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|align="left" style="background-color:#FFFFE6; border:1px solid #D5D5BB; padding-left:10px; padding-right:10px; padding-top:5px; padding-bottom:5px;"|'''[[CFD-Wiki:Introduction|Welcome to CFD-Wiki]]''' - a ''CFD Online'' project to create the ultimate free CFD reference. CFD-Wiki is written by hundreds of volunteer authors from around the globe. Please join us and [[CFD-Wiki:Contribute something today|contribute something today]] you to! You can also help us by [[CFD-Wiki:Donate texts|donating your reports and thesises]]. We are currently working on [[Special:Statistics|{{NUMBEROFARTICLES}}]] [[Special:Allpages|articles]]. This Wiki is very much in its early stages and was launched publicly on Nov 20.
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|align="left" style="background-color:#FFFFE6; border:1px solid #D5D5BB; padding-left:10px; padding-right:10px; padding-top:5px; padding-bottom:5px;"|'''[[CFD-Wiki:Introduction|Welcome to CFD-Wiki]]''' - a community project to create the ultimate, free Computational Fluid Dynamics reference. CFD-Wiki is written by thousands of volunteer authors from around the globe. Please join us and [[CFD-Wiki:Contribute something today|contribute something today]]! CFD-Wiki will never be better than the information we all fill it with. We are currently working on [[Special:Statistics|{{NUMBEROFARTICLES}}]] [[Special:PopularPages|articles]]. '''Also please help to spread the word about CFD-Wiki by using the [http://www.cfd-online.com/Tellafriend/wiki.php tell a friend] tool or [http://www.cfd-online.com/Marketing/wiki.php#linking linking to CFD-Wiki].'''
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[[CFD-Wiki:Introduction|Introduction]]<br />[[Help:Contents|Help]], [[CFD-Wiki:FAQ|FAQ]]<br />[http://www.cfd-online.com/Forum/wiki.cgi Forum]''
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[[CFD-Wiki:Introduction|Introduction]]<br />[[Help:Contents|Help]]<br /> [[CFD-Wiki:FAQ|FAQ]]<br />[http://www.cfd-online.com/Forum/wiki.cgi Forum]''
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==CFD-Wiki content==
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===[[Reference section]]===
===[[Reference section]]===
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:[[Fluid dynamics]], [[Turbulence modeling]], [[Numerical methods | Numerics]], [[Meshing]], ...
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:[[Fluid dynamics]], [[Turbulence modeling]], [[Numerical methods | Numerics]], [[Meshing]], [[Cavitation modeling]], [[Non-equilibrium Flow]]...
===[[Special topics]]===
===[[Special topics]]===
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: [[Aero-acoustics and noise|Acoustics]], [[Combustion]], [[Turbulence]], ...
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: [[Aero-acoustics and noise|Acoustics]], [[Combustion]], [[Parallel computing]], [[Turbulence]],[[Transition to turbulence]],[[Shape Design Optimization]], ...
===[[Application areas]]===
===[[Application areas]]===
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: [[Aerospace]], [[Automotive]], [[Turbomachinery]], ...
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: [[Aerospace]], [[Architecture]], [[Automotive]], [[Turbomachinery]], [[Water and Wastewater]]...
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===[[Best practise guidelines]]===
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===[[Best practice guidelines]]===
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: [[Best practise guidelines for automotive CFD|Automotive]], [[Best practise guidelines for turbomachinery CFD |Turbomachinery]], [[Best practise guidelines for heat tranfer simulations | Heat Transfer]], ...
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: [[Best practice guidelines for automotive CFD|Automotive]], [[Best practice guidelines for turbomachinery CFD |Turbomachinery]], [[Best practice guidelines for heat transfer simulations | Heat Transfer]], ...
===[[Validation and test cases]]===
===[[Validation and test cases]]===
: [[Validation and test cases#1-D test cases|1D Cases]], [[Validation and test cases#2-D test cases|2D Cases]], [[Validation and test cases#3-D test cases|3D Cases]], ...
: [[Validation and test cases#1-D test cases|1D Cases]], [[Validation and test cases#2-D test cases|2D Cases]], [[Validation and test cases#3-D test cases|3D Cases]], ...
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===[[What is Open Source?| The Open Source Section]]===
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: [[What is Open Source? |Introduction]]
===[[Codes]]===
===[[Codes]]===
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===[[Source code archive]]===
===[[Source code archive]]===
: [[Source code archive - educational|Educational]], [[Source code archive - code snippets|Code snippets]], ...
: [[Source code archive - educational|Educational]], [[Source code archive - code snippets|Code snippets]], ...
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===[[History of CFD]]===
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: [[Historical perspective]], [[Hall of fame]], [[Famous achievements in CFD]], ...
===[[FAQ's]]===
===[[FAQ's]]===
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: [[General CFD FAQ|General CFD]], [[Ansys FAQ|Ansys]], [[CD-adapco FAQ|CD-adapco]], [[Fluent FAQ|Fluent]], [[Numeca FAQ|Numeca]], [[CHAM FAQ|Phoenics]], [[CFD-Wiki:FAQ|CFD-Wiki]], ...
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: [[General CFD FAQ|General CFD]], [[Ansys FAQ|Ansys]], [[CONVERGE FAQ|CONVERGE]], [[Fluent FAQ|Fluent]], [[CHAM FAQ|Phoenics]], [[Siemens FAQ|Siemens]], [[CFD-Wiki:FAQ|CFD-Wiki]], ...
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===[[Previous featured articles|Featured article]]===
===[[Previous featured articles|Featured article]]===
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[[Image:Davinci_turbulence_small.gif]]
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[[Image:X-43A_(Hyper_-_X)_Mach_7_width_300px.jpg]]
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==[[Turbulence]]==
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==[[Baldwin-Lomax model]]==
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Turbulence is that state of fluid motion which is characterized by apparently random and chaotic three-dimensional vorticity. When turbulence is present, it usually dominates all other flow phenomena and results in increased energy dissipation, mixing, heat transfer, and drag... ''[[Turbulence|more]]''  
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The Baldwin-Lomax model is a classical algebraic turbulence model which is suitable for high-speed flows with thin attached boundary-layers, typically present in aerospace and turbomachinery applications. The Baldwin-Lomax model is not suitable for cases with large separated regions and significant curvature/rotation effects..
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''[[Baldwin-Lomax model|more]]''  
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''This excellent introduction to Turbulence, based on a text by Prof. William K. George, is a good start for any beginner in fluid dynamics. The full text is not available yet but it is still worth a visit.''
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''This article is a good example of a description of a turbulence model. [[Validation and test cases]] is the current focus area of CFD-Wiki. So don't hesitate, write something about your favourite test or validation case today!''
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==CFD-Wiki project - ''this section is not finished yet!''==
 
