CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Main CFD Forum

Lattice Boltzmann method vs Finite Element Method and Finite Volume Method

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   September 29, 2011, 12:58
Default Lattice Boltzmann method vs Finite Element Method and Finite Volume Method
  #1
New Member
 
Khor Shu Heg
Join Date: Sep 2011
Posts: 1
Rep Power: 0
solemnpriest is on a distinguished road
I have come across some literatures on the usage of Lattice Boltzmann method (LBM) to solve problems in CFD. The main advantage of LBM over FEM and FVM is that it can be easily parallelized and computationally less costly.

I am curious however, that despite being around for quite some time, LBM has not become a main stream method like FEM or FVM.

My guess (forgive me if i am wrong) is that LBM might be less accurate than FEM and FVM for certain classes of problems.

Can anyone enlighten me on this matter? Thanks in advanced.
solemnpriest is offline   Reply With Quote

Old   September 30, 2011, 00:39
Default
  #2
Senior Member
 
Raashid Baig
Join Date: Mar 2010
Location: Bangalore, India
Posts: 136
Rep Power: 7
cfd_newbie is on a distinguished road
I am very curious about this too.
Some experienced members can share their thoughts on this.
Raashid

Last edited by cfd_newbie; September 30, 2011 at 05:32.
cfd_newbie is offline   Reply With Quote

Old   September 30, 2011, 09:43
Default
  #3
Senior Member
 
truffaldino's Avatar
 
Join Date: Jan 2011
Posts: 238
Blog Entries: 5
Rep Power: 8
truffaldino is on a distinguished road
Just a guess: Searching "Lattice Boltzmann Method + Pipe" in the google gives much more results than "Lattice Boltzmann Method + airfoil or wing", so probably BLM is not good for accurate external flow simulations.
truffaldino is offline   Reply With Quote

Old   August 12, 2013, 11:00
Default
  #4
New Member
 
An
Join Date: Feb 2011
Posts: 27
Rep Power: 6
mecobio is on a distinguished road
Quote:
Originally Posted by solemnpriest View Post
I have come across some literatures on the usage of Lattice Boltzmann method (LBM) to solve problems in CFD. The main advantage of LBM over FEM and FVM is that it can be easily parallelized and computationally less costly.

I am curious however, that despite being around for quite some time, LBM has not become a main stream method like FEM or FVM.

My guess (forgive me if i am wrong) is that LBM might be less accurate than FEM and FVM for certain classes of problems.

Can anyone enlighten me on this matter? Thanks in advanced.
Hopefully this answer is not too late:

1-It is not so popular as there are few people working/knowing LB than standard NS equation

2-According to this paper http://www.sciencedirect.com/science...2199910800538X
a comparison is made for LBM, which is a second order scheme (time and space) and require 588 operations per iteration. While the cheapest case is a NS code based on a centered finite difference scheme of second order in space and third in time requires 711 operations per iteration. This is mentioned in another thread in PowerFlow (LBE) vs. Traditional (Navier Stokes)?.

3-There are people who are using LBM with FDS, FVM, etc. However, that goes against the main LBM idea. I suggest you to read this paper:
http://www.sciencedirect.com/science...78475412001966
(also you can downloaded/read on http://www.scribd.com/doc/132100792/...ion-approaches)
where things are explained there.

Finally, have a nice reading
mecobio is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Control Volume Finite Element Method gerardosrez Main CFD Forum 0 March 16, 2011 15:49
Control Volume , Finite Volume, Finite Control Volume, Finite Element Method technocrat.prakash Main CFD Forum 1 April 24, 2010 19:24
Comparison: Finite Volume Method vs. Analytic Method m-fry Main CFD Forum 1 April 20, 2010 14:40
finite volume method co2 FLUENT 0 March 1, 2004 13:24
tidal flow simulation using finite volume method Jason Qiu Main CFD Forum 0 October 20, 2002 02:34


All times are GMT -4. The time now is 06:47.