Talk:Large eddy simulation
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[edit]The page has grown quite a bit since the article class was assessed as "stub". I've changed the class to "start" and added a Wikiproject Physics quality control reviewing cheatsheet (see Wikipedia:WikiProject_Physics/Quality_Control. --Charlesreid1 (talk) 08:41, 30 October 2010 (UTC)
Reviewing Cheatsheet
[edit]- The following highlights current issues. Feel free to either add the issues you've identified, or to strike them as they've been resolved.
WikiProject Physics' Reviewing Cheatsheet
Part of WikiProject Physics Quality Control
Do not remove the elements, but rather strike them as they becomes useless or irrelevant (i.e write
<s>text to be struck</s>) to indicate that this element was verified and found to be all right.
If everything in one of the section (i.e everything in one hidden-box has been addressed), change the color of the section from "red" to "green".
This cheatsheet can be used by anyone.
To add the Reviewing Cheatsheet to an article's talk page, simply place {{subst:Wikipedia:WikiProject Physics/Quality Control/Reviewing Cheatsheet}} immediately before the first section.
- Add/Expand :
- The following sections needs to be expanded/created :
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I've added a lead paragraph describing filtering, which I see as critical to any explanation of LES. However, the lead paragraphs are longer than the "Details" paragraphs. The lead should be shortened to give a more succinct and encyclopedic definition of LES, and the details about computational cost and comparisons to RANS and DNS should be moved into a separate section (where it could also be given a more "proper" treatment). --Charlesreid1 (talk) 22:17, 1 November 2010 (UTC)- Done. Added an additional paragraph to the lead describing why LES is used, and removed the existing paragraphs, which gave too many details about the relative costs of RANS, LES, and DNS, as well as the weaknesses of LES. This content will be moved elsewhere. --Charlesreid1 (talk) 09:56, 2 November 2010 (UTC)
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- Overview
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The references in this article have been an issue for a while, I'm planning on adding more inline citations and expanding the references used. There are several very nice books on LES that should at the very least be listed as "External References". --Charlesreid1 (talk) 22:17, 1 November 2010 (UTC)- Added Smagorinsky 1963 to introduction. Added Sagaut 2006 and Leonard 1974 to new filtering section. --Charlesreid1 (talk) 09:56, 2 November 2010 (UTC)
Added some references to the lead related to various applications of LES. --Charlesreid1 (talk) 16:49, 2 November 2010 (UTC)
- Done. I'm marking this as complete, since there are now multiple references from reliable sources, with a few more to be added. --Charlesreid1 (talk) 23:56, 3 November 2010 (UTC)
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- Direct numerical simulation
- Filtering operation
- Gallilean invariance
- Reynolds-averaged Navier-Stokes equations
Turbulence
- Done. --Charlesreid1 (talk) 23:56, 3 November 2010 (UTC)
Disambiguation :
The following elements needs to be disambiguated :(does not apply)
The following pages should redirect here :
Consider referring these section to a main article :
Filters (large eddy simulation) - much of the (very extensive) theory behind LES filtering doesn't seem to be contained in the Filter (signal processing) or related pages. Maybe this could be put into a new article. --Charlesreid1 (talk) 09:56, 2 November 2010 (UTC)
- Done. Created a new article dedicated to LES filters (and added the {{Main}} template. --Charlesreid1 (talk) 21:45, 6 November 2010 (UTC)
The following elements may be too technical for the casual reader, consider defining and explaining them to non-experts:
Filtering terminology/sections are getting to be a little technical-jargon-y. That's part of the reason for proposing moving everything into a new Filtering (large eddy simulation) article. There's certainly plenty to cover with respect to filtering. --Charlesreid1 (talk) 08:51, 4 November 2010 (UTC)
- Done. --Charlesreid1 (talk) 21:45, 6 November 2010 (UTC)
- Merge/Split :
Consider merging or splitting these sections with another article, or merging another article's section with this one (give reason):
- Should refer to Turbulence page's discussion of Kolmogorov 5/3 spectra when I get to the point of discussing turbulence spectra --Charlesreid1 (talk) 10:13, 2 November 2010 (UTC)
- Infoboxes and Navboxes :
- The following list of navboxes and infoboxes could be useful :
- WikiProject Physics templates (browse)
- Physics navboxes (browse)
Maybe create a navbox for turbulence? --Charlesreid1 (talk) 10:13, 2 November 2010 (UTC)- Done.
- Update :
- These sections or statements are out of date :
Modeling the Subgrid-Scale Stress Tensor - needs to be significantly expanded, as this is the "meat and potatoes" of LES research. Some common SGS models should be mentioned, if not defined. Sagaut (2006) contains a thorough listing of all SGS models, although it is a bit too thorough and not all of the models mentioned in Sagaut should be included on this page. The section should discuss both spatial and spectral models. Also, some mention of subgrid scalar modeling is needed. --Charlesreid1 (talk) 09:56, 2 November 2010 (UTC)
Derivation - I don't see how this section contributes to an understanding of what LES is. Plus, it's not even for a general case - it's for a special case of Cartesian coordinates, incompressible flow, filters that commute with derivatives, homogeneous isotropic filter, etc etc. This derivation of the filtering operation applied to a PDE is best left to a reference. --Charlesreid1 (talk) 09:56, 2 November 2010 (UTC)
Fourier (wave-number) space - there is no mention of the (very important) concept of Fourier space and how it is utilized in LES (e.g. what the filter operation looks like in Fourier space). I believe this would contribute significantly to the article, and would allow for a nice discussion of the turbulent kinetic energy spectra and what the different filtering operations do to the KE spectra. --Charlesreid1 (talk) 09:56, 2 November 2010 (UTC)
Verify :
The following needs to be verified :
Values of the various constant and measurements(does not apply, no constants/measurements given in article)Factual accuracy(The information presented is coming from reputable references, there is no original research or new ideas.)References(References included are well-known in the turbulence community and are widely cited.)Name of the article(does not apply.)Up-to-date-ness(References are all current.)
Done. --Charlesreid1 (talk) 18:56, 2 November 2010 (UTC)
- Problems:
- The following problems have been identified :
Neutrality is compromised(not an issue)Minority views are given too much exposure(not an issue)Weasel words and peacock terms(removed)Editorial feel(removed)Use of other Wikipedia articles as references(not an issue)
- Done. --Charlesreid1 (talk) 21:48, 6 November 2010 (UTC)
Talk Page :
- Please structure and clean up the talk page according to this:
- Archive old and irrelevant discussions
Consider structuring discussion according to "topics"
Sort boxes in this order (consider adding them if they aren't there):
- {{skiptotoctalk}}
- {{talkheader}}
- {{ArticleHistory}}
- Wikiprojects (browse to find other relevant projects)
If there are more than one WikiProject, use {{WikiProjectBanners}} and order them alphabetically within the banner.
WP 0.5/1.0 Editorial Team,- WP Echo
- Other boxes
To do box
Archive box(not needed)
Update importance and rating
Categorize
- Make sure the article is properly categorized :
- Browse Category:Physics, to find other categories
- Do not overcategorize
Categorize alphabetically
Done --Charlesreid1 (talk) 07:18, 14 November 2010 (UTC)
Copyright :
The following elements are copyrighted and are not fair use.
Done --Charlesreid1 (talk) 07:18, 14 November 2010 (UTC)
Requests :
Consider making a request to these people (give reason):
Done --Charlesreid1 (talk) 07:18, 14 November 2010 (UTC)
Miscellaneous remarks :
Science
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