Structure of the Knowledge Base

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  • Structure and Operation of the Knowledge Base

The knowledge base is partitioned into Gold and Silver Domains. The Gold Domain is the repository for high value content and advice which has been rigorously checked for accuracy and reliability. The Silver Domain is the repository for content which is under discussion and development, as such it is less mature. Parts of the Silver Domain are marked as Silver Star red.jpg. This is reserved for content which has matured to levels of quality and significance approaching Gold standard.

Both Gold and Silver Domains are application centred, facilitating the identification of appropriate knowledge and advice for specific industrial purposes. They are organised around:


These are sector disciplines such as built environment, external aerodynamics, turbomachinery, combustion and heat transfer.


  • Application Challenges.

These are realistic industrial test cases which can be used to judge the competency and limitations of CFD for a given Application Area;


These are generic, well studied test cases capturing important elements of the key flow physics encountered in one or more Application Challenges.


Silver Star red.jpg and Silver are fully in the public domain

Once registered anyone will be able to comment on, exchange views and opinion on the Silver content, but will not be able to directly edit or change a Silver document. To register click on "Create an account" at the top of any page. By doing this you automatically agree to the terms and conditions Terms and Conditions Page.

Users are highly encouraged to edit Silver content and indeed add new contributions. This can be done by following the procedures set out in the Library area.

The Gold Domain is restricted to ERCOFTAC members who will be issued with privileged access.


-The origin and evolution of the QNET-CFD Knowledge Base.
-The procedures used to ensure quality control of the information.
-Organisations and individuals who have created the Knowledge Base.
-How to contribute an Application Challenge or Underlying Flow Regime.
-The latest developments in the QNET-CFD Knowledge Base.