Structure of the Knowledge Base: Difference between revisions

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*'''[[QNET-CFD]]'''
'''Introduction to the Knowledge Base'''
::-The origin and evolution of the QNET-CFD Knowledge Base.


*'''[[Quality]]'''
<!--The knowledge base is partitioned into Gold and Silver Domains. The Gold Domain is the repository for content that has been carefully checked and therefore satisfies high quality standards. The Gold Domain is restricted to [http://www.ercoftac.org/ ERCOFTAC] members who will be issued with privileged access. However, the list of all Application Challenges (AC) and Underlying Flow Regimes (UFR), (both described below) with their abstracts are in the public domain.
::-The procedures used to ensure quality control of the information.
-->
 
<!--The Silver Domain is the repository for less mature content which is still under discussion and open for improvement. Parts of the Silver Domain are marked as Silver [[Image:star_red.jpg]]. This is reserved for content which has matured to levels of quality and significance approaching Gold standard, and made public to serve as examples of the high quality found in the Gold domain. In some cases it will act to invite the addition of new CFD results obtained with alternative models. Both Silver [[Image:star_red.jpg]] and Silver are fully in the public domain.
*style="foreground-colour:gold;" Gold Content
-->
::-.High quality articles restricted to ERCOFTAC members only
<!--Both Gold and Silver Domains-->
The test cases are application centred, facilitating the identification of appropriate knowledge and advice for specific industrial purposes. They are organised around:


*'''[[Silver Content]]'''
::-.Publicly accessible content, open for discussion and feedback


*'''[[Silver Plus Content]]'''
* Application Areas
::-.Free samples of Gold content available to the public for a limited period
* Underlying Flow Regimes
* Direct Numerical Simulations
* Experimental Studies
 
 
[[Application Areas|Application Areas (AC)]]
 
The application area section contains articles of specific interest to particular sector disciplines such as: Built Environment, Chemical and Process Engineering, External Aerodynamics, Turbomachinery, Combustion and Heat Transfer,
Environmental Flows and Biomedical Flows.
 
Each Application Area is comprised of Application Challenges (AC) which are realistic industrial test cases used to judge the competency and limitations of CFD for a given Application Area.
 
 
[[Underlying Flow Regimes|Underlying Flow Regimes (UFR)]]
 
These are generic, well studied test cases capturing important elements of the key flow physics encountered across the Application Areas.
 
 
[[DNS_Index|Direct Numerical Simulations (DNS)]]
 
These are test cases providing statistical data from high-fidelity calculations, primarily Direct Numerical Simulations but also near-DNS Large Eddy simulations.
 
 
[[EXP_Index|Experimental Studies (EXP)]]
 
These are well-studied test cases providing experimental data for gaining insight into the flow physics and for testing CFD methods


*'''[[Contributors]]'''
::-Organisations and individuals who have created the Knowledge Base.
   
   
*'''[[Contributing]]'''  
 
::-How to contribute an Application Challenge or Underlying Flow Regime.
'''Content of the Knowledge Base'''
 
 
*'''[[News]]'''  
 
::-The latest developments in the QNET-CFD Knowledge Base.
The content of each [[Application Areas|Application Challenge (AC)]] test case and [[Underlying Flow Regimes|Underlying Flow Regimes (UFR)]] test case article within the Knowledge Base consists of an:
 
*'''Abstract''' - Summary of content
*'''Description''' - Introduction to test case and physical phenomena involved, (for ACs also practical importance and parameters of interest, and for UFRs review of previous studies).
*'''Test Case Studies''' - Description of test case experiments and CFD simulations (and provision of data and CFD results for ACs, and also for some UFRs)
*'''Evaluation''' - Comparison of CFD calculations with test case experiments
*'''Best Practice Advice'''
<!--*'''Quality Review'''-->
 
The content of each [[DNS_Index|Direct Numerical Simulations (DNS)]] test case article also consists of an Abstract, Introduction to the physical phenomena, a brief review of previous studies and then:
 
*'''Test case description with geometry and boundary conditions'''  
*'''Computational details'''
*'''Quantification of resolution'''
*'''Results of simulation with discussion'''
 
Also the content of each [[EXP_Index|Experimental Studies (EXP)]] test case consists of an Abstract, Introduction to the physical phenomena, a brief review of previous experimental studies and then:
*'''Test-case description with geometry and flow  parameters'''
*'''Experimental set up'''
*''' Measurement quantities and techniques'''
*''' Data Quality and Accuracy of measurements'''
*''' Measurement data/results'''
 
