水中爆炸产生的水柱运动实时模拟

Real-Time Simulation of Water Columns Generated by an Underwater Explosion

给出了一种模拟炮弹在水中爆炸而产生的水柱运动的方法。通过分析水中爆炸的物理现象,建立了构成水柱的各水粒子的初始速度计算模型,结合水粒子的受力情况,给出了水粒子的运动方程。为满足实时性要求,使用垂直于当前视线的平面上的一小块圆形区域,结合纹理映射的方法,对水粒子团进行造型。实验结果表明,该方法可同时满足实时性和逼真性的要求。

A method is proposed to simulate water columns generated by an underwater explosion. The physical phenomena of underwater explosion are analyzed, and the initial velocity equations and dynamics equations of water particles which compose the water columns are set up. For a real-time requirement, each water particle cluster is rendered as a small circular area in a plane that faces the viewer, and this small area is texture-mapped with a pre-captured image of water particle cluster, with an intensity-based alpha channel. Examples illustrate that the method can meet the requirements of real-time and reality.