Lattice Boltzmann simulation of behaviour of particles moving in blood vessels under the rolling massage

The rolling massage is one of the most important manipulations in Chinese massage,which is expected to eliminate many diseases.Here,the effect of the rolling massage on a pair of particles moving in blood vessels under rolling massage manipulation is studied by the lattice Boltzmann simulation. The simulated results show that the motion of each particle is considerably modified by the rolling massage,and it depends on the relative rolling velocity, the rolling depth,and the distance between particle position and rolling position. Both particles＇translational average velocities increase almost linearly as the rolling velocity increases,and obey the same law. The increment of the average relative angular velocity for the leading particle is smaller than that of the trailing one. The result is helpful for understanding the mechanism of the massage and to further develop the rolling techniques.

滚法推拿的晶格玻尔兹曼模型

中医推拿活血化淤、疏经通脉的机理研究一直是学术界的研究热点。为了用晶格玻尔兹曼方法研究血液微循环在滚法推拿时血液流量的变化,将血液视为不可压缩的牛顿流体,建立正弦式的滚法推拿模型,解决了圆弧式的滚法推拿模型的奇异性问题,进一步研究了推拿对动脉血管中血液流的影响,探索中医推拿的活血化淤的原理和微循环的机理。

用晶格玻尔兹曼方法研究滚法推拿

用晶格玻尔兹曼方法(lattice Boltzmann method-LBM)研究血液微循环中血液的运动,通过将毛细血管近似为弹性管,把血浆和红细胞内容物视为不可压缩的牛顿流体,而其中膜和毛细血管用曲线边界条件实现,流体对膜的作用力并用压力张量积分法计算。运用让弹性管发生周期性的形变模拟中医滚法推拿的手法,探索中医推拿的活血化淤的原理和微循环的机理。

滚法推拿驱动下血液流的晶格玻尔兹曼方法模拟

通过建立晶格玻尔兹曼方法中正弦式的滚法推拿模型,研究了动脉血管中没有压差、没有脉动时推拿对血液流的驱动。展示了在推拿作用下血管内的流场的变化,并分析该变化流场的物理机制。