【资源】论文——多孔介质

juzizi

谢谢楼主，分享了哈~~

liuyu78911120

下来学习下，谢谢

ydt

我也在研究多孔介质，用LBM，但我不知道如何计算孔隙压力，计算公式是怎样的。谢谢了。

ydt

我现在用LBM模拟水在多孔介质的流动，边界条件是压力边界，想得到孔隙水压力，如何计算呀，高手指点一下。

gjmhit

谢谢，楼主！

陈佳jiaer

谢谢楼主

yhwqselina

感谢楼主，先下下来学习

hkbluemoon

谢谢楼主分享

hellolegend

哪位有Pan博士的学位论文，请发一份给我。
Use of pore-scale modeling to understand transport phenomena in porous media.pdf

已有人发过来了。

[ 本帖最后由 hellolegend 于 2011-2-15 12:13 编辑 ]

luo@odu.edu

Flow through porous media is one of the most successful applications of the LB method, if not the most successful one. However, one must watch out some pitfalls. The most common error in literature is using the lattice BGK model, which CANNOT accurately realize the no-slip boundary conditions; and the no-slip boundary conditions are the most crucial component in flows through porous media.

The most important work in this field, in my view, is done by I. Ginzburg et al. The problem is, the papers by Ginzburg are usually hard to read. However, if you can go through one of them and understand it thoroughly, you will be able to master the LB techniques.

One serious problem in scientific research is that there is too much information (or pollution of information), and too little discrimination of information. To pose information is useful, but it's not necessary now-a-days for it is ready available online. It would be much better to share some research experiences here.

-- LSL

hellolegend

请教Luo教授
如果在模拟多孔介质时不用lattice BGK模型，什么模型精度要高一些，满足no-slip边界条件？
Ginzburg的论文是Ginzburg, Irina, d'Humieres, Dominique. Multireflection boundary conditions for lattice Boltzmann models. Physical Review E, 2003, 68: 066614吗？
感谢Luo教授的指点！

[ 本帖最后由 hellolegend 于 2011-2-21 10:16 编辑 ]

luo@odu.edu

Dear HelloLegend,

You must use the so-call multiple-relaxation-time (MRT) or at least two-relaxation-time (TRT) model. This can be rigorously shown by solving the Poiseuille (channel) flow analytically. The first reference on this (analytic solution) is by Ginzburg and Adler, J. Phys. II (1994). There are two papers with my name on them, which are related to this matter:

C. Pan, L.-S. Luo, and C.T. Miller.
An evaluation of lattice Boltzmann schemes for porous medium flow simulation.
Computers & Fluids 35(8/9):898-909 (September, 2006).

F. Verhaeghe, L.-S. Luo, and B. Blanpain.
Lattice Boltzmann modeling of microchannel flow in slip flow regime.
Journal of Computational Physics 228(1):147-157 (January, 2009).

You can download them on my website (www.lions.odu.edu/~lluo).

-- LSL

我爱慧慧1314

有谁可以给我发一下Pan的博士论文，chenqing86878@sohu.com

hellolegend

非常感谢Luo教授的指导！

guohf00001

不错，谢谢楼主