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[[CFD-Wiki:Donate texts|Donate texts]],
[[CFD-Wiki:Donate texts|Donate texts]],
[[CFD-Wiki:Donated texts|Donated texts]],
[[CFD-Wiki:Donated texts|Donated texts]],
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[[CFD-Wiki:Sandbox|Sandbox]]
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[[CFD-Wiki:Stub|Stubs]],
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[[CFD-Wiki:Sandbox|Sandbox]],
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[[CFD-Wiki:Wish list|Wish List]]
===Help & resources===
===Help & resources===
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===Policies and guidelines===
===Policies and guidelines===
[[CFD-Wiki:Policy|Policy]],
[[CFD-Wiki:Policy|Policy]],
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[[CFD-Wiki:Format and style guide]]
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[[CFD-Wiki:Format and style guide|Style guide]]
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[[CFD-Wiki:Stub|Stub]],
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===Administration===
===Administration===
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[[CFD-Wiki:Administrators|Administrators]],
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[[CFD-Wiki:Administrators|Admins]],
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[[CFD-Wiki:Suggested administrators|New administrators]],
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[[CFD-Wiki:Suggested administrators|New admins]],
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[[CFD-Wiki:Administration guide| Guide]],
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[[CFD-Wiki:Spam blacklist| Blacklist]]
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===Small print===
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===Small print===  
[[CFD-Wiki:Copyrights|Copyrights]],
[[CFD-Wiki:Copyrights|Copyrights]],
[[CFD-Wiki:GNU Free Documentation License|License]],
[[CFD-Wiki:GNU Free Documentation License|License]],
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===[[CFD-Wiki:Old project news|Project news]]===
===[[CFD-Wiki:Old project news|Project news]]===
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'''[[CFD-Wiki:20 November 2005|20 November 2005]]''': CFD-Wiki launched to the public --[[User:Jola|Jola]] 18:12, 19 November 2005 (MST)
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'''[[CFD-Wiki:1 August 2006|1 August 2006]]''': Monthly focus area August 2006: Validation and test cases.
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'''[[CFD-Wiki:1 May 2006|1 May 2006]]''': Monthly focus area May 2006: Turbulence modeling.
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'''[[CFD-Wiki:20 November 2005|20 November 2005]]''': CFD-Wiki launched to the public.
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... [[CFD-Wiki:Old project news|[old news]]]
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'''[[CFD-Wiki:14 November 2005|14 November 2005]]''': The public launch date of the CFD-Wiki has been set to November 20, 2005. --[[User:Jola|Jola]] 10:39, 14 November 2005 (MST)
 
