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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.

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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!

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

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... [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++"

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-Welcome to the CFD Wiki here at CFD Online. This Wiki has just been started and it is not open to the public yet. It desperately needs both content and structure so please do contribute something. New editors are adviced to read the [[Help:Contents | help section]] and take a look at the [[CFD-Wiki:Community Portal | community portal]]. We have started with a few sections listed below.
+__NOTOC__
+{| cellpadding="5px" cellspacing="1px" border="0px" width="100%"
+|-
+|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].'''
+|align="left" valign="top" style="background-color:#FFFFE6; border:1px solid #D5D5BB; padding-top:0px; padding-bottom:0px;" nowrap|
+[[CFD-Wiki:Introduction|Introduction]]<br />[[Help:Contents|Help]]<br /> [[CFD-Wiki:FAQ|FAQ]]<br />[http://www.cfd-online.com/Forum/wiki.cgi Forum]''
+|}
+{| cellpadding="1px" cellspacing="0px" border="0px" width="100%"
+|-
+|align="center" colspan="2" style="padding-top:4px; padding-right:10px; padding-left:10px; padding-bottom:4px;" valign="top"|
-;[[Nomenclature]]
+|-
-: Use this page to define all variables and acronyms used throughout the entire Wiki.
+|align="left" width="70%" style="background-color:#F3FFFF; border-top:1px solid #ADB5B5; border-left:1px solid #ADB5B5; border-bottom:1px solid #ADB5B5;padding-top:5px; padding-right:10px; padding-left:10px; padding-bottom:10px;" valign="top"|
+===[[Reference section]]===
+:[[Fluid dynamics]], [[Turbulence modeling]], [[Numerical methods | Numerics]], [[Meshing]], [[Cavitation modeling]], [[Non-equilibrium Flow]]...
-;[[Textbook]]
+===[[Special topics]]===
-: The goal is to eventually provide a comprehensive coverage of fluid dynamics, governing equations, turbulence modeling, numerics, discretization schemes, solvers, ...
+: [[Aero-acoustics and noise|Acoustics]], [[Combustion]], [[Parallel computing]], [[Turbulence]],[[Transition to turbulence]],[[Shape Design Optimization]], ...
-;[[Application areas | Application Areas]]
+===[[Application areas]]===
-: Sections specifically dedicated to certain applications areas like aerospace, turbomachinery, automotive, ...
+: [[Aerospace]], [[Architecture]], [[Automotive]], [[Turbomachinery]], [[Water and Wastewater]]...
-;[[Special topics | Special Topics]]
+===[[Best practice guidelines]]===
-: Sections dedicated to special topics like heat tranfer, combustion, multi-pase flows, ...
+: [[Best practice guidelines for automotive CFD|Automotive]], [[Best practice guidelines for turbomachinery CFD |Turbomachinery]], [[Best practice guidelines for heat transfer simulations | Heat Transfer]], ...
-;[[Best practise guidelines | Best Practise Guidelines]]
+===[[Validation and test cases]]===
-: Both general guidelines and application/topic specific guidelines.
+: [[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 | Validation and Test Cases]]
+===[[What is Open Source?| The Open Source Section]]===
-: Suitable cases to test and validate CFD codes with. Should include description of the case, data to compare with and contributed solutions.
+: [[What is Open Source? |Introduction]]
-;[[Codes]]
+===[[Codes]]===
-: An overview of both free and commercial CFD software.
+: [[Codes#Free codes|Free codes]], [[Codes#Commercial codes|Commercial codes]], ...
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+===[[Source code archive]]===
-: Contribute free CFD codes and smaller "scripts" usefull for CFD people.
+: [[Source code archive - educational|Educational]], [[Source code archive - code snippets|Code snippets]], ...
-;[[FAQ's]]
+===[[History of CFD]]===
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+: [[Historical perspective]], [[Hall of fame]], [[Famous achievements in CFD]], ...
-;[[Sandbox]]
+===[[FAQ's]]===
-: Testing grounds - a place to experiment with the Wiki. Use this area for whatever you want.
+: [[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]], ...
-Note: The layout of this Wiki will be modified to better integrate it with the rest of CFD Online. For now we can use this basic layout though. All contributed content will be automatically adapted to the new layout when it is finished.
+|align="left" valign="top" style="background-color:#F3FFF3; border:1px solid #ADB5AD; padding-top:5px; padding-right:10px; padding-left:10px; padding-bottom:10px;"|
+===[[Previous featured articles|Featured article]]===
+[[Image: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...
+''[[Baldwin-Lomax model|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!''
+|}
+{| cellpadding="0px" cellspacing="0px" border="0px" width="100%"
+|-
+|align="center" colspan="3" style="padding-top:4px; padding-right:10px; padding-left:10px; padding-bottom:4px;" valign="top"|
+|-
+|align="left" width="35%" style="background-color:#FFF3F3; border-left:1px solid #B5ADAD; border-top:1px solid #B5ADAD; border-bottom:1px solid #B5ADAD;padding-top:5px; padding-right:10px; padding-left:10px; padding-bottom:10px;" valign="top"|
+===About CFD-Wiki===
+[[CFD-Wiki:About|About]],
+[[CFD-Wiki:Introduction|Introduction]],
+[[CFD-Wiki:We need your help|Help us]],
+[[CFD-Wiki:Goals|Goals]]
+===Getting started===
+[[CFD-Wiki:Contribute something today|Getting started]],
+[[CFD-Wiki:Donate texts|Donate texts]],
+[[CFD-Wiki:Donated texts|Donated texts]],
+[[CFD-Wiki:Stub|Stubs]],
+[[CFD-Wiki:Sandbox|Sandbox]],
+[[CFD-Wiki:Wish list|Wish List]]
+===Help & resources===
+[[Help:Contents|Help]],
+[[CFD-Wiki:FAQ|FAQ]],
+[[CFD-Wiki:Community Portal|Community portal]],
+[http://www.cfd-online.com/Forum/wiki.cgi Forum]
+|align="left" width="35%" style="background-color:#FFF3F3; border-top:1px solid #B5ADAD; border-bottom:1px solid #B5ADAD;padding-top:5px; padding-right:10px; padding-left:10px; padding-bottom:10px;" valign="top"|
+===Policies and guidelines===
+[[CFD-Wiki:Policy|Policy]],
+[[CFD-Wiki:Format and style guide|Style guide]]
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+[[CFD-Wiki:Administrators|Admins]],
+[[CFD-Wiki:Suggested administrators|New admins]],
+[[CFD-Wiki:Administration guide| Guide]],
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+===Small print===
+[[CFD-Wiki:Copyrights|Copyrights]],
+[[CFD-Wiki:GNU Free Documentation License|License]],
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+|align="left" valign="top" style="background-color:#F3F3FF; border:1px solid #ADADB5; padding-top:5px; padding-right:10px; padding-left:10px; padding-bottom:10px;"|
+===[[CFD-Wiki:Old project news|Project news]]===
+'''[[CFD-Wiki:1 August 2006|1 August 2006]]''': Monthly focus area August 2006: Validation and test cases.
+'''[[CFD-Wiki:1 May 2006|1 May 2006]]''': Monthly focus area May 2006: Turbulence modeling.
+'''[[CFD-Wiki:20 November 2005|20 November 2005]]''': CFD-Wiki launched to the public.
+... [[CFD-Wiki:Old project news|[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++"

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