Formulae on the base vectors and the coordinate variables derivative going with fluidparticle and their application;
因为标量与坐标系无关，故两个矢量的点积称为标量不变量。
2
This paper presents a real time cartoon smoke simulation algorithm based on fluid dynamics and particle system.
提出一种流体力学模型结合粒子系统的卡通烟雾实时模拟算法。
3
Cyclone separator is a kind of equipment that USES rotary motion of gas-solid two-phase fluid to make the solid particle separated from the gas flow by centrifugal force.