can effectively optimize the three-dimensional streamline modeling of ships and improve the visual effect of ship modeling. The modeling surface rendered by this method is very smooth between meshes and has better rendering effect.