基于多波模型和多策略的真实海浪仿真研究  

Real Simulation of Waves Based on the Multicast Model and More Strategy

作　　者：魏松[1] 申闫春[1] 

机构地区：[1]北京信息科技大学计算机学院,北京100192

出　　处：《计算机仿真》2011年第10期257-261,共5页Computer Simulation

基　　金：北京市属高等学校人才强教深化计划"学术创新团队建设计划"项目(PHR201007131)

摘　　要：海浪运动随机性大、波谱范围宽,且涌浪波谱窄、能量大,是仿真大规模海浪的难点所在。针对难点问题,采用频率等分方法对海浪波进行区间等分分割,获取海浪真实性有效数据区域,提出了一种在Gerstner软件上扩展多波模型叠加LOD多情况绘制策略的海浪仿真模型。使用P-M波浪谱和SWOP观测数据求解真实海浪一系列参数,完成了海浪模型的真实造型;叠加LOD视点算法和多情况绘制策略解决了海浪模拟实时性问题。基于多波模型,设计了海浪仿真的UML类图,并运用Direct3D技术实现了海浪的实时仿真。实验证明,等分方法能够满足海浪真实场景实时仿真的要求,取得了较好的实验效果。in waves simulation,the difficulties are the waves＇s random activity,the wide spectrum,the surge＇s narrow waves spectrum and the large energy This paper presented a wave simulation theory model based on Gerstner and overlapped the LOD algorithm.Using the frequency quintiles method to divide the ocean wave interval equally,and P-M wave spectrum and SWOP observation data were used to solve a series of analog parameters and complete the ocean wave type modelling;Using LOD viewpoint superposition algorithm and mapping strategy to solve the real-time problems during the waves simulation.Based on the model,this article also put forward a UML class diagrams,meanwhile,used Direct3D technology to achieve the real-time and real simulation of waves.The experiments prove that this method can satisfy the requirements of real-time and real waves simulation,and achieve good experimental results.

关 键 词：海浪模拟 扩展多波模型 多情况绘制策略 三维技术 频率等分 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]