 
The AC and EXP articles are expected to have, and should contain, links to detailed data files for all experimental and, in case of AC, also CFD results according to the guidelines set out [[Data_Formats_and_Submission#|'''here''']]. In the UFR articles it is sufficient to present the data as plots, although it is highly desirable to provide links to associated databases where these are available.
The templates for compiling AC, UFR, EXP and DNS articles can be found in the [[Article_Templates|Template Library]]. For DNS cases data should be provided for the desirable/minimum quantities listed [[Media:List_of_desirable_and_minimum_quantities_to_be_entered_into_the_KB_Wiki.pdf|here]] according to the data storage guidelines set out [[Data_storage_guidelines_for_DNS_cases|here]].
 
 
<!--
'''Please note that only Gold AC and UFR test cases include a quality review form. For more information on quality reviews please click on the following link, [[Quality_Review_Documents|Quality Review Documents]].''' 
-->
 
For a full index of all the Application Challenge, Underlying Flow Regimes, DNS and Experimental Studies test case articles within the Knowledge Base please click on the following links:
 
 
[[AC_Index#|AC Index]]
 
[[UFR_Index#|UFR Index]]
 
[[DNS_Index#|DNS Index]]
 
[[EXP_Index#|EXP Index]]

Latest revision as of 13:07, 13 March 2023

Introduction to the Knowledge Base

The test cases are application centred, facilitating the identification of appropriate knowledge and advice for specific industrial purposes. They are organised around:


  • Application Areas
  • Underlying Flow Regimes
  • Direct Numerical Simulations
  • Experimental Studies


Application Areas (AC)

The application area section contains articles of specific interest to particular sector disciplines such as: Built Environment, Chemical and Process Engineering, External Aerodynamics, Turbomachinery, Combustion and Heat Transfer, Environmental Flows and Biomedical Flows.

Each Application Area is comprised of Application Challenges (AC) which are realistic industrial test cases used to judge the competency and limitations of CFD for a given Application Area.


Underlying Flow Regimes (UFR)

These are generic, well studied test cases capturing important elements of the key flow physics encountered across the Application Areas.


Direct Numerical Simulations (DNS)

These are test cases providing statistical data from high-fidelity calculations, primarily Direct Numerical Simulations but also near-DNS Large Eddy simulations.


Experimental Studies (EXP)

These are well-studied test cases providing experimental data for gaining insight into the flow physics and for testing CFD methods


Content of the Knowledge Base


The content of each Application Challenge (AC) test case and Underlying Flow Regimes (UFR) test case article within the Knowledge Base consists of an:

  • Abstract - Summary of content
  • Description - Introduction to test case and physical phenomena involved, (for ACs also practical importance and parameters of interest, and for UFRs review of previous studies).
  • Test Case Studies - Description of test case experiments and CFD simulations (and provision of data and CFD results for ACs, and also for some UFRs)
  • Evaluation - Comparison of CFD calculations with test case experiments
  • Best Practice Advice

The content of each Direct Numerical Simulations (DNS) test case article also consists of an Abstract, Introduction to the physical phenomena, a brief review of previous studies and then:

  • Test case description with geometry and boundary conditions
  • Computational details
  • Quantification of resolution
  • Results of simulation with discussion

Also the content of each Experimental Studies (EXP) test case consists of an Abstract, Introduction to the physical phenomena, a brief review of previous experimental studies and then:

  • Test-case description with geometry and flow parameters
  • Experimental set up
  • Measurement quantities and techniques
  • Data Quality and Accuracy of measurements
  • Measurement data/results


The AC and EXP articles are expected to have, and should contain, links to detailed data files for all experimental and, in case of AC, also CFD results according to the guidelines set out here. In the UFR articles it is sufficient to present the data as plots, although it is highly desirable to provide links to associated databases where these are available. The templates for compiling AC, UFR, EXP and DNS articles can be found in the Template Library. For DNS cases data should be provided for the desirable/minimum quantities listed here according to the data storage guidelines set out here.


For a full index of all the Application Challenge, Underlying Flow Regimes, DNS and Experimental Studies test case articles within the Knowledge Base please click on the following links:


AC Index

UFR Index

DNS Index

EXP Index

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