The paper presents a method on real time generation of dynamic dense smoke based on aerodynamics and the particle system theory.
基于气体动力学和粒子系统理论，本文给出了一种实时生成动态浓烟的方法。
The traditional and important method for the vehicle aerodynamics is wind tunnel test, which demands strict requirement of the experimental facilities, as well as a long experimental period.
汽车空气动力学研究的传统方法是风洞试验，此方法对试验设施要求较高，并且研究周期较长。
By using the method of Orthogonal design this paper investigates the effects of the two-element sail on its aerodynamics performance and the matching of the main sail and the auxiliary one.
本文用正交设计方法较系统地研究了对二元素帆气动特性的影响因素和主、副帆间的配合问题。
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