| 树在风中摆动的计算机实时模拟方法研究 |
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| 引用本文： | LI Zhan-li,千叶则茂.树在风中摆动的计算机实时模拟方法研究[J].系统仿真学报,2008,20(8):2085-2091. |
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| 作者姓名： | LI Zhan-li 千叶则茂 |
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| 作者单位： | 1. Department of Computer Science, Xi'an University of Science and Technology, Xi'an 710054, China
2. 岩手大学工学部,盛冈市,0208550 |
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| 摘 要： | 提出了一种生成树叶和树枝在风中摆动动画的计算机方法,该方法考虑了风速、风力和噪音.根据空气动力学给出了一个能很好反映风的物理作用的计算公式,并在力学分析的基础上给出了计算树叶和树枝变形的数学公式,利用这些公式,并结合1/fβ噪音技术,可以计算每一个树叶和树枝的变形,进而可以得到整个树的变形.利用这种方法可以很快得到树在风中摆动的效果,实现树在风中摆动的计算机模拟.
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| 关 键 词： | 实时动画 模拟 树 数学模型 力学分析 |
Research on Real-time Animation of Trees Swaying in Wind |
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| LI Zhan-li,Norishige CHIBA.Research on Real-time Animation of Trees Swaying in Wind[J].Journal of System Simulation,2008,20(8):2085-2091. |
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| Authors: | LI Zhan-li Norishige CHIBA |
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| Abstract: | A real-time method was proposed to generate the natural motions of individual leaves and branches swaying in wind, in which the wind speed, wind force and noise were taken into account, a proper calculating formula to well reflect the physical effect of wind was proposed based on the aerodynamics, and simple formulas to compute the deformation of leaves and branches were given based on the force analysis. Based on these formulas and 1/fβ noise, the deformation of every branch and leaf was computed, and then the deformation of the whole tree was got, which could quickly obtain the motion of a tree in wind. |
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| Keywords: | real-time animation simulation tree mathematic model force analysis |
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