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''"I consider it the obligation of scientists and intellectuals to ensure that their ideas are made accessible and thus useful to society instead of being mere playthings for specialists." '' --Bjarne Stroustrup, from "Design and Evolution of C++"
''"I consider it the obligation of scientists and intellectuals to ensure that their ideas are made accessible and thus useful to society instead of being mere playthings for specialists." '' --Bjarne Stroustrup, from "Design and Evolution of C++"

Latest revision as of 21:52, 9 December 2017

Welcome to CFD-Wiki - a community project to create the ultimate, free Computational Fluid Dynamics reference. CFD-Wiki is written by thousands of volunteer authors from around the globe. Please join us and contribute something today! CFD-Wiki will never be better than the information we all fill it with. We are currently working on 570 articles. Also please help to spread the word about CFD-Wiki by using the tell a friend tool or linking to CFD-Wiki.

Introduction
Help
FAQ
Forum

Reference section

Fluid dynamics, Turbulence modeling, Numerics, Meshing, Cavitation modeling, Non-equilibrium Flow...

Special topics

Acoustics, Combustion, Parallel computing, Turbulence,Transition to turbulence,Shape Design Optimization, ...

Application areas

Aerospace, Architecture, Automotive, Turbomachinery, Water and Wastewater...

Best practice guidelines

Automotive, Turbomachinery, Heat Transfer, ...

Validation and test cases

1D Cases, 2D Cases, 3D Cases, ...

The Open Source Section

Introduction

Codes

Free codes, Commercial codes, ...

Source code archive

Educational, Code snippets, ...

History of CFD

Historical perspective, Hall of fame, Famous achievements in CFD, ...

FAQ's

General CFD, Ansys, CONVERGE, Fluent, Phoenics, Siemens, CFD-Wiki, ...

Featured article

X-43A (Hyper - X) Mach 7 width 300px.jpg

Baldwin-Lomax model

The Baldwin-Lomax model is a classical algebraic turbulence model which is suitable for high-speed flows with thin attached boundary-layers, typically present in aerospace and turbomachinery applications. The Baldwin-Lomax model is not suitable for cases with large separated regions and significant curvature/rotation effects... more


This article is a good example of a description of a turbulence model. Validation and test cases is the current focus area of CFD-Wiki. So don't hesitate, write something about your favourite test or validation case today!

About CFD-Wiki

About, Introduction, Help us, Goals

Getting started

Getting started, Donate texts, Donated texts, Stubs, Sandbox, Wish List

Help & resources

Help, FAQ, Community portal, Forum

Policies and guidelines

Policy, Style guide

Administration

Admins, New admins, Guide, Blacklist

Small print

Copyrights, License, Disclaimer

Project news

1 August 2006: Monthly focus area August 2006: Validation and test cases.

1 May 2006: Monthly focus area May 2006: Turbulence modeling.

20 November 2005: CFD-Wiki launched to the public.

... [old news]


"I consider it the obligation of scientists and intellectuals to ensure that their ideas are made accessible and thus useful to society instead of being mere playthings for specialists." --Bjarne Stroustrup, from "Design and Evolution of C++"

My wiki