Animating smoke with dynamic balance

Jin-Kyung Hong; Chang-Hun Kim

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Animating smoke with dynamic balance

机译：动态平衡烟雾动画

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摘要

We propose a numerical method for maintaining a dynamic rolling motion of animated gaseous phenomena, such as smoke, that avoids dissipation due to numerical error. We compensate for the errors induced by a semi-Lagrangian scheme using an error estimate for each time interval. We develop a new advection term and perform vortex advection based on a vorticity confinement force. Example simulations show that this method is able to keep smoke features alive, even near the center of a vortex.

机译：我们提出了一种数值方法来保持动画气态现象（例如烟）的动态滚动运动，从而避免了由于数值误差引起的耗散。我们使用每个时间间隔的误差估计值来补偿由半拉格朗日方案引起的误差。我们开发了一个新的对流项，并基于涡度约束力进行涡流对流。实例仿真表明，该方法即使在涡旋中心附近也能够使烟雾特征保持活动状态。

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来源
《Computer Animation and Virtual Worlds》 |2005年第4期|p.405-414|共10页
作者
Jin-Kyung Hong; Chang-Hun Kim;
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正文语种 eng
中图分类计算机的应用;
关键词
computer animation; fluid animation; gaseous phenomena; advection; numerical dissipation; vorticity confinement;

机译：计算机动画;流体动画;气态现象;对流;数值耗散;涡度限制;

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专利

1. Animating smoke with dynamic balance [J] . Jin-Kyung Hong, Chang-Hun Kim Computer Animation and Virtual Worlds . 2005,第3a4期

机译：动态平衡烟雾动画
2. CFD: A New Way to Design Atrium Smoke Control - Once the stuff of supercomputers, computational fluid dynamics is bringing effective smoke-control design to desktops [J] . John H. Klote HPAC engineering . 2006,第6期

机译：CFD：一种设计中庭烟雾控制的新方法-超级计算机一经使用，计算流体动力学就将有效的烟雾控制设计带到了台式机上
3. Animate and Inanimate Words Demonstrate Equivalent Retrieval Dynamics Despite the Occurrence of the Animacy Advantage [J] . Michael J. Serra Frontiers in Psychology . 2021,第a期

机译：动画和无生命的单词表明了相当于检索动态，尽管发生了动画优势
4. Dynamics of optical-microphysical characteristics of smokes from Siberian wildfires in the Big Aerosol Chamber at the stages of smoke generation and ageing [C] . V.S. Kozlov, I.B. Konovalov, V.N. Uzhegov, International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics . 2020

机译：烟雾发电阶段的西伯利亚野火中吸烟的烟雾的光学 - 微物理特征动态
5. Exercise training with combined balance-velocity, balance-resistance, and balance alone after 60: Effects on dynamic balance [D] . Zeug, Krista. 2005

机译：运动训练结合平衡速度，平衡抵抗力和60后的单独平衡：对动态平衡的影响
6. Animate and Inanimate Words Demonstrate Equivalent Retrieval Dynamics Despite the Occurrence of the Animacy Advantage [O] . Michael J. Serra 2021

机译：尽管发生了动画优势但是动画和无生命的单词展示了等同的检索动态
7. Revealing glacier flow and surge dynamics from animated satellite image sequences: examples from the Karakoram [O] . Paul, Frank 2015

机译：从动画卫星图像序列揭示冰川流动和涌动动力学：喀喇昆仑山脉的例子
8. Animated Computer Graphics of Rolling Bearing Dynamics [R] . Gupta, P. K. 1996

机译：滚动轴承动力学的动画计算机图形学

Animating smoke with dynamic balance

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